精馏过程既包括传热过程也包括传质过程。（）
参考答案：对
既能补肾助阳，又能祛风除湿的药物是
A．补骨脂
B．益智仁
C．淫羊藿
D．巴戟天
E．沙苑子
No outlet on a fire hydrant may point above the horizontal in order to（）.
A.avoid kinking the hose
B.avoid personal injury during connection
C.make connecting easier
D.prevent spray on electrical equipment
