对于颗粒粒径0.1mm的颗粒,可用()进行颗粒分析。
A、筛分法
B、沉降分析法
C、比重计法
D、移液管法
参考答案:A
根据句意及首字母提示完成句子
1. M__________ he goes the wrong way.
2. He has made many famous r__________.
3. A__________, he finished his homework.
4. My sister wants to find a p__________ job to make more money.
5. Mary wants to be an a__________ when she grows up.
6. My father can play an I__________.
7. This music is very p__________.
8. They have never been to any c__________.
房间隔缺损的主要病理生理改变是()动脉导管未闭的主要病理生理改变是()
A.右心室容量负荷增加
B.左心室容量负荷增加
C.右心室阻力负荷增加
D.左心室阻力负荷增加
E.左右心室容量负荷均增加