英语单选1.The aircraft base is protected with specially designed

英语单选
1.The aircraft base is protected with specially designed shelters which are built to________ ground and air attacks．
A) launch B) withstand C) contest D) contend
2．I'm pleased to hear of your job offer一all that hard work at school has obviously________.
A) paid off B) taken its toll C) made a difference D) shown up
3．The talks might________ for weeks before any concrete result is announced.
A) press on B) drag on C) get bogged down D) hold out
4.We need someone really_______ who can organize the office and make it run smoothly.
A) crucial B) realistic C) essential D) efficient
5．Once Mrs．Kirkpatrick________ you in conversation,you’re stuck with her for at least half an hour.
A) submerges B) engages C) occupies D) launches
6.Their refusal to compromise is a major ______that stands in the way of further peace talks．
A) obstacle B) complication C) entity D) hazard
7.However,the new law,once passed,will______ the Bridlington agreement illegal by giving workers the right to join unions of their choice.
A) convert B) render C) cancel D) eliminate
8.1 will hold you personally _______ if anything goes wrong in this project.
A) destructive B) lucrative C) diverse D) responsible
9.Due to his recent failure to meet the deadline,Jason is________ from the list for promotion．
A) eliminated B) retreated C) pried D) wrenched
10.The intelligence department was accused of failure to ________the troops to the possibility of an enemy attack during the weekend.
A) instruct B) warn C) dictate D) alert
最好注明为什么?

1.B首先选及物动词,CD淘汰,然后意思是低档,抵御,选B
2.A pay off赢利,回报.恭喜你找到工作,学校的努力总算有了回报
3.B get bogged down,被停顿,所有的词组都是不及物动词,这里要用被动,get引导动词过去分词相当于be动词功能
4.efficient 能干的
5.B engage 及物动词,使忙碌,使从事,让你进入谈话,那你不花半小时回不来
6.D 冒险,他们拒绝妥协对于以后的和平建交是一个很大的冒险
7.B 致使,导致 导致合约无效
8.D hole you responsible,让你负责,如果项目出错的话
9.A由于错过限期,JASON被从提拔名单上剔除
10.B warn 智囊团没有提醒军队周末有敌方袭击而被控告