For a long time they walked without say...

有的学校在向学生发放练习册时， 总是将后面的答案和解释部分撕掉。这种做法是否符合学生的意愿？学生会就此进行了问卷调查。 调查结果显示，大多数（73.3%）同学反对这种做法，近五分之一（18.6%）的同学赞同这种做法， 其余同学的态度则是“随便”。不少同学发表了自己的看法（见下表）。请你根据提供的信息写一篇短文，并简述你自己的观点。

注意：1、词数：150。

    Nowadays, teachers tend to tear out the answer-and-explanation of work books part before handing out to students. 

阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子。

1.Since the Reform and Opening up,___________（发生巨大变化）.（take）

2.___________ （在黎明）that the train arrived in Montreal. (dawn) 

3.It will not be long before you realize _________ （多么有趣啊）it is to learn English.(fun)

4.The lawyer insisted that he did nothing wrong and that he _________（ 不受罚）(punish)

5.We now live in ____________ (称作) the Information Age. (call)

6.An estuary is the body of water ___________(河流汇入) the ocean. (meet)

7.Now I know that his parents as well as Tom ________ (骑马有天赋) horses. (gift).

8.We prevented terrorist attacks__________ ( 过更好的生活). (live)

9.He___________（不可能在开会）the meeting. I saw him talking with a student then. (attend) 

10.Sorry, sir. At no time _________ （允许抽烟 ）in this building. (permit)

Researchers have just offered evidence in a study that says obesity appears to spread through social ties, much like a virus. When one person gains weight, their close friends often follow, but the finding might also offer hope.

If friends help make obesity acceptable, then might also be influential in losing the fat. The researchers note that support groups are already an effective tool in dealing with other socially influenced problems, like alcoholism. 

The findings appeared in the New England Journal of Medicine, The researchers used information collected from 12,000 people. It was collected between 1971 and 2003 as part of the Framingham Heart Study.

The information was highly detailed. There was   even contact information for close friends of the people in the study.  

The researchers examined more than 40,000 social ties. They found that a person’s chances of becoming severely overweight increased by 57% if a   friend had become obese.

Nicholas Christakis of Harvard Medical School was a lead investigator in the study. He says there is a direct causal relationship between a person getting fat and being followed in weight gain by a friend. 

The study found that the sex of the friends was also an influence. In same-sex friendships, a person had a 70% increased risk of becoming obese. Men had a 44% increased risk of becoming obese after weight gain in brothers. In sisters, it was 67%. Between husbands and wives, it was a little less than 40%. 

The researchers also considered the effect of where people lived in relation to each other. James Fowler of the University of California, San Diego, was the other lead investigator. He says a friend who lives a few hundred kilometers away has as much influence as one in the same neighborhood. He says the study demonstrates the need to consider that a major part of people’s health is tied to their social connections.

Both investigators say their research shows that obesity is not just a private medical issue, but a public health problem.

1.What does the underlined sentence in Para2.mean?

A. Obesity has a negative influence on a close friend. 

B. Friends might also play a part in losing weight. 

C. One might have a positive influence on one’s friend.

D. Friends usually don’t follow each other to lose weight.

2.Who is mostly likely to gain weight?

A. A man who has a fat brother.       

B. A husband who has a fat wife. 

C. A wife who has a fat husband. 

D. A woman who a fat female friend.

3.Which of the following statements doesn’t the passage agree with?

A. You are sure to lose weight if you have a skinny friend.

B. If one gains weight, one’s friends are likely to get fat. 

C. A person’s health is closely linked with his /her social relationship. 

D. Even if the friend lives far away, the influence still remains.

4.The reason why the study involves both family members and friends is that _____.

A. researchers fail to find a more different sample

B. researchers have different ideas for family members and friends 

C. researchers can meet these people regularly

D. researchers can compare the results 

Anyone for rocket salad? The Chinese are now growing huge vegetables from seeds they sent into space.  

If you are the type who worries about the air miles travelled by fruits and vegetables, these beauties aren’t for you. It's because they have travelled a little further than most.

The seeds from which they grew were fired into space,  where they orbited the earth for two weeks. Once they returned they   were grown in hothouses, producing the monster kinds seen here.  

China, which is behind these space fruits and vegetables, says they could be the answer to the world's food crisis.  

