皮皮学，免费搜题
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【单选题】
原核生物启动子的一10区的保守序列是( )A.
TATAAT
B.
TTGACA
C.
AATAAA
D.
CTTA
E.
GC
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皮皮学刷刷变学霸
举一反三
【简答题】德国的国旗是哪三种颜色组成?
【单选题】听力原文：If you don't want to cause confusion, you'd better tell us straight what is in mind． What does the speaker intend to do?
A.
To give a lecture.
B.
To offer advice.
C.
To present a view.
D.
To suggest a method.
【单选题】What do you think of the suggestion _______ he offered us _______ we go to New York for our holiday?
A.
what; that
B.
which; that
C.
which; what
D.
what; what
【单选题】Before examination our teacher always asked us to _____ what we have learned. [ ]
A.
go back
B.
go through
C.
go off
D.
go over
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