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【单选题】
使乳糖操纵子实现高表达的条件是A.
乳糖存在
B.
乳糖缺乏，葡萄糖存在
C.
乳糖和葡萄糖均存在
D.
乳糖存在，葡萄糖缺乏
E.
葡萄糖存在
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举一反三
【单选题】I hope you _____yourself in the park . [ ]
A.
will enjoy
B.
to enjoy
C.
enjoying
D.
enjoy
【单选题】- Welcome to Unitex International. I hope you will enjoy your work here. - _________
A.
I can earn a lot.
B.
Is this a good firm?
C.
I am sure I will.
D.
You are very kind.
【单选题】—I hope Bill won’t come. —_____, why did you invite him?
A.
Now what
B.
If so
C.
In case
D.
Even though
【单选题】— Welcome to our company. I hope you will enjoy your work here. — ________________________.
A.
I am sure I will
B.
I can learn a lot
C.
You are very kind
【单选题】— I _____ enjoy yourself on vacation. — Thanks, I will. [ ]
A.
hope you to
B.
hope you did
C.
wish you to
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