皮皮学，免费搜题
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【单选题】
核糖体亚基的化学成分是
A.
蛋白质、 rRNA 、 tRNA
B.
多肽、 rRNA
C.
多糖、 rRNA 、 tRNA
D.
多糖、 rRNA
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举一反三
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C.
仰韶文化
D.
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【单选题】If our government attention to controlling food safety now, our health ________ in danger.
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【单选题】— If our government _____attention to controling food safety now, our health _____in danger.
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相关题目：
【单选题】中国目前发现的最早的回廊存在于下列哪个文化中:()
A.
河姆渡文化
B.
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【简答题】Dear Mr. Smith, I am pleased to offer you the position of after-sales manager at our company starting on 16 June, 2009. I propose that the terms of employment will be those in the attached draft indiv...
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