下列化学用语正确的是 A.S原子的结构示意图: B.明矾的化学式:KAlSO4· 发布时间:2017-05-13 19:37 │ 来源:www.tikuol.com 题型:选择题 问题: 下列化学用语正确的是A.S原子的结构示意图:B.明矾的化学式:KAlSO4·12H2OC.乙醇的结构式:D.碳酸钠的电离方程式: Na2CO3 = Na2 + + CO32ˉ
题型:选择题 读一读,补全对话. shirt, sweater, T-shirt, jacket1. A: It's cold today. You can't wear your _______________. B: I can wear my _______________.2. A: It's warm today. B: I can wear my _______________. A: You can wear your _______________, too.3. A: It's hot today. B: I can wear my _______________. A: Yes, you can. 查看答案