题目列表(包括答案和解析)

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28.A. unexpectedly      B. understandably  C. unreasonably         D. unsuccessfully

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27. A. average          B. excellent             C. funny                D. similar

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26. A. comment              B. reply                 C. effect                D. opportunity

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25. A. amusing               B. conscious            C. fashionable      D. talented

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24. A. Unfortunately          B. Probably             C. Hopefully             D. Generally

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23. A. choices           B. memories          C. judgments            D. requirements

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22. A. adds                   B. extends              C. keeps                D. refers

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21. A. familiar           B. wrong             C. connected             D. bored

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55. The underlined word "This" in the last paragraph means “     ”.

     A. Leah died after a single Ecstasy tablet in 1995.

     B. people have long known that repeated use of the drug damages brain cells

     C. occasional use of the drug can have long-lasting effects on one’s brain systems

     D. taking drug has the same symptoms as smoking

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54. Why are squirrel monkeys and baboons involved in the experiments?

     A. Because their brain is similar to human being’s

     B. Because these animals usually take drugs.

     C. Because these animals will soon get well after the experiment.

     D. Because there is a model in the animals’ brains.

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