阅读下面的短文，并根据短文后的要求答题（请注意问题后的字数要求）。
Many high schools and colleges with a football team in the United States usually have a homecoming day. This can be the most important event of the year next to graduation. Students plan homecoming day for many weeks. When the day arrives, they begin before dawn to decorate the schools. There are signs to wish luck to the team and many other signs to welcome back the graduates from other years. Many people still come to homecoming clubs build booths and sell lemonade, apples or sandwiches. Some clubs help to welcome visitors. During the day people like to look for teachers that they remember from long ago. Often they see old friends and they talk together about those happy years in school. Everyone soon comes to watch the football game. When the game is half over, the band comes onto the field and plays school songs. Another important moment is when the homecoming queen/king appears. All the students vote for another student who is popular. It is a great honor to become______________.
Homecoming is a happy day. Even if the team loses, the students still enjoy homecoming. They can spend time with their teachers, classmates or friends, and actually it brings them much fun. Some stay at the school to dance, and others go to a party. For everyone it is a day to remember for a long long time. What is the best title of the passage? (Please answer within 5 words.)
________________________________________________________________________. Of all the events, what are the two things that all the students do on this day? (Please list one of them answer within 7 words..)
_______________________________________________________________________.Please fill in the blank with proper words or phrases to complete the sentence. (Please answer within 10 words.)
________________________________________________________________________.Why do the students still enjoy homecoming even if the team loses? (Please answer within 15 words.)
________________________________________________________________________.The underlined word “it” in the second paragraph means .(no more than 3 words)
阅读下面的短文，请根据短文后的要求答题（请注意问题后的字数要求）
[1]Online advertising is simply advertising that is done on the Internet. While it has a much shorter history than traditional advertising, the effects of online advertising can not be undervalued As more people turn to the Internet as a source for daily news, socialization and communication, more advertising dollars are likely to be spent. In fact, in a period of five years, from 2006 to 2010, online advertising______ 6 percent of all money spent for advertising, to 12 percent or more.
[2]Online advertising is also quickly becoming a serious force for other types of advertising media to deal with. Newspapers and magazines all over the world are facing a number of different challenges, including loss of ad revenue (广告收益). Many attribute (把……归于) some of those struggles to online advertising, which is not only taking a share of the advertising, but a share of the audience as well.
[3]However, newspapers and magazines are not the only media dealing with lower revenue. The remarkable thing about online advertising is it gives the ads a much wider coverage and its globally wider coverage helps in making the advertisements reach more audiences. Furthermore, because of hypertext (超文本) linking, advertisers have the power to transport potential buyers directly to their site.
[4]Online advertising can be presented in many flexible styles. In some cases, it may not look like advertising at all. There was one case. A video that showed popcorn (爆玉米花) being popped by radiation which was put out from mobile phones was put on the website. While this was later revealed as a trick, the company that put the video online received a large amount of attention. The company sold earphones meant to help limit an individual’s exposure to radiation.What is the main idea of the text? (no more than 7 words)
___________________________________________________ .Fill in the blank in Paragraph 1 with proper words. (no more than 3 words)
____________________________________________________ .Complete the following statement with proper words according to Paragraph 2. (within 5 words)
Traditional types of advertising media such as newspaper and magazines are suffering ___________ because of the serious force of online advertising.List two benefits of online advertising. (no more than 20 words)
①_____________ ② ______________ . What does the underlined word “it” in Paragraph 4 refer to? (withan 3 words)
_______________________________________ .
阅读表达 （满分 10 分）
(1)The half-empty coffee cups, still standing next to their plates, tell of a morning like others. And yet, that grey covering of dust that everything wears tells a different story: it tells of screams, tears, confusion, terror and blood.
(2)Now the restaurant in the World Trade Center will never again serve breakfast. And never again will all those people go there to eat or work --- those people of America whose faces have entered our hearts. So many people whose faces we associate with life and liveliness _______ tonight. So many words remain unsaid, and so much happiness has been destroyed. In their places are tear-stained faces. My generation has seen this. On Monday, a fight with my sister and a bad grade seemed to be the biggest problems in the world. Tonight, so many people across the country know that America’s pain is at its worst ever. We have read about World War II, and we have seen the black-and-white pictures. But to most students, that’s an event on a textbook page that would never happen today.
