问题
多选题
下列情况下的酸既表现出强氧化性，又表现了酸性的是（ ）
A．常温下将木炭加入浓硫酸中
B．氧化亚铁（FeO）加入稀硝酸
C．常温下将铜粉加入浓硝酸中
D．氧化铝溶于稀硝酸
答案
BC
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下列情况下的酸既表现出强氧化性，又表现了酸性的是（ ）
A．常温下将木炭加入浓硫酸中
B．氧化亚铁（FeO）加入稀硝酸
C．常温下将铜粉加入浓硝酸中
D．氧化铝溶于稀硝酸
BC
| 补全对话。 | |
| P : Mum,we had a sports meeting yesterday. S: Oh, really? Is it exciting? P: Of course, it is __1__ S: Who won the girls' 400-metre race? P : Liu Ying , a girl from Class Four. S : __2___ P: Yes. At first Li Fang ran fastest. But she fell off. S : What a pity! ___3____ P : Ann jumped highest. She did quite well. S : ____4_____ P : Yes, she did. ____5__
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