肾主纳气的主要生理作用是
A.肺之呼吸保持一定的深度
B.有助于元气的固摄
C.有助于精液的固摄
D.有助于元气的生成
E.有助于肺气的宣发
参考答案:A
根据句意及首字母提示完成句子。
1. Ed Smith has a great sports c_______. He has so many balls.
2. My father doesn't like playing sports. He only w_______ them on TV.
3.D_______he have a volleyball?
4. Peter p_______ soccer every day.
5. His grandmother h_______ a TV set in her room. She often(经常)watches TV.
钙通道阻滞药作用包括()
A.心脏负性变时作用
B.心脏负性变力作用
C.心脏负性变传导作用
D.扩张体血管作用
E.扩张冠状动脉作用