爱华网they usually took the stick and gave it to the person. What’s more，they did this whether or not
the person offered them bananas as a reward.
In a similar experiment，36 children acted in a similar way. They helped the person reach the
stick，whether or not they were offered toys for their help.
Researchers did other experiments on chimpanzees and babies. No rewards were offered in
either experiment. And still，both the chimpanzees and children went out of their way to help.
Still，the new study is different from earlier findings. Researchers have found that chimpanzees
don’t give rewards of food to other chimpanzees，even if it costs them nothing to be generous.
78. Many scientists thought that ________for a long time.
A) another animal could do bravely
B）only people could act generously
C）children could describe things clearly
D）chimpanzees could discover things carefully
79. A new study in Germany suggests that ________.
A) people also share information for good reason
B) children know something at the age of 18 months
C）chimpanzees do good things for no real reason, too
D）humans should develop their abilities 6 million years ago
80. The underlined words “an ancestor” probably means“________”.
A）a person in the family who lived a long time ago
B）a child in the school who lived with grandparents
C）a chimpanzee on an island that lived for years
D）an animal in the zoo that lived with others
81. Warneken and his partners worked with ________.
A) young chimpanzee that live on an island
B）18-month-old children who live in Germany
C）kids who are living with adult chimpanzees
D）adult chimpanzees that live on the African mountain
82.Which of the following is NOT true according to the passage？
A）The animals hadn’t met the person before the experiments
B) No chimpanzee saw what the other chimpanzees had done
C) Chimpanzee gave the person the stick in order to get a reward
D）Thirty-six chimpanzees joined in this experiment one by one
83. In a similar experiment，thirty-six children helped the person reach the stick ________.
A) if they were offered toys for their work
B) when they were asked to give them a hand
C) after they were ordered to act in a similar way
D）whether they were given toys for their help or not
84. From the passage we know that ________.
A）children is more generous than chimpanzees in some ways
B) chimpanzees will reward good food to other chimpanzees
C）both chimpanzees and children can find their way to help others
D）both chimpanzees and children can do the difficult experiments
答案：
71-77. FTTTTFF 78-84. BCABCDC
E. Answer the questions （根据短文内容回答下列问题）：（14分）
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Every year thousands of old people are in need of our help. The Help Line provides a
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Please call us at 0241-85902 or email us. helper@linesevice.com
C. Save the Earth Club
Earth club is for any student in Green School. Earth Club's goal is to help keep the school,
neighborhood, and city cleaner by encouraging recycling, highway clean up, and river, lake and
school campus clean up. We hope to improve the environment and encourage others to do the
same. We also meet to discuss some real solutions to save the earth. Earth Club meets 2-4 times
a month. Come and join us!
D. The King Sweeper
"My great, great grandfather invented the carpet(地毯) sweeper 125 years ago. This King
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