People tend to ignore the delayed effects of exposure to chemicals because _____.

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• 1( 杀虫剂)fit into the picture of environmental disease? We have seen that they now pollute soil, wat

  A. Man appears indifferent to what happens in nature.

  B. Man acts as if he does not belong to nature.

  C. Man can avoid the effects of environmental pollution.

  D. Man can escape his responsibilities for environmental protection.

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• 2 Karen:Hi,Tina! What is your opinion about the Ted′s presentation? Tina: __________ But he needs t

  A.It is perfect.

  B.I do have some opinion about it.

  C.On the whole it is good

  D.I have no idea about it.

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• 3 Jean:Why couldn′t you come to the party last night? Betty:Well,I couldn′t get away from work earl

   A.I feel sorry

  B.What a shame

  C.It doesn't matter

  D.Do come next time

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• 4We'd better eliminate junk foods from our kitchen and keep a variety of high-quality foods _____ at

   

  A. available

  B. desirable

  C. enormous

  D. numerous

  
  

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• 5 No sooner _____ home than it started to rain.

  A. have we arrived B. did we arrive C. had we arrived D. shall we arrive

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• 6 Is there a gas station around _____ I can get some petrol?

  A. what B. which C. that D. where

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• 7 I don’t think the snow will _____ our plans for a picnic.

  A. effect B. affect C. differ D. infer

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• 8 The government will consider _____ future actions against terrorist bombers.

  A. taken B. of taking C. to take D. taking

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• 9The small town has ________ many changes during last 10 years.

  A) undergone B) developed C) involved D) undertaken
  

  
  

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• 10Some researchers feel that certain people have nervous systems particularly ________ to hot, dry win
  A) subjective B) subordinate C) liable D) vulnerable
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