(3) After all, this was a time of peace and wealth --- the United States was powerful and successful. There would be no more wars, and we were lucky to live in such a time. But when those planes hit; when firefighters with terror on their faces ran among the parts of the buildings that had fallen; when people screamed for their family members; when history was unfolding before our eyes, in full, clear colour ---- then we knew the world had been changed.
(4) Everything that had happened in the past seemed to take on new life through September 11, 2001. And when they say this is the worst wound in American soil, I say, I thought this place was an empire. And I say, I thought this was a time of peace. And I say, I thought we were safe.
(5) Knowing how many human beings turned to ashes in a second, and seeing some jumps from the buildings, I know that my generation is growing up in a world where mankind can still be evil. But seeing those heroes risk lives among the castle-like ruins, and seeing the eager blood donors at the hospitals, my generation has learned that tears are allowed, that mankind can also be beautiful, and that the ghost of evil will never defeat the spirit of good.Why was the passage written? (no more than 7 words)
List two things that make the writer believe the world is still beautiful. (no more than 15 words)
What does the underlined word “it” refer to? (no more than 8 words)
Fill in the blank with proper words. (no more than 3 words)
What event of the past did September 11 remind the writer of? (no more than 5 words)
阅读下面的短文，并根据短文后的要求答题。(请注意问题后的词数要求)
[1]Some expressions describe people who are important，or who at least think they are．One such expression is bigwig．
[2]In the seventeenth century，important men in Europe began to wear false hair，called wigs．As years passed，wigs began to get bigger．The size of a man’s wig depended on how important he was． The more important he was—or thought he was一 ．Today，the expression bigwig is used to make fun of a person who feels important．People never tell someone he is a bigwig．They only use the expression behind his back．
[3]Big wheel is another way to describe an important person．A big wheel may be the head of a company，a political leader，a famous movie star．They are big wheels because they are powerful．What they do affects many people．Big wheels give the orders．Other people carry them out．As in many machines，a big wheel makes the little wheels turn．Big wheel became a popular expression after World WarⅡ．It probably comes from an expression used for many years by people who fix parts of cars and trucks．They said a person roiled a big wheel if he was important and had influence．
[4]The top of something is the highest part．So it is not surprising that top is part of another expression that describes an important person．The expression is top banana．A top banana is the leading person in a comedy show．The funniest comedian is called the top banana．The next is second banana．And so on．Why a banana?A comedy act in earlier days often included a part where one of the comedians would hit the others over the head with a soft object. The object was shaped like the yellow fruit：the banana．Top banana still is used mainly in show business．Yet the expression can also be used to describe the top person in any area．What’s the best title of the text ?(no more than 7 words)
Fill in the blank in Paragraph 2 with proper words. (no more than 6 words)
How and when is “bigwig” used in a proper way nowadays?(no more than 20 words)
Complete the following sentence with proper words from Paragraph 3 . (no more than 3 words)
As a big wheel makes the little wheels turn in many machines, powerful people give orders for others to .Translate the underlined sentence in Paragraph 4 into Chinese.
Let me tell you about five of the enemies we face from within．The first enemy that you’ve got to destroy before it destroys you is indifference．What a tragic disease this is! “Ho-hum，let it slide. I’ll just drift along．” Here’s one problem with drifting：you can’t drift your way to the top of the mountain．
The second enemy we face is indecision(优柔寡断). Indecision is the thief of opportunity and enterprise．It will steal your chances for a better future．Take a sword to this enemy．
The third enemy inside is doubt．Sure，there’s room for healthy skepticism．You can’t believe everything．But you also can’t let doubt take over．Many people doubt the past, doubt the future，doubt each other，doubt the government，doubt the possibilities and doubt the opportunities． , they doubt themselves．I’m telling you，doubt will destroy your life and your chances of success．It will empty both your bank account and your heart．Doubt is all enemy．Get rid of it．
The fourth enemy within is worry．We’ve all got to worry some．Just don’t let it conquer you．Instead, let it alarm you．Worry can be useful．If you step off the curb (路边) in New York City and a taxi is coming，you’ve got to worry．But you can’t let worry loose like a mad dog that drives you into a small coffer．Here’s what you’ve got to do with your worries：drive them into a small corner. Whatever is out to get you，you’ve got to get it．Whatever is pushing on you, you’ve got to push back．
The fifth enemy is overcaution. It is the timid (胆小的) approach to life．Timidity is not a virtue；it’s all illness．If you let it go，it’ll conquer you．Timid people don’t get promoted．They don’t advance and grow and become powerful in the marketplace．You’ve got to avoid overcaution． What’s the best title for this passage? (Within 8 words)
.List three enemies inside that might prevent you from getting promoted．(Within 5 words)
.Fill in the blank in Paragraph 3 with proper words or phrases．(Within 5 words)
.Which sentence in the text is the closest in meaning to the following one?
