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48.A.supporting      B.informing       C.concentrating    D.thinking

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47.A.wish        B.apology        C.decision        D.suggestion

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46.A.ago           B.after         C.before         D.since

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45.  A.funny          B.amazing        C.delightful       D.special

B

 It suddenly struck me that almost everyone in the restaurant was smoking. It wasn’t long    46   the whole room was filled with smoke. I asked with a (n)   47   for permission to open a window to let in fresh air.

  Nowadays air pollution is something that we hardly question any more. However, I still can’t walk down in any of the big cities without   48  that people are suffering from the air pollution. A friend of mine takes flying lessons each morning and it really leaves him  49  when he climbs above the smog layer(烟雾层)and looks down into it, thinking, “I’m breathing that!”  This kind of pollution   50   the bad management of resources.

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44.  A.it             B.them          C.one           D.all

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43.  A.lesson         B.movie          C.rest           D.laugh

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42.  A.in a while      B.for a while      C.at some time     D.for the moment

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41.  A.otherwise       B.more or less     C.besides         D.now and then

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40.A.a slight         B.a little          C.a piece         D.a kind

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39.A.everything      B.something       C.nothing        D.anything

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