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