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【单选题】
不属于蛋白质二级结构的形式是A.
α -折叠
B.
无规卷曲
C.
β -转角
D.
a -螺旋
E.
二面角
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】偶然误差出现在3倍中误差以内的概率约为( )。
A.
0.317
B.
0.9540000000000001
C.
0.6829999999999999
D.
0.997
【单选题】听力原文：When are you leaving for work? (A) I'll leave after breakfast. (B) I plan to retire next month. (C) I've been working for ten years. (13)
A.
B.
【简答题】A．The author hates queue-jumping. B．The two usual ways of queue-jumping. C．Queue-jumping is a disgusting and hateful act. D．The queue-jumpers have out-checked the beasts.
【简答题】请简答何承天的十二等差律在乐律学发展史上的意义?
【单选题】It was very hard for me to make a , but I decided to leave my job. A .suggestion B. decision C. plan D. speech
A.
1
B.
2
C.
3
D.
4
【单选题】It was very hard for me to make a but I decided to leave my job.
A.
suggestion
B.
decision
C.
plan
【单选题】It was very hard for me to make a_____,but I decided to leave my job.
A.
suggestion
B.
decision
C.
plan
D.
speech
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