Ⅰ.完形填空
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 1 . And good health may add years to a person's life.
Scientists have been looking at the link between pets and health for years. In 1990，a study was done with people aged 65 and older. It 2 that pet owners went to the doctor less than people without pets. Do pets make people 3 ？Are people able to handle their everyday lives better? Alan Beck，who is a researcher，says that 4 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 5 . Johnson teaches nurses how to care for old people. Her study shows that having pets may cause people to 6 more slowly.
The human body makes many chemicals. Some of the chemicals make people feel 7 . Others make people feel bad. In Johnson's study，levels of the “good” chemicals 8 when people were around pets while levels of the “bad” chemicals went down. The good 9 seemed to slow the aging of cells. If this is 10 ，maybe people should spend more time with their 11 . Then people might feel better and 12 longer.
You might be allergic (过敏的) to pets. Or you may not want to 13 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 14 pets can help people the way real dogs do.
Will a robotic pet 15 the real pet sitting with you on the sofa? Something tells us that it will probably become a reality.
本文介绍了养宠物对人体健康的好处。
1．A.healthy B．excited
C．mad D．hurried
答案：A
解析：考查形容词辨析。科学家发现，养宠物会使宠物的主人健康。healthy健康的。由下一句话可知答案。
2．A.warned B．showed
C．reminded D．advised
答案：B
解析：考查动词辨析。这个研究显示……。show显示。
3．A.busier B．funnier
C．happier D．angrier
答案：C
解析：考查比较级辨析。宠物让人们更快乐吗？
4．A.though B．until
C．if D．unless
答案：C
解析：考查连词辨析。如果这些问题的答案是“是的”，那么养宠物是个好主意。
5．A.find out B．put out
C．turn out D．set out
答案：A
解析：考查动词词组辨析。Rebecca Johnson做了研究来查明这个问题。find out查明。
6．A.age B．move
C．walk D．grow
答案：A
解析：考查动词辨析。她的研究显示，养宠物会使人变老得更慢些。age老化。
7．A.bored B．surprised
C．sleepy D．good
答案：D
解析：考查形容词辨析。一些化学物质使人感觉很好。由下文的“Others make people feel bad.”可知答案。
8．A.changed B．varied
C．fell D．rose
答案：D
解析：考查动词辨析。当人们与宠物在一起时，好的化学物质会增加。rise增加。由下文的“while levels of the ‘bad’ chemicals went down”可知while前后为对比关系，故选D项。
9．A.sides B．chemicals C．studies D．dogs
答案：B
解析：考查名词辨析。这些好的化学物质好像减缓了老化的过程。
10．A.important B．unusual
C．true D．impossible
答案：C
解析：考查形容词辨析。如果这是真实的，那么人们或许应该花更多时间和宠物在一起。
11．A.children B．pets
C．friends D．neighbors
答案：B
解析：考查名词辨析。参考上题解析。
12．A.live B．wander
C．stay D．travel
答案：A
解析：考查动词辨析。然后人们会感觉更好，活得更长。由第三段第一句可知答案。
13．A.head for B．search for
C．cheer for D．care for
答案：D
解析：考查动词词组辨析。或者你不想照顾宠物。care for照顾。
14．A.family B．computer
C．baby D．toy
答案：B
解析：考查名词辨析。他们想看看是否电脑宠物能像真实的狗那样来帮助人们。由上文的computer pets可知答案。
15．A.destroy B．replace
C．improve D．accompany
答案：B
解析：考查动词辨析。机器宠物能代替和你坐在沙发边的真实宠物吗？replace代替。
