动脉属于（）涩脉属于（）
A.浮脉类
B.沉脉类
C.迟脉类
D.数脉类
E.虚脉类
参考答案：D,C
某种商品经过两次降价，由每件100元调至81元，则平均每次降价的百分率是（ ）
A．8.5%
B．10%
C．9.5%
D．9%
67. Many countries have sent up man-made communication satellites to _____ the earth, which is made possible for each household to use TV.
A．move
B．round
C．circle
D．Go
