2016年首都經濟貿易大學考博英語真題(單選題)

希賽網為考生們整理了2016年首都經濟貿易大學考博英語單選部分真題，供考生們備考復習。

1、The beam that is ( )by a laser differs in several ways from the light that comes out of a flashlight.

A、transported

B、emitted

C、motivated

D、translated

2、We booked rooms at the hotel ( )we should find no vacancies on our arrival.

A、whenever

B、if

C、since

D、lest

3、Modern forms of transportation and communication have done much to ( )the isolation of life in Alaska.

A、break through

B、break down

C、break into

D、break out

篇幅原因，更多真題內容，請下載附件查看。