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）
7 U* }( A, ?# A0 i) C　　57. The ratio of the work done by the machine ________ the work done on it is called the efficiency of the machine.
) I# H3 j/ Z, j4 a, K　　A) against        B) with         C) to        D) for（C）
　　58. ________ the flood, the ship would have reached its destination on time.
" [% Z2 r4 @) ?3 I　　A) In case of       B) In spite of       C) Because of      D) But for（D）转自:考试网 - [Examw.Com]
　　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）
% D+ ]( w7 t! ~9 y　　60. The story that follows ________ two famous characters of the rocky Mountain gold rush days.
' E! f/ H  ~8 Y/ t　　A) concerns    B) states       C) proclaims        D) relates（A）
答案：56. C 57. C 58. D 59. B 60. A