However，you shouldn’t be forced into a small room by the worry beyond control．
.Translate the underlined sentence in Paragraph 4 into Chinese．
阅读下面的短文，并根据短文后的要求答题(请注意问题后的字数要求)。
What is the hottest topic at your school recently? In Hangzhou Yongjin Middle School, it’ s money.
The school held an activity called “making money” last weekend. About 200 Junior 1 and Junior 2 students were divided into 30 teams. They went out ___________________________. What did they choose to sell? Some sold newspapers；some chose bottled water；some sold environmentally friendly shopping bags and bamboo baskets.
Hu Qing’ s team decided to sell some useful books in front of the Children Activity Center. They thought parents would like to buy the books for their children. But unfortunately, they met urban management officers. The officers asked them to leave. “We played hide-and-seek with the offices for the whole morning,” said Hu. “Finally we had to give up.”
Wang Bing and her team sold ice cream in a square. They didn’ t meet any officers. But few people were interested in what they were selling. The team then put up a board saying “For Country Kids”. It worked. More people came to their stall（小摊）. A foreigner even gave them 100 Yuan. “He didn’ t want any change. He said he wanted to help the children,” said Wang. “We were touched.” Later that day they gave the 100 Yuan and more to the “Project Hope” office.
Meng Zhaoxiang and his team were luckier. They sold all their cakes in four hours, spending 39.5 Yuan and getting back 80 Yuan. They made 40.5 Yuan. “It was not easy to make the money,” said Meng. “Some people just looked. Others just tasted but didn’ t buy. Now I know how hard it is for our parents to make money we need to lead happy lives. ” What is the main idea of the text?(No more than ten words)
_________________________________________________________________________Fill in the blank in Paragraph 2 with proper words. (No more than ten words)
_________________________________________________________________________What does the underlined “it” in Paragraph 4 refer to?
_________________________________________________________________________What is the writer’ s attitude towards the activity?
_________________________________________________________________________What is the purpose of holding the activity? (No more than twelve words)
_________________________________________________________________________
阅读下面短文并回答问题,然后将答案写到答题卡相应的位置上(请注意问题后字数要求）。
[1] Ashley Power’s mother bought a computer for her when she was eight. When she was thirteen, she was surfing the Internet regularly, but she couldn’t find anywhere for teenagers to meet and talk. And one day she thought, “If I had my own website, I’d make it a really interesting site for teenagers.”
[2]So, when Ashley was sixteen, she launched her own website, called Goosehead. She had no idea how big a success it would be, but three years later, the site was the most successful teen site in the USA! It was getting 100,000 hits every day, and Ashley had about 30 employees.
[3] After a few years, the website closed down. Then Ashley, who lives in Los Angeles, was asked to write a book called The Goosehead Guide to Life. The book is about how to design a website and start a business. It begins with a section called “All About Ashley,” where Ashley tells readers what it is like to be the boss of a company when you are only sixteen. “ I was so happy. But it was crazy in a lot of ways. I got very stressed. I mean, I was only sixteen — I didn’t even have a car! If you were sixteen and you had your own company, you’d be stressed, too!”
[4] In an interview Ashley gave advice to teenagers who wanted to start their own business, “Just be strong and have your dreams and work hard at them. And don’t listen when ______________, because I heard ‘no’ a lot. Just keep going until you hear ‘yes’!”For what purpose did Ashley create GooseHead?(no more than 10 words)
________________________________________________________________What is the main idea of Paragraph 2（no more than 6 words）
________________________________________________________________According to paragraph 3, what did Ashley do after GooseHead closed down?
