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31.An increasing number of people enjoy sun-bathing, but experts warn that too much ________of the body to strong sunlight is harmful.

     A.access         B.exposure       C.resistance       D.touch

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30.----Thank you for the trouble you ______ to fix my computer.

    ----__________!

     A.took; Don’t mention it              B.caused; You’re welcome

     C.made; With pleasure               D.spared; It doesn’t matter

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29.Guess what? I ran into a good friend of mine from _______ I was at kindergarten just now!

  A.how        B.whom         C.when         D.which

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28.________ you kept your mobile phone on in such an important exam? It’s against the school regulation.

    A.How dare       B.How come      C.How about      D.What if

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27.He is a man of few words, but he ______ be talkative sometimes.

     A.shall           B.must          C.can           D.would

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26.“I’d like to express my thanks to those ____ help my husband would have been killed in the accident” said the woman on TV.

  A.who                                        B.with their

C.with whose                   D.without whose

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25.There are many factors that _________ the popularity of the 3G cell phone.Higher speed of surfing the Internet is one.

    A.answer for                     B.provide for                      C.account for       D.apply for

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24.Though H1N1 is sweeping throughout the world, people are still looking forward ___ off the Carnival Parade.

  A.to calling                        B.not to calling 

C.not to call                        D.to not calling

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23.About 15 million visitors _______ to come to the 2010 Harbin Ice& Snow Festival where exhibitions of ice and snow sculptures are a highlight.

   A.are expected   B.will be expected    C.expect       D.will expect

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22.How long do you think _________ China launches another manned spaceship?

   A.will it be until                     B.it will be before

   C.will it be when                     D.it will be that

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