银汞合金在调和后具有可塑性的时间是（） A.15min内 B.25min内 C.30

2kW·h的电能可供一盏标有“220V 40W”的白炽灯正常工作_______h。

根据句意及首字母提示填词。

1. People in different countries speak different l________.

2. Hip Pop is very p_______. Young people like it very much.

3. I can't answer this question. It's very d________.

4. Jenny left home w_________ any money. We are all worried about her.

5. Don't worry about us. We can look after o________.

非用醋制作的其他冷冻蔬菜

下列哪项对川崎病诊断具有特征性意义（）

A.热型呈稽留热或弛张热

B.手足硬性水肿

C.各型皮疹

D.体温下降后指、趾端与甲床交界处膜状或薄片脱皮

E.结合膜充血、唇红干裂和杨梅舌

酸雨是指pH值小于（）的天然降雨和降雪。