68.The underlined word “passage” in Paraghaph 2 means .

68.The underlined word “passage” in Paraghaph 2 means .A.change B.choice C.text

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60.According to paragraph4,who inspired Natalie most?

60.According to paragraph4,who inspired Natalie most?A.The people helping Rocka

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55.

55.A.controlled B.saved C.founded D.developed

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40.[生物——选修3:现代生物科技专题](15分)图(a)中的三个DNA片段上以此表示出了EcoRI、BamHI和Sa

40.[生物——选修3:现代生物科技专题](15分)图(a)中的三个DNA片段上以此表示出了EcoRI、BamHI和Sau3AI三种限制性内切酶的识别序列与切

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What does the author suggest the grandparents do in the lasr

What does the author suggest the grandparents do in the lasr paragraph?A.Make de

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