根据材料请回答Margaret Sanger and Birth ControlMargaret Sanger, an

根据材料请回答Margaret Sanger and Birth ControlMargaret Sanger, an American nurse, was

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根据材料请回答The Gene IndustryMajor companies are already, in purs

根据材料请回答The Gene IndustryMajor companies are already, in pursuit of commercial ap

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The word "lacto-vegetarian" in Paragraph 4 means

The word "lacto-vegetarian" in Paragraph 4 meansA.very strict vegetarian B.they

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Compared with vegetable protein, animal protein contains

Compared with vegetable protein, animal protein containsA.more proteins B.more n

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Football can be classified as a spectator sport.

Football can be classified as a spectator sport.A.Right B.Wrong C.Not mentioned

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