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【单选题】
( )是将上部结构的所有重量传递到地基的承重混凝土构件。A.
楼板
B.
柱
C.
基础
D.
墙
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皮皮学刷刷变学霸
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【简答题】小组任务:请罗列三个移动商务的行业应用。
【单选题】下列哪一项不适用于原核生物的蛋白质生物合成?()
A.
起始阶段消耗GTP
B.
IF2 促进甲硫氨酰-tRNAiMet与核蛋白体小亚基结合
C.
起始因子有IF1、IF2、IF3三种
D.
延长因子有EE-Tu、EE-Ts和EFG
E.
核蛋白体大亚基有P位及A位
【单选题】According to Mr. Fadell, we get to know that______.
A.
Nest' s privacy policy has been changed by Google
B.
Nest' s privacy policy may remain unchanged for some time
C.
Google will keep Nest' s privacy policy till Nest changes it
D.
privacy policy is made by Nest' s users
【单选题】Mr. Chang has been ___ monitor of the class.
A.
elected to
B.
elected
C.
choose
D.
chosen to
【单选题】By now, more than 100 photos ________ back to the earth by Chang’e-3.
A.
had been sent
B.
has been sent
C.
have been sent
D.
will be sent
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