问题 选择题

Buses have routes. They ________ and ________ people at different places on the routes.

A.take on, get off

B.pick up, drop off

C.take up; take off

D.pick out; drop out

答案

答案:B

考查短语辨析。pick up上车;drop off下车。句意:公共汽车都有固定的线路,人们可以在其线路上的各停车点上下车。

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