2012年12月大学英语六级语法专项练习(7)

　41. The oil shortage ________ the prices of chemical fertilizers on the world market.
A) drove oil         B) drove up        C) drove in        D) drove off（D）
42. There are five ________ mistakes in this picture. Can you find them and win a prize?
A) intensive        B) deliberate        C) planned        D) calculated（B）
43. These studies will yield valuable lemons ________.
A) in which to save lives and protect propertywｗw.ExamＷ.CoM
B) how to save lives and protect property
C) in how to save lives and protect property
D) about those to save lives and protect property（D）
44. The school offered flexible courses for farmers, ________ more hours of study when farm work was not heavy.
A) with        B) without        C) in        D) for（C）
45. Part of the cost of many articles is taken as tax by the government ________ the community.
A) in place of        B) on account of        C) in terms of        D) on behalf of（A）
答案：41. D 42. B 43. D 44. C 45. A