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2013年英语四级习题答案(4)

育龙网核心提示:2013年英语四级习题答案(4):1.The beam that is ________by a laser differs in several ways from the light that comes out of a flashlight.
A) emittedB) motivatedC) transportedD) translated,答案:A。

 

1.The beam that is ________by a laser differs in several ways from the light that comes out of a flashlight.
A) emitted
B) motivated  
C) transported
D) translated
答案:A
2.We booked rooms at the hotel ________we should find no vacancies on our arrival.
A) whenever
B) since  
C) if
D) lest
答案:D
3.Modern forms of transportation and communication have done much to ________the isolation of life in Alaska.
A) break through
B) break into
C) break down
D) break out
答案:A
4.We know through painful experience that freedom is never by the oppressor; it must be ________by the oppressed.
A) demanded
B) required
C) commanded
D) requested
答案:A
5.Color and sex are not relevant ________whether a person is suitable for the job.
A) on
B) to
C) for
D) with
答案:C

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