ID：9121-12184
He checked carefully to _______ the possible errors in his design.
A. eliminate B. exceed C. enlarge D. vibrate
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ID：9121-12925（本题为引用材料试题，请根据材料回答以下问题）
The case history of the twins appears to support the conclusion that _______.
A. individual with identical brains seldom test at same level
B. an individual‘s intelligence is determined only by his environment
C. lack of opportunity blocks the growth of intelligence
D. changes of environment produce changes in the structure of the brain
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ID：9121-11818（本题为引用材料试题，请根据材料回答以下问题）
Why does the author congratulate his male readers at the beginning of the passage?
A. They are more likely to survive serious diseases today.
B. Their average life span has been considerably extended.
C. They have lived long enough to read this article.
D. They are sure to enjoy a longer and happier live.
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ID：9121-11873
Interestingly, __1__ Chaplin came from Britain, he was __2__ popular in other countries than in his own mother country. The truth is that most English people __3__ the Tramp a little __4__. It was generally thought __5__ them that he had __6__ of an eye for the ladies __7__ his clothes gave him an appearance more __8__ an Italian waiter than __9__ else. __10__ the image was not gentleman-like according to many English people.
__11__, the silent movies helped Chaplin to __12__ his true nationality from American audiences. He __13__ making a talking movie __14__ 1936 when he __15__ a nonsense language which sounded like no known nationality. He __16__ said he thought of the Tramp __17__ an educated man who had fallen __18__ hard times. The truth is, however, that he was probably popular because he __19__ as character who revolted __20__ the privileged classes.
5
A of
B by
C about
D for
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ID：9121-12997（本题为引用材料试题，请根据材料回答以下问题）
By “just the tip of the iceberg” (Line 2, Para. 8), Siegel suggests that ________.
A) half brain sleep has something to do with icy weather
B) the mystery of half brain sleep is close to being solved
C) most birds living in cold regions tend to be half sleepers
D) half brain sleep is a phenomenon that could exist among other species
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