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【单选题】
色氨酸操纵子调节基因产物是:A.
活性阻遏蛋白
B.
失活阻遏蛋白
C.
cAMP 受体蛋白
D.
无基因产物
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Conversation Two 8
A.
Finding another dorm on campus
B.
Sharing a bed with a classmate
C.
Living with a friend for a couple of days
D.
Sharing a private apartment with other students
【单选题】(末考:基础知识部分)select查询语句中,select子句、form子句、where子句、order by子句的顺序是( )。
A.
select,where,from,order by
B.
select,where,order by,from
C.
select,from,order by,where
D.
select,from,where,order by
【简答题】已有定义:float f=13.8; 则表达式(int)f%3的值是( )。
【简答题】期货交易活动实行（ ）的原则。
【简答题】A．He doesn't think it is interesting. B．He doesn't think it is more difficult than Marathon. C．He thinks it is much easier than F1-Race. D．He thinks it is the most difficult sporting .
【单选题】Conversation Two 8
A.
Every Monday
B.
Every Friday
C.
Every Wednesday
D.
Every Thursday
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