云是悬浮在大气中的小水滴、()、冰晶或他们的混合物组成的可见聚合体。
参考答案:过冷水滴
按要求完成句子。
1. Kate is taller than Ruth.(改为同义句)
Ruth is ________ Kate.
2. My home is half a kilometer from the school. His home is two kilometers from the school.(合并为一句)
His home is ________from the school than my home.
3. Is that Tara?(作否定回答)
No, ________ ________.
4. He has longer hair than Sam.(改为否定句)
He_________ ________ longer hair than Sam.
目前临床上多巴胺用于()。
A.急性肾衰竭,抗休克
B.心脏骤停,急性肾衰竭
C.支气管哮喘,抗休克
D.Ⅱ、Ⅲ度房室传导阻滞,急性心功能不全
E.支气管哮喘,急性心功能不全