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are hardly any scientific facts to support this. don’t know because the information is not given.
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【答案】C
9. Compared with the grown-up Americans today，the Americans of 1910 ______.
more food and had more physical activities less food but had more activities
less food and had less physical activities more weight problems
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【答案】A
10. What have some modern medical and scientific researchers reported to us?
people eat less food and are less active. people eat more food and are more active. people eat more food but are less active. people run less but eat more food.
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【答案】A
Passage 2
As far back as 700 BC, man has talked about children being cared for by wolves. Romulus and Remns, founders of ancient Rome，were said to have been brought up by wolves. It is believed that when a she-wolf loses her litter，she tries to find a human baby to take its place.
This seemingly unreasonable idea did not become believable until the nineteenth century when a French doctor actually found a boy wandering in a forest. The boy had no clothes on and was judged to be ten years old by some experts. He did not walk straight up like a human being，but with both his hands and feet touching the ground. The boy could not speak but howled like a wolf. He did not eat any cooked food but raw meat such as hare，deer，or goat meat.
He knew nothing about the relationships among human families. Finally the doctor won the boy’s trust，and the boy started to obey him. After many long years of devoted and patient instruction，the doctor managed to get the boy to dress himself in clothes and feed himself as a human being does. With great difficulty, the doctor was able to make the wolf-boy recognize and speak quite a few words.
11. According to the passage，it is believed that ______.
is a common occurrence existing in every country every century
unusual occurrence of wolf-children has existed for over twenty centuries enjoy looking after a human baby instead of her own child beings are curious about wolf children
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【答案】D
12. Except that the boy knew nothing about the relationships among human families，______ facts could show that he was a wolf-child.
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【答案】C
13. The word “litter” in the first paragraph probably refers to ______.
hare boy wolves she-wolf
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【答案】C
14. It took the doctor a long time to manage to get the wolf-child to ______.
to what it means to be a human being his wolf life
his own family and name like a human child
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【答案】A
15. Only after many long years of devoted and patient instruction did the doctor manage to ______.
the boy’s trust and make the boy obey him the boy walk straight up like a human being
the boy to dress himself in clothes and feed himself as a human being does A and C
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【答案】D
语法词汇（共5小题，每小题4分，满分20分）
16. ______, we decided to go home immediately, because we didn’t want to risk missing the last bus.
it being pretty late being pretty late was being pretty late pretty late
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【答案】B
17. ______, he would have been able to win the contest.
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