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In the author's opinion,______.
A. it is true that life in America is much faster than that in any other city
B. people living outside big cities are lazy and miserable
C. most American people enjoy living in the suburbs of big cities
D. those who are busy are not necessarily unfriendly
43.答案为D 从第二第三段都可看出作者认为美国人忙碌,但是对外地人还是很友好的,因此选D。A、B、C选项都与原文不符。
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A good program should be( )by programmers other than the person who wrote it.
A. reliable B. understandable C. structured D. blocked
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