客人喝黄酒时怎么办？
参考答案：
黄酒是一种低度原汁酒，有一定药用价值，喝时要温热后送上。
用所给单词的适当形式填空。
1. I can't _____(find) my ticket. What_____ I _____(do)?
2. I don't like milk. But my mother _____(want) me _____(drink) it.
3. Who _____ (do) the dishes this afternoon?
4. We have two _____(live) rooms.
5. Could you please _____(make) _____(you) bed?
通常条件下，下列转化不能由一步反应实现的是[ ]
A．Cu→CuO
B．CuO→CuCl
C．CuCl2→Cu（OH）2
D．Cu→Cu（OH）2
