The passage mainly discusses the problem that ______.
A. people are easily cheated when they buy something
B. people are afraid to speak for themselves
C. some people think too low of themselves
D. some people are afraid of superiors
查看答案
A．ObviouslyB．ContrarilyC．FrequentlyD．Practically
A. Obviously
B. Contrarily
C. Frequently
D. Practically
A．at a lossB．at lastC．in factD．on the occasion
A. at a loss
B. at last
C. in fact
D. on the occasion
As used in the second paragraph, the expression "play safe" most probably means ______.
A. to spell correctly
B. to write smoothly
C. to avoid using words one is not sure of
D. to use dictionaries frequently
A．unlessB．ifC．whileD．as if
A. unless
B. if
C. while
D. as if
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