题库
题库
A．They could enjoy a happier family life.
B．They could greatly improve their work efficiency.
C．Many cancer cases could be prevented.
D．Many embarrassing situations could be avoided.
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| 单选题 | What does Brian Greene imply by saying “... it would be a lot harder for him to be heard” (Lines 1-2, Para. 9)? | 查看答案 |
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| 单选题 | In its 1994 report, the World Bank argued that the current pension system in most countries could ______. | 查看答案 |
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| 单选题 | What do scientists seem to agree upon, judging from the first two paragraphs? | 查看答案 |