(no more than 10 words)
________________________________________________________________How did Ashley feel as a young boss of a company? (no more than 5 words)
________________________________________________________________Fill in the blank in Paragraph 4 with proper words.
________________________________________________________________
When Dan Shaw gets up from the sofa in his home, Cuddles is never far away. When he wants to go outside, he doesn’t take Cuddles out for a walk—Cuddles takes him for a walk. Cuddles is clearly no ordinary family pet. It is a two-foot-high miniature horse and serves as the guiding eyes of Shaw, who is blind.
When Shaw lost his sight, his wife suggested he apply for a guide dog. Shaw, an animal lover, said he couldn’t bear to part with a dog (which usually lives about eight to ten years) and get used to a new one, perhaps several times in his life.
Then Shaw heard of a program about the tiny guide horses. He learned that the horse possess many qualities that that make them an excellent choice for guiding people. They are clean, friendly, smart and have great memories. They can be trained to remain calm in noisy and crowded places. Best of all, they live for 25-25years, which would enable Shaw to have the same guide companion for most or all of his life.
Shaw immediately applied to be and was accepted as the first person to receive a guide horse. The instant he met Cuddles, he knew he was making the right choice. Then he began his training.
Through training, Shaw and Cuddles learned to find way on busy streets, step over curbs（便道沿儿）and find elevator buttons. Cuddles even demonstrated（显示）its ability to step in front of Shaw and block him, to prevent him from walking into a dangerous situation. The little horse also expertly led Shaw through busy shopping malls. They got along without any difficulty. Now Shaw is confident that Cuddles will change his life for the better.What’s the meaning of the underlined word “miniature” in Paragraph 1? (No more than 2 words)
Why didn’t Shaw want to choose a dog as his guide? (No more than 15 words)
What does Paragraph 3 mainly tell us? (No more than 10 words)
How does Shaw feel about his future life with the help of Cuddles? (No more than 10 words)
In your opinion, what is the ideal relationship between man and animals? (No more than 20 words)
We are all busy talking about and using the Internet but how many of us know the history of the Internet?
Many people are surprised when they find that the Internet was set up in the 1960s. At that time, computers were large and expensive. Computer networks didn’t work well. If one computer in the network broke down, the whole network stopped. So a new network system had to be set up. It should be good enough to be used by many different computers. If part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time.
At first the Internet was only used by the government, but in the early 1970s, universities, hospitals, and banks were allowed to use it, too. However, computers were still very expensive and the Internet was difficult to use. By the start of 1990s, computers became cheaper and easier to use. Scientists had also developed software that made “surfing” the Internet easier.
Today it is easy to get on-line and it is said that millions of people use the Internet every day. Sending e-mails is more and more popular among young people.
The Internet has now become one of the most important parts of people’s life.
回答下面问题，在答题卡相应题号后的横线上写下相关信息。When was the Internet set up?（不多于3个单词）
___________________________________________________________________________Why did a new network system have to be set up?（不多于6个单词）
___________________________________________________________________________What is the writer’s purpose of this passage?（不多于11个单词）
___________________________________________________________________________
Although many Chinese students say they have a good knowledge of English grammar, most would admit(承认) that their spoken English is poor. Whenever I speak to Chinese students, they always say, “My spoken English is poor.” However, their spoken English does not have to remain poor! I would suggest that there may be some reasons for their problems with spoken English.
2 First, they can’t find suitable words to express themselves because of limited vocabulary. Clearly the better answer is to expand(扩展) their vocabulary. However, you can speak with a limited vocabulary if your attitude is positive. Others will follow you as long as you use the words that you know.
Second, they are afraid of _____________________. Sometimes they make mistakes when they are speaking because they are shy and nervous. Yet students should remember that their goal should be FLUENCY AND ACCURACY. You want to make yourself understood, to talk to someone in English ,as quickly and as well as you can, even if sometimes you may use a wrong word or tense, but it doesn’t matter because the person you are speaking to will understand you and ignore your mistakes.
Third, no enough attention is paid to listening. You have one mouth but two ears! All that is heard is necessary for you to start speaking.
