2012大学英语四级词汇练习模拟题28

1. The president made a _A_ speech at the opening ceremony of the sports meeting， which encouraged the sportsmen greatly.

　　A vigorous B tedious C flat D harsh

　　ceremony n. 典礼，仪式;表达在某个典礼上介词用at。 vigorous adj. 强劲有力的，强有力的。

　　harsh adj. 刺耳的，令人不愉快的; flat adj. 平淡无奇的; tedious adj. 冗长无聊的。

2. It is useful to be able to predict the extent _C_ which a price change will affect supply and demand. [extent to]

　　A from B with C to D for

　　A must have lasted B will have lasted C would last D has lasted

　　见到介词by引导的时间状语，谓语动词就应是完成时态。

4. Physics is _B_ to the science which was called natural philosophy in history.

　　A alike B equivalent C likely D uniform

　　be alike to sb. 对于某人来说均是一样的。 be equivalent to 相当于。

　　All tastes are alike to him. 所有味道对他来说都一样。www.examｗ.com

5. The new appointment of our president _A_ from the very beginning of next semester.

　　A takes effect B takes part C takes place D takes turns

　　semester n. 学期; president n. 大学校长; take effect 生效，发生效力;

　　take part in 参与，参加; take place=happen 发生; takes turn to do sth. 轮流做某事。