题库
题库
A．the traditions and customs of the community
B．the safety conditions of their neighborhood
C．their parents’ psychological makeup
D．their maturity and personal qualities
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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 |
| 单选题 | What’s the opinion of economists about going to college? | 查看答案 |
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| 单选题 | We can learn from the first paragraph that ________. | 查看答案 |
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| 单选题 | According to child experts, how and when kids may be allowed more freedom depends on ________. | 查看答案 |
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| 单选题 | The two Harvard economists note in their study that, for much of the 20th century, ________. | 查看答案 |