在英语越发普及的21世纪，英语成了大学生的必修课。为帮助大家掌握权威的英语知识，特提供以下资料：
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
谜底:
1-5 DBACD
1.选D precaution 预防法子或体例
I took the precaution of looking everything in the safe.
presentation 赠予，表演
2.选B dispute 争论，辩说，质疑
bargain 构和
3.选A embrace 拥抱，搜罗
grip 紧抓，吸引(某人的)注重力，常用于被动语态
4.选C penetrating 思惟灵敏的，有洞察力的，(声音)清脆的
preceive不雅察看，注重到
perserving 坚持的，奋不顾身的
5.选D at the expense of 以……为价钱