1.____ the text a second time,the meaning will become clearer to you.

题目

1.____ the text a second time,the meaning will become clearer to you.
A.Read B.Reading C.When you read D.If reading
2.Ocean currents affect the climates of the lands ____ they flow.
A.on which B.near which C.out of which D.from which
3.At the beginning of class,the noise of desks ____ could be heard outside the classroom.
A.opened and closed B.to be opened and closed
C.being opened and closed D.to open and close

答案

第一题选c.这是用When 引导的时间状语从句.选项A.Read 是一个祈使句,那么主句的主语应该是you,因为祈使句的隐含主语是you.而本题的主句主语却是meaning .选项 B.Reading D.If reading都是用doing的形式,说明动词与主...