旅游团赴下一站旅行,在离开饭店前,无特殊原因地陪应在下午6: 00时以前办理退房手续。 ()
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A.expectB.expectationC.expectingD.expected
A. expect
B. expectation
C. expecting
D. expected
为了防止丢失,旅游者的护照、回乡证和集体签证,在办完手续后,可以保留在导游员手中。 ()
A. 正确
B. 错误
In hardware, a bug is a recurring【37】problem that prevents a system or set of【38】from working together properly. The【39】of the term reputedly goes back to the early days of computing, when a hardware problem in a computer at Harvard University was【40】to a moth caught between the contacts of a relay in the machine.
(21)
A. wording
B. term
C. diction
D. insect
What is mainly discussed in the text?
A. How to use sunscreen cream better
B. The different opinions on sunscreen cream
Connection between cancer and sunscreen
D. Research on the new functions of sunscreen cream