八脉交会穴中与冲脉脉气相通的为
A.内关
B.外关
C.公孙
D.足临泣
参考答案:C
下列反应的离子方程式正确的是( )
A.Cl2通入水中:Cl2+H2O=2H++Cl-+ClO-
B.大理石和盐酸反应:CO32-+2H+=H2O+CO2↑
C.硫酸铜溶液和氢氧化钡溶液:Ba2++SO42-=BaSO4↓
D.铁与稀硫酸反应:Fe+2H+=Fe2++H2↑
travel can broaden your mind , I don’t think it’s a good idea to spend too much time and money on it .
A.If
B.While
C.Because
D.As