For more than six million American children, coming home after school means coming home to an empty house. Some deal with the situation by watching TV. Some may hide. But all of them have something in common. They spend part of each day alone. They are called latchkey (门锁钥匙）children. They're children who look after themselves while their parents work. And their bad condition has become a subject of concern.
Lynette Long was once the headmaster of an elementary school. She said，“We had a school rule against wearing jewelry. A lot of kids had chains around their necks with keys attached. I was constantly telling them to put them inside shirts. There were so many keys. It never came to my mind what they meant. ” Slowly, she learned they were house keys.
She and her husband began talking to the children who had them. They learned of the effect working couples and single parents were having on their children. Fear is the biggest problem faced by children at home alone. One in each three latchkey children the Longs talked to reported being scared. Many had nightmares and were worried about their own safety.
The most common way latchkey children deal with their fears is by hiding. It might be in a shower stall, under a bed in a closet. The second is TV. They'll often play it at high volume. It's hard to get statistics (统计数字）on latchkey children, the Longs learned. Most parents are slow to admit they leave their children alone. The main idea about "latchkey children” is that they_________
| A．are growing in numbers |
| B．are also found in middle-class neighborhoods |
| C．watch too much television during the day |
| D．suffer problems from being left alone |
Which sentence in the second paragraph is the topic sentence?
| A．We had a school rule against wearing jewelry. |
| B．A lot of kids had chains around their necks with keys attached. |
| C．Iwas constantly telling them to put them inside shirts. |
| D．Slowly, she learned they were house keys. |
Themain feeling these children have when they areat home by themselves is_________.
| A．tiredness |
| B．freedom |
| C．loneliness |
| D．fear |
We may draw a conclusion that_________.
| A．latchkey children enjoy having such a large amount of time alone |
| B．latchkey children try to hide their feeling |
| C．latchkey children often watch TV with their parents |
| D．it's difficult to find out how many latchkey children there are |
D
Live Earth Announces 2010 Global Event!
This is the web version of the October 15, 2009 Live Earth email to members. Click here to join and receive bi-weekly updates from Live Earth.
Live Earth is pleased to announce the largest worldwide water initiative(倡议)in history to help fight the global water crisis. The Dow Live Earth Run for Water—to take place on April 18, 2010—will consist of a series of 6 km run/walks (the average distance many women and children walk every day to get water) taking place over the course of 24 hours in countries around the world, featuring concerts and water education activities, raising awareness and funds to help solve the water crisis. Jessica Biel, Alexandra Cousteau, Pete Wentz, Angelique Kidjo and Jenny Fletcher will lend their names and their time in support of this global event.
Water shortage is a major issue affecting countries, communities and families all over the world. One in eight people doesn’t have access to safe, clean drinking water. Communities in Africa, Latin America and Asia suffer 1.8 million deaths every year from diarrheal(腹泻）diseases and the death of 5,000 children each day due to inadequate water infrastructure(基础设施). In these areas, women and children are forced to walk 6 km (3.7 miles) each day to get water that is likely unsuitable for drinking. However, the water crisis is not only limited to developing nations. Adding to these existing issues, the effects of climate change are increasingly impacting both supply and quality of available fresh water throughout the world.
In 60% of European cities with populations greater than 100,000, groundwater is being used faster than it can be replenished(补充). By 2025, two-thirds of the world’s population could be living under water-stressed conditions.
You can help solve the water crisis by participating in the April 18th event. Run/walk registration is now officially open! Sign up now at http://liveearth.org/run. 
Thanks and be sure to visit liveearth.org for the latest on The Dow Live Earth Run for Water, conservation tips, and more!
Follow Live Earth on:
52. Which of the following activities will the Dow Live Earth organize on April 18, 2010?
A. Receiving the latest news from Live Earth.
B. Putting on musical performances.
C. Calling on pop stars to walk 6 km to get water.
D. Lending names and time to support the event.
53. According to the passage, which of the statements is true?
A. You can turn to http://liveearth.org for water protection tips.
B. Jessica Biel can’t take part in the event even if she signs up.
C. The information on Live Earth is updated every month.
D. Every year 1.8 million people in the world die from the disease related to dirty water.
54. We can learn from the passage that __________.
A. by 2010, two-thirds of the world’s population will be short of water
B. we can solve the water crisis by taking part in the April 18th event
C. seven-eighths of the people in Asia can have access to safe, clean drinking water
D. there are different channels for people to get access to Live Earth
C
Celebrations spread across China when Shanghai, the Oriental Pearl, was given the right to host the 2010 World Expo on December 3. Shanghai won the honor after beating rivals from Russia, Mexico, Poland and South Korea.
