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)
5 H( |( H/ Y0 |$ Q2 U　56. We have done things we ought not to have done and ________ undone things we ought to have done.
5 q# ~: B6 a2 W  g: l　　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.
; X% a, s' v2 v( i) P. b& p' X, q% ?　　A) against        B) with         C) to        D) for（C）
　　58. ________ the flood, the ship would have reached its destination on time.
/ p" y7 g0 @0 l5 f2 G　　A) In case of       B) In spite of       C) Because of      D) But for（D）转自:考试网 - [Examw.Com]
7 \& s! W; m$ ~4 l% M4 @　　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.
2 E# s8 i* D5 q! j　　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; [/ V) j1 Y" n8 e; l　　A) concerns    B) states       C) proclaims        D) relates（A）
答案：56. C 57. C 58. D 59. B 60. A