1. His test results are not very _____. He does well one week and badly the next.
A. invariable B. consequent C. continuous D. consistent

[答案]D. consistent.
[注释]consistent 1)始终如一，前后一致：He is not consistent in his statements.(他的话并不前后一致。) 2)与......一致：The story is not consistent with the facts. What you say is not consistent with what you do.

2. The new safety regulations were agreed on after _____ with the work-force.
A. conference B. participation C. intervention D. consultation

[答案]D. consultation.
[注释]consultation 商议：hold a consultation with sb. about sth.（与某人商谈某事）。conference 讨论会；participation 参加，参与；intervention 干预，干涉。

3. The room was so quiet that she could hear the _____ of her heart.
A. hitting B. beating C. tapping D. knocking

[答案]B. beating.
[注释]beating 此处是动名词，指“（心）跳”：Her heart was beating furiously.

4. During World War II Malta managed to _____ most of Italian and German bombers by throwing up an effective anti-aircraft screen.
A. put out B. shut out C. come across D. get across

[答案]B. shut out.
[注释]shut out(=prevent from coming in; block)排除，排斥：They shut out our dust by having double windows.(他们用双层窗户防尘。)put out 扑灭；get across 越过；使人了解；come across 偶然遇到。本题译文：第二次世界大战中，马耳他建立了有效的防空屏障以防止意大利和德国的轰炸机侵入。

5. I think we should let Maria go camping with her boyfriend. _____, she’s a big girl now.
A. Above all B. After all C. First of all D. For all

[答案]B. After all.
[注释]after all 毕竟。“for all 名词”意为“尽管”: For all his wealth, he was unhappy.(尽管他富有，但他并不幸福。)