What does the author mean by saying that "the carbon emitted by air travel currently has 'no technofix'"(para. 3)

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• What does the author intend to tell the reader?

  A . here is still a long way to go for economists to genuinely contribute to global health. B . Economists＇ role in global health is, to a large extent, negative C . Economists increased the inequality of resource allocations in global health D . Economics is only one science among many that policy makers have to take into account in providing health care programs

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• What does the author mean by saying "For colleagues in the East, the pain is more likely to come through a pay cut"？

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• What does the author mean by stating in line 7 that “this analogy is not far off the mark”？

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• What does the author mean by saying, "We have to undo man' s mistake in bringing cats here" (Paragraph 3 ) ？

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  A.He wants to go with them． B.He will invite his friends． C.He is not interested in going．

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• What does the author mean by "family is of course an elastic word"？

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• What does the author mean by saying "Even for people who exercise， spending long stretches of time sitting at a desk is still harmful？" （Para.6）？ 查看材料

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• What does the author mean by saying that "Offering adoption assistance was an easy call for Steve Steinour... "？ (Para.5)

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• What does the author mean by the last sentence of the passage？

  A．Wireless recharging is too wonderful to be true. B．Wireless recharging is consistent with the laws of nature. C．Wireless recharging will definitely come true finally. D．Wireless recharging will surely enter the mainstream in the end.

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• What does the author probably mean by using the expression "children interrupt their education to go to school" in the first paragraph？

  A．Going to several different schools is educationally beneficial. B．School vacations interrupt the continuity of the school year. C．Summer school makes the school year too long. D．All of life is an education.

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• What does the author mean by saying that the Grand Canyon is of relatively recent origin？

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• What does the author mean by saying that Meaning is in the person, not in the word（Line 2~3, Para. 1）（）

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  A．Geron ends government interference in this area. B．Geron settles the disputes over stem cell research. C．Geron follows up the research on their own. D．Geron rallies for the research.

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