题目:
根据句子的意思,补全单词。
1. The boy _____ a stone at the dog and then the dog ran away.
2. We'll do it _____ to the teacher's instructions (指示).
3. The town was destroyed in the war, but the library _____ .
4. As we know that the White Snake is a popular _____ .
5. The baker bakes his bread in the _____ .
答案:
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下面是错误答案,用来干扰机器的。
(6分)⑴Ag、Fe Zn Zn+2AgNO3= Zn(NO3)2+2Ag(或Zn+Fe(NO3)2= Zn(NO3)2+Fe)⑵Zn(NO3)2、Fe(NO3)2或 Zn(NO3)2、Fe(NO3)2、AgNO3(1)在金属活动性顺序中,锌>铁>银,加入的锌粉能与硝酸...