慢性心力衰竭药物治疗常用药物（）
A.利尿剂
B.钙离子拮抗剂
C.ACE抑制剂
D.洋地黄
E.抗心律失常药
参考答案：A, C, D
根据句意和首字母提示写出单词。
1. I would like a hot / cold d________.
2. Rice and carrots are h________ food.
3. There is some r________ in the bowl
4. Have you got a f________ in your home? It can keep food fresh. (新鲜).
5. Are you thirsty (渴)?There is some w________ in the bottle.
如图所示为电磁选矿机的示意图，漏斗M中装的是矿石，电磁铁固定在转筒内，当矿石从漏斗经转筒落入A、B两容器时，落入A中的是______落入B中的是______，（选填“铁磁性物质”或“非铁磁性物质”）．其原因是______．
