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问题 名词解释

BIU

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总线接口单元

填空题
根据音标写单词。
1. I have a _____   friend called Max.  
2. She feels _____    when Mary talks to her.
3. Hua Luogeng is _____   all over the world.
4. My brother wants to be a _____  worker when he grows up.
5. Our English teacher has two big _____  eyes.
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选择题

根据下图可判断下列离子方程式中错误的是（    ）

A．2Ag(s)+Cd2+(aq)=2Ag+(aq)+Cd(s)

B．Co2+(aq)+Cd(s)=Co(s)+Cd2+(aq)

C．2Ag+(aq)+Cd(s)=2Ag(s)+Cd2+(aq)

D．2Ag+(aq)+Co(s)=2Ag(s)+Co2+(aq)
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