“I’m very proud of being Chinese,” said Wang Kaibo, a Senior 2 student of the Middle School Affiliated (附属的) to Beijing Medical University. “The winning of the expo is a victory, not only for Shanghai residents, but for the people of the whole Chinese nation.”
Bidding for the expo shows that China is more confident of playing a more important role on the international stage. It’s competing for large events and the next one could be the World Cup, Wang said.
The World Expo 2010 and the 2008 Beijing Olympics will become the twin shining stars of China’s development over the next 10 years, said experts. The World Expo is known as “Olympics of the economic, cultural, scientific and technological fields.” It is usually held every five years and lasts for six months. The Olympics, World Cup and World Expo are considered three top international events in the world.
China is the first developing country to win the expo bid in the event’s about 159-year history. Not only will it attract more foreign investment to China, but experts say that the half-year-long exhibition will bring at least 70 million visitors to Shanghai.
The expo was first held in London in 1851. It has a history of global influence. The Eiffel Tower, built during the Paris World Expo in 1889, became the symbol of the French capital.Many historic inventions, such as the telephone and airplane, all made their first appearance at a World Expo.
48. What does the word in bald “rivals” probably mean in the second paragraph?
A. competitors. B. enemies. C. players. D. supporters.
49. The winning of bidding for the World Expo 2010 and the 2008 Olympic Games implies ______.
A. China is beginning to play a more important part on the international stage.
B. China has played the most important role in the international affairs.
C. China has become a developed country for many years.
D. China is the first Asian country to win the expo bid in history.
50. As we know, in general, the Word Expo is usually held every ______ years, while the Olympics is usually held every ______ years.
A. 4；5 B. 5；4 C. 4；4 D. 5；5
51. By bidding for the expo and the Olympics, we are sure that ______.
A. China will beat rivals from Russia, Mexico, Poland and South Korea
B. China will become a super country in the United Nations
C. China will build a famous tower like Eiffel Tower as the symbol of the capital
D. China will develop more quickly than before and will benefit a lot from them
B
I’m a pig, and my son is a rabbit. I have snakes for daughters, and my wife, believe it or not, is a dragon! Do I live in a zoo? No, of course not! I am talking about Chinese zodiac signs. Depending on the year of your birth, each person has an animal for a sign. That’s why I am a pig and my wife is a dragon. If you, like me, were born in the year of the pig, then you are brave, thoughtful and loyal. The year of the pig is filled with good fortune.
Now let’s take a closer look at this interesting animal.
Pigs were first raised by man about 9,000 years ago, and are still a very common farm animal in many parts of the world. We don’t just use pigs for their meat — almost every part of the animal is used. The hair is used for artists’ brushes. The fat is used to make floor wax, rubber and plastics.
Pigs have also been important in the world of entertainment. In 1995 the film ‘Babe’ starred a loveable talking pig as its main character. The film won an Oscar and was nominated for 6 more. In England you can even go to watch pig racing. A farmer, Rob Shepherd, has been raising money for charity by holding pig races on his farm. The events have been very successful. People don’t just want to eat pigs, it seems!
Pigs also play an important role in the English language. For example, if someone says that he will travel to the sun one day, you can say “pigs might fly!” to him. Hungry? Well then, you can “pig out” and eat lots of food. And what if someone rescues you? Well, you can say that they “saved your bacon”.
44. The writer wrote the first paragraph in a ______ tone.
A. sad B. confused C. serious D. humorous
45. We may know from the passage that ______.
A. people in England like pigs more than other animals
B. pigs are more useful than ordinary people imagine
C. pigs are the first animals raised by man
D. more people don’t want to eat pigs now
46. The underlined sentence “pigs might fly!” in the fifth paragraph means “______”.
A. What you have just said is impossible
B. Pigs are great animals
C. I don’t understand your words
D. I can’t agree with you more
47. Which diagram shows the structure of the passage?
A B C D
第二部分：阅读理解 (共两节，19小题，每题2分, 满分38分)
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题纸上将该选项标号涂黑。
A
A major earthquake rocked Haiti at 4:53 pm local time on Jan.12, 2010, killing possibly thousands of people but no official figure has been released so far.
