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【简答题】
就是商品的标志，是该商品区别于其他商品的标记。
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举一反三
【单选题】My grandfather _____ smoking, but only smokes when he is free. [ ]
A.
is proud of
B.
is fond of
C.
is afraid of
D.
is tired of
【单选题】听力原文：W: I'm free this afternoon. Shall we go to the movies? M: OK. But I hate love stories. Any films about war on today? W: I'm afraid not. How about the theatre? M: Well, most plays are badly writte...
A.
Go shopping.
B.
Go to the library.
C.
Go to the cinema.
【单选题】What can be true about the smoking ban?
A.
All buildings are smoke-free including outdoor premises.
B.
The Department of Health is in charge of enforcing the law.
C.
Many companies have strongly opposed the law.
D.
It has received strong support from residents.
【单选题】原核生物和真核生物启动子的共同特点是
A.
需要反式作用因子辅助作用
B.
本身不被转录
C.
与RNA聚合酶I、II、III相结合
D.
转录起始位点由RNA聚合酶的σ因子辨认
E.
涉及DNA－蛋白质的相互作用
【单选题】原核生物依赖 ρ 因子的 RNA 转录终止的叙述,正确的是
A.
终止信号存在于 RNA
B.
终止信号由σ因子辨认结合
C.
终止信号需要 δ 因子辅助识别
D.
由终止因子RF参与
【单选题】原核生物和真核生物启动子的共同特点是
A.
需要反式作用因子辅助
B.
本身不被转录
C.
与RNA聚合酶I、II、III相结合
D.
转录起始位点由RNA聚合酶的σ因子辨认
E.
涉及DNA－蛋白质的相互作用
【简答题】Smoking Free Store
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