50. The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found that he had put his socks on _______.
| A．outside | B．inside out | C．side out | D．back out |
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文。文中共有10处语言错误。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下划一横线，并在其下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
I like music very much, pop songs particularly. Every evening then I am doing homework and at weekends when I at home, I always play some of my favorite songs on my tape recorder. The familiar patterns of notes attract me into the colourfully world of music. Now and then I stopped to follow the songs. Sometimes, my mother comes in, asked me to fix my attention to my homework. She does not like the pop music. Like most grown-ups, she enjoys folk songs, because the peaceful music reminds her of their beautiful life when she was young. It is a truth which people of different age understand music differently and enjoy different kinds of music.
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
It’s summertime-time once again for mosquitoes to make their appearance. And once they appear, mosquitoes are a total pain. They land on you, bite you, suck out some blood and leave behind an itchy welt（发痒的红肿）.
1 Female mosquitoes must find blood in order to reproduce, so mosquitoes come equipped with finely tuned sensors to help them locate the blood they need.
Mosquitoes’ weapons
Mosquitoes have perfected three different types of sensors. First, mosquitoes can sense several different chemicals. Mosquitoes can smell carbon dioxide and lactic acid（乳酸）up to 100 feet away. 2
Second, mosquitoes have very good eyesight. If you are wearing clothing that contrasts with the background, and if you move while wearing that clothing, mosquitoes can see you. It’s a good bet that anything moving is alive, and therefore full of blood.
Finally, mosquitoes come equipped with temperature sensors, so they can find warm-blood mammals and birds very easily.
3 The female mosquito sticks her proboscis（喙）into you. She sucks about five microliters of your blood into her abdomen.
After she has bitten you, some saliva（唾液）remains in the wound. 4 The area swells and you tich. Eventually, the selling goes away, but the itch remains until your immune cells break down the saliva proteins.
Our defense methods
Because mosquitoes are both a nuisance（讨厌的东西） and a danger, people prefer to stay away from mosquitoes. One way to do that is to use a chemical called DEET, which seems to black a mosquito’s chemical sensors. 5 In some cities there are even trucks that drive around town to spray for mosquitoes. Finally there are to traps. The most popular traps turn propane（丙烷） into carbon dioxide and warmth to attract mosquitoes. Over time, by catching large numbers of mosquitoes, these traps can cause the collapse of the mosquito population in the area.
| A．Another way to control mosquitoes is with insecticides（杀虫剂） that kill them. |
| B．How mosquitoes work is unknown to most of us. |
| C．Once a mosquito lands on you, it is time to bite. |
| D．Some bites of mosquitoes are more serious than you thought. |
E. Mammals and birds give off these gases as part of their normal breathing.
F. The proteins from the saliva create an immune response from your body.
G. But if you ignore the fact that mosquitoes are so annoying they really are amazing.
My husband and son took a New York-to-Milwaukee flight that was supposed to leave Friday at 11:29 am. The flight boarded after 4 pm and didn’t leave the gate until 4:40, and half an hour later the pilot announced it would be another hour until takeoff. At that point a Jewish family, worried about violating the Sabbath （安息日）, asked to get off. Going back to the gate cost the plane its place in line for takeoff, and the flight was eventually cancelled. Was the airline right to grant that request?
M. W, Norwalk, CONN.
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Situations like that can bring out the worst in people. But despite the increasing resentment（怨恨） of a plane full of people, the pilot tried to do the right thing. He went out of his way to satisfy one family’s urgent need. He should not have done so.
Passengers bought tickets in the belief that the airline’s primary goal was to get them to their destination as close to the schedule as possible. Once they got on the plane and the doors are locked, it’s not correct to announce that the rules have changed and that a personal (as opposed to medical) emergency —no matter how urgent — might take precedence（优先）.
That would be just as true if turning back to the gate had merely cost a few minutes rather than doomed the flight entirely, since on a plane, even a slight delay can spread outward, from the people in the cabin to those meeting them to the passengers waiting to board the plane for the next leg of its journey and so on. It would also be true if the personal emergency were not religious — if someone suddenly realized she’d made a professional mistake that might cost her millions, and she had to race back to the office to fix it.
If a religious practice does nothing to harm others, then airlines should make a reasonable effort to accommodate it. Though that family has every right to observe the Sabbath, it has no right to enlist an airplane full of captive bystanders to help them do so. By boarding a flight on a Friday afternoon, the family knowingly risked running into trouble. The risk was theirs alone to bear.M. W. wrote the letter to ask whether ______.
| A．Any religious passenger has the right to ask the pilot to take off |
| B．The airline has the right to cancel the flight without any reason |
| C．A flight should meet any passenger’s need despite others’ benefit |
| D．A plane which has left the gate should give up taking off |
What do we know from the reply letter?
| A．The pilot did the right thing in spite of the fierce resentment. |
| B．The plane should turn back if anyone aboard is seriously ill. |
| C．Anybody who has boarded has no chance to get off the plane. |
| D．Any flight shouldn’t change its schedule no matter what has happened. |
What does the underlined part in Paragraph 4 mean?
| A．Turning back to the gate usually takes a plane quite a long time. |
| B．Nobody should take precedence to require the plane to turn back to the gate. |
| C．Even if it had taken a few minutes it was not right to turn back to the gate. |
| D．It was OK if turning back to the gate hadn’t caused the flight to be cancelled. |
The author of the reply letter thinks that _________.
| A．It’s right for the plane to turn back to the gate to save a passenger’s treasure |
| B．The Jewish family should give up observing the Sabbath after boarding |
| C．The biggest problem of turning back is to bring trouble to the pilot |
| D．The Jewish family had better avoid boarding on Friday afternoon |
For generations here in the deepest South, there had been a great taboo（禁忌）: publicly crossing the color line for love. Less than 45 years ago, marriage between blacks and whites was illegal, and it has been forbidden for much of the time since.
