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    题目列表(包括答案和解析)

    The flu is believed________ by viruses that like to reproduce in the cells inside the human nose and throat．


    1. A.
      causing
    2. B.
      being caused
    3. C.
      to be caused
    4. D.
      to have caused
    闂備胶绮崝妤呭箠閹捐鍚规い鏂垮綖濞岊亪鏌￠崶鈺佷户缁炬儳顭烽幃妤呮偡閻楀牊鎷遍梺鍝勬４缁查箖鏁嶉幇顑╃喖宕楅懖鈺冨炊

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    ________the old man got on the bus．


    1. A.
      Supporting the young man
    2. B.
      Supported by the young man
    3. C.
      Being supported by the young man
    4. D.
      To support the young man
    闂備胶绮崝妤呭箠閹捐鍚规い鏂垮綖濞岊亪鏌￠崶鈺佷户缁炬儳顭烽幃妤呮偡閻楀牊鎷遍梺鍝勬４缁查箖鏁嶉幇顑╃喖宕楅懖鈺冨炊

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    ______the extremely hot weather, we continued having classes．


    1. A.
      Thanks to
    2. B.
      In addition to
    3. C.
      In defence of
    4. D.
      Regardless of
    闂備胶绮崝妤呭箠閹捐鍚规い鏂垮綖濞岊亪鏌￠崶鈺佷户缁炬儳顭烽幃妤呮偡閻楀牊鎷遍梺鍝勬４缁查箖鏁嶉幇顑╃喖宕楅懖鈺冨炊

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    ________ such heavy pollution already, it may now be too late to clean up the river．


    1. A.
      Having suffered
    2. B.
      Suffering
    3. C.
      To suffer
    4. D.
      Suffered
    闂備胶绮崝妤呭箠閹捐鍚规い鏂垮綖濞岊亪鏌￠崶鈺佷户缁炬儳顭烽幃妤呮偡閻楀牊鎷遍梺鍝勬４缁查箖鏁嶉幇顑╃喖宕楅懖鈺冨炊

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    Father went to his doctor for ________ about his heart trouble．


    1. A.
      an advice
    2. B.
      advice
    3. C.
      advices
    4. D.
      the advices
    闂備胶绮崝妤呭箠閹捐鍚规い鏂垮綖濞岊亪鏌￠崶鈺佷户缁炬儳顭烽幃妤呮偡閻楀牊鎷遍梺鍝勬４缁查箖鏁嶉幇顑╃喖宕楅懖鈺冨炊

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    同步练习册答案
    闂備胶枪妤犲繘骞忛敓锟� 闂傚倸鍊搁崑濠囧箯閿燂拷