The 21-pound tomatoes, nine-inch chillies,   15-stone pumpkins and large watermelons growing at the Guangdong Academy of Agricultural Sciences’ hothouses   can feed many more than their smaller cousins, and may have more nutrients, the scientists say.  

Researcher Lo Zhigang said, "Traditional agricultural development has taken us as far as we can go and demand for food from a growing population is endless. Space seeds offer the opportunity to grow fruits and vegetables bigger and faster. " 

He admitted he and his colleagues could not explain why time in orbit caused the seeds to change genetic structure. But they guessed exposure to the cosmic（宇宙的）radiation that attacked the spacecraft in orbit, as well as   the near zero gravity conditions, microgravity, could play a part.  

"We don't think there's any threat to human health because the genes themselves do not change; just their order changes," he said. "With genetically-modified（GM）crops you have seen environmental problems because they have added genes that can damage other organisms. But with space seeds they don't gain genes; they can only lose them. " 

He also claimed the Vitamin C content in some space vegetables was nearly three times higher than in common vegetables, while levels of zinc are also increased.  

Western scientists are doubtful. NASA researchers who have experimented with seeds in space say there is not enough benefit to show the cost is reasonable.  

1.What do the underlined words "these beauties" in Paragraph 2 probably refer to ______?

A. Beautiful views along the air routes.

B. Travelling experiences in space.

C. Seeds fired into space.  

D. Giant vegetables.  

2.We can infer from Lo’s words in Paragraph 6 that _______.   

A. our conventional agriculture has developed too slowly.

B. we are asking too much from nature 

C. space seeds may help meet our demand for food 

D. we'll grow crops in space in the future

3.Why the seeds changed their genetic structure _______.

A. remains to be proved 

B. is discovered by Lo Zhigang

C. has something to do with the conditions in hothouses 

D. is due to the radiation that attacked them directly 

4.What can be inferred from the last paragraph?

A. Western scientists’ doubt is unreasonable.

B. Western scientists don’t believe that Chinese scientists have succeeded in the experiment.

C. Western scientists have proved space seeds to be of no benefit.

D. Western scientists think the cost of space seeds outweighs the benefits

Doomed beauties such as Cleopata and Manilyn Monore were far from alone in their misery. Very attractive people tend to form partnerships that are less stable and satisfying than those enjoyed by plain Janes. 

According to the research by Dr John Blain of the University of Southern California, relationships between people whose professions largely depend on their appearance, such as models or actors, tend to end much   faster than those between lawyers, doctors and students. 

Blaine said the beautiful felt different from children.   They are treated as special, which may create both arrogance(傲慢) and insecurity.   All too often, beauty can be used as an alternative to education. Often they are pushed out of their class or town, told to go off and make their fortune in Hollywood or London and, when the majority fails, they have few talents to make a living. 

Blaine added that beautiful people score poorly on   the “big five”--- the key factors American experts consider when helping distressed couples. These are neuroticism(神经过敏)，including anger and anxiety; extroversion(性格外向) ；openness to new experiences; agreeableness; and conscientiousness, or sticking by agreements they have made. Attractive people often see no reason to try to change until their looks start to fade.

Krista Sutherlanf ,of the University of California Los Angeles, said partnerships that appeared to be perfect from the outside, such as the former “dram teams” of Nicole Kidman and Tom Cruise or Hugh Grant and Elizabeth Hurley, where backgrounds and aspirations(抱负) are often shared, did not necessarily lead to happiness.

1.What does the underline sentence “Doomed beauties such as Cleopata and Manilyn Monore were far from alone in their misery.” mean? 

A. Beautiful women always felt lonely. 

B. Beautiful women were always alone.

C. Many beautiful women didn’t end up with a happy life. 

D. Beautiful women always lived a happy life. 

2.The underlined phrase “plain Janes” in the passage refers to “________”. 

 A. ordinary-looking women        

B. women called Jane 

 C. common people                  

D. attractive women

3.We can infer in the passage that_____________.

 A. Hugh Grant and Elizabeth Hurley were a couple. 

 B. Nicole Kidman and Tom Cruise were very satisfied with their life. 

 C. when they fail in Hollywood, the beautiful have little trouble in making a living.

 D. the marriage of the beautiful often lasts long. 

4.Which of the following is the best title?

 A. Five Key Factors Affecting the Partnership. 

 B. Beauties Are Doomed to Fail in Love.

 C. Beautiful Or Common?

 D. The Beauties Are Different.