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What is the result of he nation’s fossil-fuel ad..
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_________(52)A.give B.provide C.make D.do..
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Professor Taylor’s talk has indicated that scienc..
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Which statement is NOT true according to the pass..
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完形填空(阅读以下材料 回答第51——65题)School LunchResearch has s..
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hardier crops(Last line Para. 3)are most probab..
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