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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 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   57  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. healthy      B. excited     C. mad        D. hurried

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

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

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

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

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

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

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

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

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

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. important   B. unusual   C. true        D. impossible

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

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

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

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

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

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

高一英语完形填空中等难度题

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