So when a great job about an hour’s drive north of the Gulf Coast attracted him, Jeffrey Norwood, a black college basketball coach, had reservations. He was in a serious relationship with a woman who was white and Asian.
“You’re thinking about a life in South Mississippi?” his father said in a skeptical voice, recalling days when a black man could face mortal（致命的） danger just being seen with a woman of another race, regardless of intentions. "Are you sure?"
But on visits to Hattiesburg, the younger Mr. Norwood said he liked what he saw: growing diversity. So he moved, married, and, with his wife, had a baby girl, who was counted on the last census（人口普查） as black, white and Asian. Taylor Rae Norwood, three, is one of thousands of mixed-race children who have made this state home to one of the nation's most rapidly expanding multiracial populations, up 70 percent between 2000 and 2010, according to new data from the Census Bureau.
In the first comprehensive accounting of multiracial Americans since statistics were first collected about them in 2000, reporting from the 2010 census, made public in recent days, shows that the nation’s mixed-race population is growing far more quickly than many researchers had estimated, particularly in the South and parts of the Midwest. That conclusion is based on the bureau’s analysis of 42 states; the data from the remaining eight states will be released soon.
In North Carolina, the mixed-race population doubled. In Georgia, it grew by more than 80 percent, and by nearly as much in Kentucky and Tennessee. In Indiana, Iowa and South Dakota, the multiracial population increased by about 70percent.
Census officials estimated the national multiracial growth rate was about 35 percent since2000 according to the known result, when seven million people ----- 2.4 percent of the population ------ chose more than one race.If a black man married a white woman 50 years ago, the worst result was that _____.
| A．he was sentenced to death | B．he was considered to be immoral |
| C．he was criticized by the public | D．he was treated as a lawbreaker |
The underlined word “serious” in Paragraph 2 can be replaced by “____”.
| A．stable | B．bad | C．mixed | D．dangerous |
What can we infer from Paragraph 4?
| A．Jeffrey Norwood was born in Hattiesburg and grew up there. |
| B．Taylor Rae Norwood’s mother is a white-Asian. |
| C．70 percent of the people in Mississippi are multiracial. |
| D．Mississippi has the largest multiracial population in the US. |
Which of the following states had the fastest growth rate of mixed-race population?
| A．Georgia. | B．Tennessee. | C．North Carolina. | D．South Dakota. |
First Lady Michelle Obama urged students to visit China at the "100,000 Strong" China Study Abroad forum at Howard University in 2011.
President Barack Obama announced the "100,000 Strong" Initiative （倡议） during his 2009 visit to China. The program aims to increase and diversify the number of American students studying in China by making studying abroad more affordable.
During the event at Howard, Mrs. Obama spoke about the importance of studying abroad, something she never did while in college. "Studying in countries like China is about so much more than just improving your own prospects（前景） in the global market. The fact is that with every friendship you make and every bond of trust you establish you are shaping an image of America projected to the rest of the world," she said.
David Marzban from Pepperdine University recalled a time when he formed a cross-cultural bond with a complete stranger at a restaurant near Fudan University in Shanghai. He noticed a young chef signaling him to come over. "He presses the play button on his media player and starts singing 'California Dreaming' and wants me to sing along with him," Marzban said. "At this time I knew a great friendship had started during my first two weeks in China."
Nicole Baden, a senior communications major at Howard University, recalled how her time in China really helped her master the language. "You have to experience the culture while learning the language to really master it and to understand why things are how they are compared to your own culture," Baden said.
Mrs. Obama encouraged students to set aside concept that studying abroad is for rich kids only or for those attending certain schools. In addition, the first lady announced that the Chinese government is giving 10,000 "Bridge Scholarships" to cover costs for American students and teachers studying in China.
Students from several schools attended the forum. 12-year-old Sarah Davis, who studied in China last summer, said she was very excited to hear Michelle Obama talk about the country. “I love Chinese. Out of all the languages I’ve learned, Chinese is the most difficult and interesting,” she said.The examples mentioned in the passage mainly indicate that _____.
| A．the US students’ life in China is helpful and worthwhile |
| B．all students of the US are living a comfortable life in China |
| C．Chinese young people are friendly to foreigners |
| D．it isn’t realistic for some US young people to study in China |
What can we infer from the passage?
| A．Baden came to China to study the differences between English and Chinese. |
| B．Poor children from America have no opportunity to study in China. |
| C．David Marzban made a Chinese friend in an unexpected way in China. |
| D．Michelle Obama called on US students to study in China at a government meeting. |
What is the best title for the passage?
| A．The US has an ambitious program for Americans studying in China. |
| B．Michelle Obama encourages American students to study in China. |
| C．More American students plan to study in China. |
| D．China is attracting more and more international students. |
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