Fourth, most Chinese students are inactive rather than active language learners. Instead of actively finding opportunities to improve their spoken English, they passively wait for speaking opportunities(机会) to come to them and wonder why their spoken English always remains poor. If you have positive attitude, then you will see English opportunities wherever you go.What’s the main idea of the passage? ( no more than 10 words)
Fill in the blank in Para 3 with proper words. (no more than 3 words)
What does the underlined word “they”in Para 5 mean? (no more than 3 words)
Complete the following statement with proper words. (no more than 2 words)
They don’t know how to express their meaning properly because of __________.What does the writer think most Chinese students should do to improve their spoken English according to Para 5? ( no more than 10 words)
阅读下面短文，并根据文章后的要求答题（请注意问题后的词数要求）。
(1)Although many Chinese students say they have a good knowledge of English grammar, most would admit(承认) that their spoken English is poor. Whenever I speak to Chinese students, they always say, “My spoken English is poor.” However, their spoken English does not have to remain poor! I would suggest that there may be some reasons for their problems with spoken English.
First, they can’t find suitable words to express themselves because of limited vocabulary. Clearly the better answer is to expand(扩展) their vocabulary. However, you can speak with a limited vocabulary if your attitude is positive. Others will follow you as long as you use the words that you know.
(3)Second, they are afraid of _____________________. Sometimes they make mistakes when they are speaking because they are shy and nervous. Yet students should remember that their goal should be FLUENCY AND ACCURACY. You want to make yourself understood, to talk to someone in English ,as quickly and as well as you can, even if sometimes you may use a wrong word or tense, but it doesn’t matter because the person you are speaking to will understand you and ignore your mistakes.
(4)Third, no enough attention is paid to listening. You have one mouth but two ears! All that is heard is necessary for you to start speaking.
(5)Fourth, most Chinese students are inactive rather than active language learners. Instead of actively finding opportunities to improve their spoken English, they passively wait for speaking opportunities(机会) to come to them and wonder why their spoken English always remains poor. If you have positive attitude, then you will see English opportunities wherever you go.What’s the main idea of the passage？( no more than 10 words)
Fill in the blank in Para 3 with proper words. (no more than 3 words)
What does the underlined word “they” in Para 5 mean？(no more than 3 words)
Complete the following statement with proper words. (no more than 2 words)
They don’t know how to express their meaning properly because of __________.What does the writer think most Chinese students should do to improve their spoken English according to Para 5 ? ( no more than 10 words)
阅读下面的短文，并根据文章后的要求答题。（请注意问题后的词数要求）
[1] The key word is practice! Practice, practice, practice!! There is no other way. There is no magic. The way to get better at listening to English is to listen to English. That’s the not-so-good news.
[2] The good news is there are many ways to listen and many things to listen to.
[3] Listening to English songs can be fun. But be careful! Most ____________ use the language in a special way that you don’t hear every day. You don’t want to start speaking English like a poet or songwriter. If you do listen to English songs, listen to different ones. This will help you train your ears to different voices, pronunciations and rhythms.
[4] If you can, get a copy of the lyrics(歌词) so you can read them and listen to them at the same time. It is sometimes better to listen with your eyes as well as your ears—more information to help the brain.
[5] Watch English DVDs. But, this time, do not use your eyes to read the subtitles (字幕). Turn off the subtitles, because movies have so many other clues about what is happening that it is better not to use the subtitles. This forces your ears to do the work.
[6] Choose one character (人物) that interests you and pay attention to what they say and how they say it. If you can, repeat a line out loud after they have said it. Teach yourself one or more sayings, phrases or ways of talking that you will use after watching the movie.
[7] A new and growing resource of English language for listening can be found in blogs. Blogs are in MP3 format and can be loaded first onto your computer and then onto you MP3 player for very convenient take-with-you listening.
[8] You can find many English listening practices are fun, new, educational and in unending supply.What is the main idea of the passage? (within 10 words.)
___________________________________________________________________________Which sentence in the passage can be replaced by the following one?
At times, we can use not only our ears but our eyes to listen to get more information..
___________________________________________________________________________Please fill in the blank in Paragraph 3 with proper words or phrases to complete the sentence. (within 2 words.)
