对于转化实验的解释爱非议的人也许会说：蛋白质是遗传物质．只有在蛋白质与DNA结合时蛋白质才能够透入细胞。因
A.To watch the jewelry store robbery.B.To collect materials for her story.
A. To watch the jewelry store robbery.
B. To collect materials for her story.
C. To buy some valuable jewelry.
D. To take some photographs.
A.The woman lives too far from work.B.The car may not be a good choice.C
A. The woman lives too far from work.
B. The car may not be a good choice.
C. Subway suits hint very well.
D. The traffic in the city is terrible.
It can be inferred from the passage that
A. there is no link between greenhouse gas emissions and destructive storms
B. reduction of greenhouse gas emissions may reduce destructive storms
C. the higher percentage of strong ones rose as more hurricanes appeared
D. past records on hurricanes included everything needed
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