皮皮学，免费搜题
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【单选题】
原核生物转录起始复合物不包括( )A.
RNA聚合酶全酶
B.
DNA模板链
C.
pppGpN—OH3’
D.
RNA聚合酶核心酶
E.
以上都不对
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反馈参考答案：
举一反三
【单选题】( )is the rate at which energy is used up in maintaining basal metabolism.
A.
Physical activity
B.
Basal metabolic rate
C.
Metabolic response to food
D.
Basic metabolism
【单选题】As a student, we should learn how _____ the words in the dictionary. [ ]
A.
to look up
B.
look up
C.
looking up
【单选题】basal metabolism rate的单位一般是
A.
kJ/(m.h)
B.
kJ/( cm.h)
C.
kJ /(kg .min)
D.
kJ /h
E.
kJ/(m2·h）
【单选题】If you don't know how to spell a new word, you'd better ______. [ ]
A.
look up a dictionary
B.
look at a dictionary
C.
look it up in a dictionary
D.
look up it in a dictionary
【单选题】If you don't know how to spell new words , ______ in the dictionary. [ ]
A.
look up them
B.
look for them
C.
look them up
D.
look them for
【单选题】If you don't know how to spell a new word, you'd better ______. [ ]
A.
look up a dictionary
B.
look up an dictionary
C.
look it up in an dictionary
D.
look it up in a dictionary
【简答题】基础代谢(basal metabolism,BM)
【简答题】基础代谢率(basal metabolism rate，BMR)
【简答题】为保证平行孔系的位置精度,生产中常采用 法、 法和 法保证。
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