六级词汇与结构练习4

　　19.Its very dufficult to ____ the exact meaning of an idiom in a foreign language.

　　A.exchange B.transfer C.convey D.convert

　　20.When we are reading,the important thing is to ____ the essential meaning,not to learn every single word.

　　A.clasp B.grab C.grasp D.grapple

　　21.Calipers are instruments that can be used to ____ the distance between two surfaces.

　　A.count B.measure C.figure D.calculate

　　22.The twins are so much alike that people find it difficult to ____ one from the other.

　　A.separate B.compare C.choose D.distinguish

　　23.Before I bought the jeans,I asked if I could ____ them on.

　　A.put B.wear C.try D.have

　　24.Harvard University has been ____ the best university in a recent annual survey.

　　A.listed B.catalogued C.ranked D.classified

　　答案：C C B D C C

　　19.transfer转移，改变 convey传达，表达，传播

　　20.clasp扣子，扣紧，拥抱 grab抓取，强夺，捕获 grasp理解，领会，掌握 grapple抓住，握紧

　　24.catalogue目录 rank给...评级，列为，居首位