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【单选题】
6 下列关于糖原合成的叙述,哪项是错误的?A.
糖原的合成部位主要是肝脏和骨骼肌
B.
糖原合成酶是一种调节酶
C.
活化的糖基加到糖原引物非还原的末端
D.
糖原的合成受肾上腺素的促进
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举一反三
【单选题】How can we tell whether a kid has good relationships with his or her grandparents?
A.
They are more active.
B.
They are spoiled.
C.
They are more trusting.
D.
They are more energetic.
【单选题】Where are they?
A.
They are in a shop.
B.
They are in a library.
C.
They are in a bookshop.
【简答题】A．They want the teachers to resign. B．They want the teachers to return to work. C．They are very sympathetic toward the strike. D．They are refusing to comment on the situation.
【多选题】下列反应中，属于消去反应的是（）
A.
苯与浓硫酸、浓硝酸混合，温度保持在50-60°
B.
溴丙烷与氢氧化钠溶液混合，静置
C.
乙醇和浓硫酸共热，温度保持170℃
D.
1-氯丁烷与乙醇。氢氧化钠共热
【简答题】A．They are a customer and a salesman. B．They are a customer and a repairman. C．They are a and an insurance company manager. D．They are a salesman and a factory manager.
【简答题】Tim and Li Fang are not going to have any classes next week. They’re going to work on a farm. They are going to leave at about seven thirty on Monday morning. They are going to travel to the farm by b...
【单选题】在一定条件下发生的下列反应中，属于消去反应的是（）。
A.
乙醇和氢溴酸反应生成溴乙烷
B.
苯和浓硝酸反应生成硝基苯
C.
乙酸和乙醇反应生成乙酸乙酯
D.
由乙醇制备乙烯
【单选题】Where are they going?
A.
They are going to the cinema.
B.
They are going to a concert.
C.
They are going to a party.
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