填空题

Recently Humphrey Hawksley, a BBC news reporter, came to Seattle to carry out a survey, enquiring whether that once universal idea of the American dream still exists.

【参考答案】

Y

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问答题

一般说来，事业成功人士往往都很能干，工作也都很刻苦；但是有才干、工作也刻苦的人，却未必在事业上都会成功。这里是否涉及幸运与机遇的问题。你是否能就“hard work”、“good luck”及“opportunity”这三者，淡几点自己个人的看法。Hard Work，Good Luck and Rare Opportunity

单项选择题

Calhoun stabilized the rat population ______.

A．when it was double the number that could live in the enclosure without stress
B．by removing young rats
C．so that there was a constant number of adult rats in the enclosure
D．all of the above are correct

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