问题
选择题
| — It's very hot, but quite wet today. — _____. |
A. So it is B. It is so C. So is it D. So it does |
答案
答案：A
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| — It's very hot, but quite wet today. — _____. |
A. So it is B. It is so C. So is it D. So it does |
答案：A
是两性氢氧化物，能溶于强酸或强碱。