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Most people agree that a pet adds joy to...

Most people agree that a pet adds joy to a person’s life. Scientists are now finding that having a pet may keep its owner_________ . And good health may add years to a person’s life.

Scientists have been ________the tie(关系) between pets and health for years. In 1990, a study was done with people aged 65 and older. It _________that pet owners went to the doctor less than people ________pets. Do pets make people _________? Are people able to handle their everyday lives better? Alan Beck, who is a researcher, says that _________the answer to the questions is yes, then having pets may be a good idea.

Can pets also help people live longer? Rebecca Johnson did a study to _________. Johnson teaches nurses how to care for ________people. Her study shows that having pets may cause people to _________more slowly.

The human body makes many chemicals. Some of the chemicals make people feel _________. Others make people feel bad. In Johnson’s _________, levels of the “good” chemicals ________when people were around pets while levels of the “bad” chemicals went down. The good ________seemed to slow the aging of cells. If this is ________, maybe people should spend more time with their ________. Then people might feel better and _________longer.

You might be allergic(过敏的) to pets. Or you may not want to ________a pet. Never fear. A robotic, or computer pet may be just the thing for you.          Scientists are testing computer pets, like the robotic dog AIBO. They want to see if _______pets can help people the way _________dogs do.

Will a robotic pet ________the real pet sitting with you on the sofa? Something tells us that it will probably become a reality.

1.A. excited    B. mad    C. hurried    D. healthy

2.A. carrying out    B. making up    C. looking at    D. breaking down

3.A. showed    B. warned    C. reminded    D. advised

4.A. through    B. beyond    C. against    D. without

5.A. busier    B. happier    C. funnier    D. angrier

6.A. though    B. if    C. until    D. unless

7.A. find out    B. put out    C. look out    D. set out

8.A. sick    B. friendly    C. lovely    D. old

9.A. move    B. grow    C. age    D. walk

10.A. bored    B. good    C. sleepy    D. surprised

11.A. study    B. work    C. story    D. case

12.A. changed    B. varied    C. fell    D. rose

13.A. sides    B. chemicals    C. studies    D. dogs

14.A. unusual    B. important    C. true    D. impossible

15.A. neighbors    B. friends    C. pets    D. children

16.A. live    B. wander    C. stay    D. travel

17.A. head for    B. search for    C. cheer for    D. care for

18.A. baby    B. computer    C. family    D. toy

19.A. brave    B. faithful    C. real    D. quiet

20.A. destroy    B. accompany    C. improve    D. replace

 