The quake, which struck about 15km (10 miles) south-west of the capital, Port-au-Prince, was quickly followed by two strong aftershocks. In the space of a minute, numerous buildings fell down. A five-story U.N. building was also brought down by the 7.3 magnitude quake, the most powerful to hit Haiti in more than 200 years according to the U.S. Geological Survey.
As night fell, the whole city is in total darkness. You can see thousands of people sitting in the streets with nowhere to go. There are people running, crying, screaming. Describing the earthquake as a "catastrophe", Haiti’s president said the cost of the damage could run into billions.
Haiti became the first independent Caribbean state in the early 19th century. Haiti's location, history and attracting climate once made it a tourist hot place. However, decades of poverty, environmental pollution and violence have left it as the poorest nation in the Americans. It has suffered a lot, including four hurricanes and storms in 2008 that killed hundreds.
41. The great earthquake happened to the _______ of the capital city.
A. south-west B. north-west C. south-east D. north-east
42. What can we infer from the underlined sentence?
A. People in Port-au-Prince don’t like to light on.
B. The earthquake happened in the evening.
C. Electricity in the city was cut off that night.
D. There are no lights at all in Port-au-Prince.
43. Which statement about Haiti is NOT true?
A. Haiti became an independent state in the early 19th century.
B. Haiti belongs to Americas, just like Canada, America and so on.
C. At one time, tourism was important to the economy of Haiti.
D. Haiti is a country where such strong quakes often take place.
D
At age 61, identical twins Jeanne and Susan no longer look exactly alike. Susan smoked for many years and is an admitted sun worshipper, whose habits Jeanne does not share. A new study of twins suggests you can blame those coarse(粗糙的)wrinkles, brown or pink spots on too much time in the sun, smoking, and being overweight.
Because twins share genes, but may have different exposures to environmental factors studying twins allows an “opportunity to control for genetic susceptibility(易受影响性),” Dr. Elma D. Baron, at Case Western Reserve School of Medicine in Cleveland, Ohio, and his colleagues explain in the latest issue of Archives of Dermatology.
Their analysis of environmental skin-damaging factors in 65 pairs of twins hints that skin aging is related more to environment and lifestyle than genetic factors.
But when it comes to skin cancer, the researchers say their findings support previous reports that both environment and genes affect skin cancer risk.
Baron’s team examined facial skin of 130 twins, 18 to 77 years old, who lived mostly in the northem Midwest and Eastern regions of the US, who were attending the Twins Days Festival in Ohio in August 2002. At this time, each of the twins also separately reported how their skin burned or tanned(晒黑)without sunscreen, their weight, and their history of skin cancer, smoking, and alcohol drinking. The study group consisted of 52 fraternal(异卵双生)and 10 identical twin pairs, plus 3 pairs who were unsure of their twin status.
From these data, the researchers noted strong ties, outside of twin status, between smoking, older age, and being overweight, and having facial skin with evidence of environmental damage. By contrast, sunscreen use and drinking alcohol appeared related to less skin damage.
Baron and his colleagues say the current findings, which highlight ties between facial aging and potentially avoidable environmental factors—such as smoking, being overweight, and unprotected overexposure to the sun’s damaging rays—may help motivate people to minimize these risky behaviors.
67．Which of the following is true according to the passage?
A．Jeanne and Susan share all the habits including smoking.
B．Skin aging is related more to environment and lifestyle than genetic factors.
C．Only identical twins can take part in the research.
D．Sunscreen use cannot help people have less skin damage.
68．Why did Baron’s team do the research on twins?
A．Twins are more likely to suffer from skin cancer.
B．It may guarantee the research is not influenced by genetic factors.
C．It gives others an opportunity to control twins’ genes.
D．It helps find twins are exposed to different environments.
69．What can you infer from the last paragraph?
A．This research makes people aware of dangerous lifestyles.
B．The environmental factors are unavoidable.
C．Being exposed to the sun is absolutely damaging.
D．There is little relationship between skin aging and environment.
70．The passage is mainly concerned with___________
A．skin cancer and environment
B．identical twins research
C．aging skin and environmental factors
D．genes and lifestyles
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