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【单选题】
关于蛋白质亚基的描述正确的是A.
一条多肽链卷曲成螺旋结构
B.
两条以上多肽链卷曲成二级结构
C.
两条以上多肽链与辅基结合成二级结构
D.
每个亚基都有各自的三级结构
E.
以上都不正确
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反馈参考答案：
举一反三
【单选题】世事洞明皆学问,人情练达即文章。
A.
The world's affairs, well understood, are all scholarship. Human relationships, maturely experienced, are already literature.
B.
True learning implies a clear insight into human activities. Genuine culture involves the skillfull manipulation of human relationships.
【单选题】世事洞明皆学问,人情练达即文章。
A.
The world's affairs, well understood, are all scholarship. Human relationships, maturely experienced, are already literature.
B.
True learning implies a clear insight into human activities. Genuine culture involves the skilful manipulation of human relationships.
【简答题】细读《哺乳期的女人》从主题思想、人物形象、艺术特色等方面入手写一篇1000字左右的短论。
【单选题】We entered the café and sat down by the window, waiting ________.
A.
to serve
B.
to be served
C.
serving
D.
served
【单选题】世事洞明皆学问 ,人情练达即文章。
A.
The worlds affairs, well understood, are all scholarship. Human relationships, maturely experienced, are already literature.
B.
The worlds affairs, well understood, are all knowledge. Human relationships, maturely experienced, are already articles.
C.
True learning implies a clear insight into human activities. Genuine culture involves the skilful manipulation of human relationships.
【简答题】细读《哺乳期的女人》(部分班级为《哺乳期的女人》)从主题思想、人物形象、艺术特色等方面入手写一篇短论,字数1000左右。
【简答题】I sat in a café, watching the (hustle and) b________ (= busy activity) of the street outside.
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