题库
题库
A．enrollment kept decreasing in virtually all American colleges and universities
B．the labor market preferred high-school to college graduates
C．competition for university admissions was far more fierce than today
D．the gap between the earnings of college and high-school graduates narrowed
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| 单选题 | Parents today are more nervous about their kids’ safety than previous generations because________. | 查看答案 |
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| 单选题 | What does the author mean by “Nature is indifferent to human notions of fairness” （Line 1, Para. 2）？ | 查看答案 |
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| 单选题 | In this consumerist age, most parents ________. | 查看答案 |
| 单选题 | How does global warming affect the survival of turtles? | 查看答案 |
| 单选题 | The two Harvard economists note in their study that, for much of the 20th century, ________. | 查看答案 |
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