1. None of us knew how the change had come______.

A. across

B.about

C. over

D. down

【参考答案】B

【答案解析】come across偶遇；Come about发生；come over过来；突然感到；come down下降；着陆；崩塌，综合句意选择B

2. The price of fish is ______ during theSpring Festival

A. expensive

B.high

C. valuable

D. dear

【参考答案】B

【答案解析】修饰price用high/low。

3. He offered to ______ her a hand as thebag was too heavy for her to carry.

A. lend

B.help

C. show

D. borrow

【参考答案】A

【答案解析】lend sb. A hand是固定搭配，意思是伸出援手，帮助。

4. Do you mind if I ______ the mistakes inyour report?

A. pick up

B.put up

C. call out

D. point out

【参考答案】D

【答案解析】point out 指出。句意是您介意我指出您报告中的错误吗？

5. They told me it would be cheap but _____ it cost me nearly $ 500.

A. in general

B.in a word

C. in detail

D. in fact

【参考答案】D

【答案解析】in general一般而言，总的来说；in a word总之；简言之；in detail详细地；in fact实际上；事实上。综合句意可以得知选D。