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【单选题】
原核生物参与转录起始的酶是A.
RNA 聚合酶 Ⅲ
B.
引物酶
C.
RNA 聚合酶核心酶
D.
RNA 聚合酶全酶
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举一反三
【简答题】We have read medieval English poetry and drama, and we have
also studied Old English.
【单选题】—Sorry， I couldn't find the magazine you asked for. — ____________.
A.
Don't mention it
B.
No problem
C.
It's all the same
D.
Thanks anyway
【单选题】西门子 MM420变频器的主线路电源端子()需经交流接触器和保护用短路与三相电源连接。但不宜采用主电路的通、断进行变频器的运行与停止操作。
A.
X、Y、Z
B.
U、V、W
C.
L1、L2、L3
D.
A、B、C
【简答题】英汉互译 1. Which of these books do you think is the best? 2. 你认为谁会赢得这场比赛？ 3. 你认为我应邀请多少人？
【单选题】Which of these books come first in order in the Old Testament?
A.
Ecclesiastes
B.
Ruth
C.
Exodus
D.
Samuel1
【单选题】Which of these two books would you like?
A.
ll like , because they are too hard for me.
B.
both
C.
neither
D.
either
E.
all
【单选题】To fully understand Shakespeare’s works, we must read not only between the lines of his drama, but sometimes __________ the lines.
A.
within
B.
beside
C.
beyond
D.
among
【简答题】对单杠杆气动差压变送器,若将正压室接在高压端,负压室接在低压端,则-- 。1随着压差增大,其输出减小;2随着压差减小,其输出增大;3随着压差减小,其输出减小;4随着压差增大,其输出增大。A. ③④ B. ①② C. ①③ D. ②④
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