1.First published in 1927, the charts remain an _______ source for researchers.
A intelligent B indispensable C inevitable D identical

2. Please___ dictionaries when you are not sure of____ word spelling or meaning.
A search B seek C inquire D consult

3. It ____ you to at least 50% off the regular price of either frames or lenses when you buy both.
A credits B entitles C presents D tips

4. The __ at the military academy is so rigid that students can hardly bear it.
A confinement B convention C discipline D principle

5. Doctors warned agaisnt chewing tobacco as a _____ for smoking.
A succession B substitute C revival D relief

答案
1-5BDBCB
1.选B indispensable to do sth, indispensable for sth/ doing sth 不可缺少的,必需的
inevitable 不可避免的，必然发生的
identical同一的,identical to/with sb/sth与......完全相同的
2.选D consult with sb 与某人商量,consult查阅
3. 选B entitle sb to sth(用于被动语态) 给某人获得某事物或权利
4. 选C discipline 训练方式,处罚
confinement限制，监禁
convention大会
5.选B substitute 代替, 替用品
revival恢复，苏醒

1. It was the first time that such a ___ had to be taken at a British nuclear power station.
A presentation B preparation C prediction D precaution

2.The test results are beyond__; they have been repeated in labs all over the world.
A conflict B dispute C bargain D negotiation

3. The group of technicians are engaged in a study which __ all aspects of urban planning.
A embraces B performs C inserts D grips

4. ___ that he wan't happy with the arrangements. I tried to book a different hotel.
A Puzzling B Penetrating C Perceiving D Persevering

5.His business, was very successful, but it was at the __ of his family life.
A exhaustion B consumption C credit D expense

答案:
1-5 DBACD
1.选D precaution 预防措施或方法
I took the precaution of looking everything in the safe.
presentation 赠送，演出
2.选B dispute 争论，辩论，质疑
bargain　谈判
3.选A embrace　拥抱，包括
grip　紧抓，吸引(某人的)注意力，常用于被动语态
4.选C　penetrating 思想敏锐的，有洞察力的，（声音）响亮的
preceive观察，注意到
perserving 坚持的，不屈不挠的
5.选D at the expense of 以......为代价