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【单选题】
下列哪些不是操纵子的组成部分A.
结构基因
B.
启动子
C.
阻遏物
D.
Pribnowbox
E.
操纵子
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举一反三
【单选题】Short conversation 4
A.
The direct train going to London will leave in 2 hours.
B.
The direct train going to Manchester will leave in 2 hours.
C.
The indirect train going to Manchester will leave in 1 hour and 50 minutes.
D.
The indirect train going to London will leave in 2 hours and 10 minutes..
【单选题】short conversation 4
A.
He doesn’t know how to play chess.
B.
He doesn’t like playing chess very much.
C.
He can’t play chess well.
D.
He’s a good chess player.
【简答题】short conversation 4
【单选题】Short conversation 4
A.
Whether Jane will take care of her son and dog.
B.
Whether she can go to Jane for some advice.
C.
Whether it is possible to travel with her kid.
D.
Whether she can drive a jeep in her travel.
【单选题】Short Conversation 4
A.
A storyteller.
B.
A computer engineer.
C.
An entrepreneur.
D.
A vegetable farmer.
【单选题】Short conversation 4
A.
She agrees we can't all be heroes.
B.
She once did something very brave.
C.
She'd like to be a hero.
D.
She admires heroes very much.
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