1、The security guard _____ two men who were yelling in the courtroom.

　　A.expelled　　B.propelled　　C.repelled　　D.dispelled

　　2、In most cases politicians are _____ as they seldom tell the truth.

　　A.credible　　B.credulous　　C.incredulous　　D.incredible

　　3、He soon received promotion, for his superiors realized that he was a man of considerable _____.

　　A.future　　B.possibility　　C.ability　　D.opportunity

　　4、Britain has the highest _____ of road traffic in the world—over 60 cars for every mile of road.

　　A.density　　B.intensity　　C.popularity　　D.prosperity

　参考答案：

　　1、A　2、D　3、C　4、A