1. D 2. C 3. A 4. D 5. B 6. B 7. A 8. D 9. C 10. B 11. A 12. D 13. B 14. C 15. C 16. A 17. D 18. B 19. C 20. D 【解析】 本文向我们介绍了养宠物的好处,可以使我们更健康,寿命更长;那么对于那些对宠物过敏或不想照顾宠物的人来说怎么办呢?机器狗有朝一日会取代真的宠物的。 1.考查形容词。A. excited兴奋的; B. mad疯狂的 ;C. hurried匆忙的;D. healthy健康的。根据后面的句子健康的身体能够增加人的寿命,可知该空健康的,故选D。 2.考查动词词组A. carrying out 执行;B. making up 组成,虚构,化妆 ;C. looking at 看 ;D. breaking down机器出故障,崩溃,化解。根据句意应是几年以来科学家一直在关注宠物和健康之间的联系,故选C。 3.考查动词。A. showed表明,展示;B. warned 警告;C. reminded提醒,使想起; D. 建议advised。根据前句的study研究,应该表达的是研究表明了某事,故选A。 4.考查介词。A. through通过,穿过; B. beyond超过;C. against 反对;D. without没有。根据后面的less than可知是比较级,也就是说有两种情况进行比较,根据语境容易知道答案是without,故选D。 5.考查形容词。A. busier更忙;B. happier更快乐的; C. funnier更可笑的;D. angrier更生气的。根据后句内容人们能够把日常的生活处理得更好吗?可知此处应填更快乐,故选B。 6.考查连词。 A. though虽然,尽管;B. if如果; C. until直到;D. unless除非。通过后一句回答的内容养宠物也许是一个好主意,可知前面应该是一种假设情况,故选B。 7.考查动词词组。A. find out弄清,查明;B. put out熄灭;C. look out 当心; D. set out出发,动身。根据句意Rebecca Johnson教授做研究是为了弄清楚该问题,故选A。 8.考查形容词。A. sick 虚弱的;B. friendly友好的;C. lovely可爱的;D. old 旧的,老的。通过后一句内容研究发现养宠物的人年龄增长比较缓慢,可推断出是 Johnson教授教那些护士如何照顾老人,故选D。 9.考查名词。A. move 移动;B. grow生长;C. age 年龄 ;D. walk步子。根据句意:研究发现养宠物的人年龄增长缓慢,故选C。 10.考查形容词A. bored烦恼的 B. good好的;C. sleepy昏昏欲睡的; D. surprised 吃惊的。通过后一句 Others make people feel bad. 可知前面的空应填good,故选B。 11.考查名词。A. study学习,研究; B. work工作 ;C. story故事;D. case事件。文章多次出现这是Johnson教授做的研究,即study,故选A。 12.考查动词。A. changed改变;B. varied 变化,不同 ;C. fell 落下; D. rose上升。该句中的while表对比,根据后半句的意思坏的化学物质量在下降,故可推断出好的化学物质的量在上升,故选D。 13.考查名词。 A. sides 边; B. chemicals 化学物质 ;C. studies研究,学习;D. dogs狗。 根据后面内容“可以使细胞衰老变慢” ,可知是上文提到的good chemicals;故选B。 14.考查形容词。A. unusual不寻常的;B. important重要的;C. true 真实的 ;D. impossible不可能的。根据句意:如果上述研究结果是真的,人们就多花时间跟宠物在一起,故选C。 15.考查名词。A. neighbors邻居;B. friends 朋友; C. pets 宠物;D. children孩子。本文主要讲的是养宠物的好处,故选C。 16.考查动词。A. live 生活,活; B. wander 徘徊; C. stay 呆在,停留  ;D. travel旅行。根据句意:人们会感觉更好活得更长,故选A。 17.考查动词词组。A. head for前往;B. search for 寻找;C. cheer for 为…欢呼; D. care for照顾,照看。根据句意:或者你不想照顾宠物…,故选D。 18.考查名词。A. computer电脑; B. baby婴儿;C. family家庭 ;D. toy玩具。根据前文可知科学家正在检测电子宠物是否有真的宠物的作用,故选B。 19.考查形容词。A. brave 勇敢的 ;B. faithful 忠诚的 ;C. real真的,真实的;D. quiet 安静的。根据后句Will a robotic pet ____20____the real pet sitting with you on the sofa?提示可知,科学家正在检测电子宠物是否有真的宠物的作用。故选C。 20.考查动词。A. destroy 破坏,毁坏 ;B. accompany陪伴; C. improve 提高,改善;D. replace 取代。根据句意:一只机器狗将会代替一只真的狗与你一起坐在沙发上吗?故选D。
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A healthy amount of sunshine may be the secret to staying young. British scientists have discovered.

Vitamin D is produced naturally by the skin in response to(的反应) sunlight and may help to slow the ageing process and protect against heart disease, according to the study.

Researchers from King’s College London studied 2,160 women aged between 18 and 79, looking at their telomeres--- a biological marker of ageing found in DNA. As people get older, their telomeres get shorter and they become more susceptible(易受伤害的) to certain illnesses.

But the study found women with high levels of vitamin D had comparatively longer telomeres--- a sign of being biologically younger and healthier.

The study suggests vitamin D may help to slow down the ageing process of DNA, and therefore the ageing process as a whole.

Lead researcher Dr Brent Richards said, “These results are exciting because they show for the first time that people who have higher levels of vitamin D may age more slowly than people with lower levels of vitamin D.” This could help to explain how vitamin D has a protective effect on many ageing related diseases, such as heart disease and cancer.”

Professor Tim Spector, a co-author of the report, added, “ Although it might sound absurd(荒唐的), it’s possible that the same sunshine which may increase our risk of skin cancer may also have a healthy effect on the general ageing process.

Vitamin D made by the action of sunlight on the skin accounts for 90 percent of the body’s supply, but lower levels can also be got through food such as fish, eggs and breakfast cereals().

Other studies have suggested the vitamin plays a key role in protecting against cancer and heart disease.

1.A certain amount of sunshine helps people stay young because _________.

A. vitamin D may help to slow the ageing process

B. sunshine protects people against heart disease

C. vitamin D makes one’s skin look young and healthy

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2.From Brent Richards, we know that ________.

A. sunlight causes skin cancer to people with high level of vitamin D

B. the higher levels of vitamin D people have, the more slowly people may age

3.What can we infer from the passage?

A. Telomeres are important as they are signs of ageing of the DNA.

B. Sunlight can be dangerous as it causes skin cancer.

C. Sunlight does more good than harm to our health.

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