下列除哪项外，均是心悸的病机()
A．心神不宁
B．肺失清肃
C．心失所养
D．气血阴阳亏虚
E．邪扰心神
参考答案：B
—__________ do you exercise?
—I exercise three times a week. [ ]
A. How often
B. How many days
C. How usually
D. How much
下列属于静止气象卫星的是（）。
A.NOAA
B.GOES
C.EOS
D.GMS
