0  297081  297089  297095  297099  297105  297107  297111  297117  297119  297125  297131  297135  297137  297141  297147  297149  297155  297159  297161  297165  297167  297171  297173  297175  297176  297177  297179  297180  297181  297183  297185  297189  297191  297195  297197  297201  297207  297209  297215  297219  297221  297225  297231  297237  297239  297245  297249  297251  297257  297261  297267  297275  447090 

15. ________ you have tried it, you can’t imagine how pleasant it is.       (2006年北京)

  A. Unless    B. Because    C. Although     D. When

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14. In time of serious accidents, _______ we know some basic things first aid, we can save lives.

                                   (2006年重庆)

  A. whether    B. until      C. if        D. unless

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13. Many of them turned a deaf ear to his advice, _______ they knew it to be valuable.

                                   (2007年浙江)

  A. as if     B. now that    C. even though   D. so that

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12. My parents live in a small village. They always keep candles in the house_______ there is a power cut.

                                   (2007年重庆)

  A. if      B. unless     C. in case     D. so that

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11. He was told that it would be at least three more months, ______ he could recover and return to work.

                                  (2007年江西)

  A. when     B. before     C. since      D. that

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10. _______ I really don’t like are, I find his work impressive.         (2007年山东)

  A. As      B. Since      C. If       D. While

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9. You will be successful, in the interview_______ you have confidence.     (2007年福建)

A. before     B. once      C. until     D. though

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8. The field research will take Joan and Paul about five months; it will be a long time________ we meet them again.                             (2007年安徽)

A. after     B. before      C. since     D. when

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7. Most birds find it safe to sleep in the trees, but_______ they have eggs or young chicks, they don’t use a nest.                                (2007年湖南)

  A. why       B. how        C. unless    D. where

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6. -______ when has the country been open to international trade?

  -1978, I suppose.                          (2007年陕西)

A. Since      B. In        C. From     D. After

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