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一、完形填空
What kind of monkey lives longer, the thin or the fat?
Scientists found that monkeys 1 ______ less may live longer and are not easy to get 2 ______.
Richard Weindruch of the University of Wisconsin in Madison and his team studied about it. They 3 ______ seventy-six monkeys over twenty 4 ______. They let half of the monkeys eat as 5 ______ as they wanted and made the other half eat less food. And they gave them vitamins and minerals (礦物質(zhì)) to have 6 ______ nutrient (營養(yǎng)). Twenty years later they found that 37% of the monkeys who ate as much as they wanted 7 ______, while only 13% of the monkeys that ate less died.
When monkeys live with people and don't live in the wild, they can 8 ______ about twenty-seven years. Weindruch says scientists do not know why fewer calories (卡路里) can make 9 ______ longer. But they believe it is helpful to their body. 10 ______ of the monkeys that ate less had heart disease. The thin monkeys can remember things easily. They also look younger and healthier than the fatter ones who ate too much.
( ) 1. A. moving
B. eating
C. sleeping
D. drinking
( ) 2. A. sad
B. tall
C. sick
D. strong
( ) 3. A. studied
B. asked
C. checked
D. looked
( ) 4. A. hours
B. days
C. months
D. years
( ) 5. A. quickly
B. much
C. good
D. little
( ) 6. A. a lot
B. small
C. good
D. enough
( ) 7. A. died
B. went
C. left
D. won
( ) 8. A. run
B. climb
C. hide
D. live
( ) 9. A. hair
B. life
C. legs
D. tails
( ) 10. A. Fewer
B. More
C. Less
D. Further

Do you think only humans are crazy about electronic products? You are wrong. 12 zoos in the United States and Canada have carried out (實施) a programme 1. (call) Apps for Apes (大猩猩). It has found that the apes are also 2. (interest) in iPads. "We find that, similar to people, the apes like touching the screen and playing games and watching short videos," said Richard Zimmerman, a manager of the programme. The apes in these zoos can play iPads 3. (two) a week. Every time, they spend 4. 15 minutes to half an hour using different apps in iPads. They are most interested in apps for children, such as 5. (draw), music and memory games.