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发展社会主义民主政治，必须坚持（ ）的有机统一。A.
党的领导
B.
人民当家作主
C.
依法治国
D.
政治协商
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举一反三
【简答题】tRNA的二级结构呈 型,三级结构呈 形,其3′端有一共同序列 ,其功能是 。
【简答题】Long long ago a man went to India and he had never been there before. When he got there, he saw a lot of fruit, but much of it was expensive because they couldn’t grow much because there was little wa...
【简答题】Len was thirty years old, and he had very long hair, He lived in a big city, but one year he did not find any work there, so he went to a small town and began looking for work there. He went to a lot ...
【简答题】关于tRNA的结构及功能：组成tRNA的核苷酸大约（）个，tRNA3′末端三个核苷酸顺序是（）；二级结构呈（）形；三级结构呈（）形，其两端的功能分别是（）和（）。
【简答题】阅读短文,判断正(A)误(B) Len was thirty years old, and he had very long hair, He lived in a big city, but one year he did not find any work there, so he went to a small town and began looking for work there. H...
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