语法练习

1.Dr. Wang has made much contribution to the theories of modern physics at the ____ of his health.

A.cost

B.disposal

C.mercy

D.expenditure

2.Crisis would be the right term to describe the ___ in many animal species.

A.abolition

B.restriction

C.descent

D.decline

3.Up until that time, his interest has focused almost ___ on fully mastering the skills and techniques of his craft.

A.restrictively

B.radically

C.inclusively

D.exclusively

4.In the ___ of human life the honors and rewards fall to those who show their good qualitiesin action.

A.ring

B.terrace

C.arena

D.ground

答案详解

1.[A]【解析】考查固定搭配。 at the cost of “以……为代价”； at the disposal of“由……处置”; at the mercy of “任……摆布”；expenditure不与at搭配，expenditure of 表示“……的消费，支出”。据题意可知，应选A。

2.[D]【解析】名词词义辨析。abolition“废除”；restriction“限制，约束”； descent“下降，降落，堕落”； decline“下降，减少”。根据以上分析，应选D。

3.[D]【解析】副词词义辨析。restrictively “限制性地”； radically“根本地，彻底地”；inclusively“包含地，在内地”； exclusively“专门地，排他地”。根据句中的提示词， almost， fully可知他只关注掌握职业的技术和技巧，故选D。

4.[C]【解析】名词词义辨析。ring“圆圈，环状物”；terrace“阳台，露台”；arena“竞技场，舞台”；ground“场地，地面”。这里把人生比喻成一个竞技场，故选C。