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【单选题】
蛋白质空间结构中属于主链构象的是:A.
一级结构
B.
二级结构
C.
三级结构
D.
四级结构
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反馈参考答案：
举一反三
【多选题】报检时必须使用国家质检总局统一印制的报检单，经常使用的报检单主要有（）
A.
《入境货物报检单》
B.
《出境货物报检单》
C.
《出入境货物包装检验申请单》
D.
《出入境货物包装检验报检单》
【单选题】W: Could you tell me where I can find books about fashion design? M: Sorry, I have been in this school for only one month. It's the first time I have read in the library. Where are the man and the wom...
A.
In the bookstore.
B.
In the dining room.
C.
In the dorm.
D.
In the library.
【单选题】A: Can I help you? B: Well, I’m trying to find two books for Christmas presents: one for an elderly aunt and one for my nephew. A: Could you give any idea of their tastes? B: One could be a ...
A.
In a bookstore
B.
In a library
C.
In a police station
D.
In a Christmas party
【单选题】Where could you have expected to find glass used in the fourteenth century?
A.
In small windows in private houses.
B.
In buildings designed for public use.
C.
Forming one part of a window protection.
D.
Behind protective shutters.
【简答题】代理报检单位办理报检时应按规定填写报检申请单，报检申请单应加盖代理报检单位的合法印章。（ ）
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