2012年12月大学英语六级语法专项练习(4)

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2012年12月大学英语六级语法专项练习(4)

 56. We have done things we ought not to have done and ________ undone things we ought to have done.
A) leaving    B) will leave     C) left      D) leave(C)
57. The ratio of the work done by the machine ________ the work done on it is called the efficiency of the machine.
A) against        B) with         C) to        D) for(C)
58. ________ the flood, the ship would have reached its destination on time.
A) In case of       B) In spite of       C) Because of      D) But for(D)转自:考试网 - []
59. In your first days at the school you’ll be given a test to help the teachers to ________ you to a class at your level.
A) locate      B) assign        C) deliver       D) place(B)
60. The story that follows ________ two famous characters of the rocky Mountain gold rush days.
A) concerns    B) states       C) proclaims        D) relates(A)

答案:56. C 57. C 58. D 59. B 60. A

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