___________________________________________________________________________List three ways of practising your English listening.(within 15words.)
①__________________ ②__________________ ③__________________Translate the underlined sentence in Paragraph 6 into Chinese.
________________________________________________________________________
阅读下面的短文，并根据文章后的要求答题。（请注意问题后的词数要求）
[1] The first Earth Day was in 1970. People were beginning to worry about what we were doing to our environment (环境). So they set up Earth Day to tell everyone about their worries.
[2] In 2007, organizers in over 150 countries planned over 4,000 big events. But Earth Day is not just about marches (游行) and big events. In the week around Earth Day (22 April) there were many thousands of smaller, local events. These events dealt with environmental problems in the neighborhood.
[3] The World Wide Fund for Nature made a list of 5 things that each person could do to save the environment.
·Don’t leave the tap running.
·Turn off lights when you leave a room.
·Turn off your computer every night.
·Wash your clothes, and yourself, in cold or warm water, not hot water.
·Dishwashers use as little water as possible.
[4] If we all do at least 2 of these all the time, we can make a big difference.What is the purpose for people to set up Earth Day?
_____________________________________________________________________________When is Earth Day?
_____________________________________________________________________________What should people do when the water keeps running from a tap?
_____________________________________________________________________________Does the word “dishwashers” mean “machine for washing dishes”?
_____________________________________________________________________________Besides the five, what else can you do to save our environment? (One example is ok.)
_____________________________________________________________________________
阅读下面短文,根据第81至第84小题的具体要求,简要回答问题,并将答案转写到答题卡上。
Too many people want others to be friends，but they don’t give friendship back. That is why some friendships don’t last long. To have a friend，you must learn to be one. You must learn to treat your friend the way you want your friend to treat you. Learning to be a good friend means learning three rules：be honest；be generous；be understanding.
Honesty is where a good friend starts. Friends must be able to trust one another. If you do not tell the truth，people usually find out. If a friend finds out that you haven’t been honest，you may lose your friend’s trust. Good friends always count on one another to speak and act honestly.
Generosity means sharing and sharing makes a friendship grow. You do not have to give your lunch money or your clothes of course. Instead you have to learn how to share things you enjoy，like your hobbies and your interests. Naturally you will want to share your ideas and feelings. These can be very valuable to a friend. They tell your friend what is important to you. By sharing them，you help your friend know better.
Sooner or later everyone needs understanding and help with a problem. Something may go wrong at school. Talking about the problem can make it easier to solve. Turning to a friend can be the first step in solving the problem. So a friend must listen and understand. You must try to put yourself in your friend’s place so you can understand the problem better.
No two friendships are ever exactly alike. But true friendships have three things in common. If you plan to keep your friends，you must practice honesty，generosity，and understanding.Why don’t some friendships last long? (not more than 15 words) (3’)
__________________________________________________________________________What does Generosity mean? (not more than 1 words) (2’)
__________________________________________________________________________What can make the problem easier to solve.? (not more than 4 words) (2’)
__________________________________________________________________________If you plan to keep your friends，what must you practice ?
(not more than 4 words) (3’)
__________________________________________________________________________
Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others. What's more, IQ scores have risen as nations develop --- a phenomenon known as the "Flynn effect". Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University of New Mexico offers another interesting theory：intelligence may be linked to infectious-disease rates.
The brain, say author Christopher Eppig and his colleagues, is the "most costly organ in the human body". Brainpower consumes almost up to 90 percent of a newborn's energy. It's clear that if something affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a child's body -- and therefore brain ---is parasitic (由寄生虫引起的) infection. These illnesses threaten brain development __________. They can directly attack live tissue, which the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the body's cells for their own reproduction. And then there's the energy channeled (输送) to the immune system to fight the infection.
Using data on national "disease burdens" (life years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list.
If the study holds water, it could be revolutionary for our understanding of the still-confusing variation in national intelligence scores.What is the main idea of the text? (no more than 10 words)
____________________________________________________________________Complete the following statement with proper words. (no more than 4 words)
Those countries that have the_________ are always at the bottom of the IQ list.Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)
What can cause intelligence difference? (no more than 8 words)
What does the word "they" (Line 3, Paragraph 3) probably refer to? (no more
than 8 words.
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