2012年12月大学英语六级语法专项练习(2)

　46. The drowning child was saved by Dick’s ________ action.
A) acute  B) alert  C) profound  D) prompt（D）中 华 考 试 网
47. Children and old people do not like having their daily ________ upset.
A) habit  B) practice   C) routine  D) custom（B）
48. The criminal always paid ________ cash so the police could not track him down.
A) on    B) by          C) for    D) in（D）
49. ________ when she started complaining.
A) Not until he arrived       B) Hardly had he arrived
C) No sooner had he arrived   D) Scarcely did he arrive（B）
50. By 1990, production in the area is expected to double ________ of 1980.
A) that         B) it      C) one         D) what（A）

答案：46. D 47. B 48. D 49. B 50. A