VC悬浮聚合在VC沸点以上温度于密闭反应皿中进行用观察釜内的压力降就可判断聚合反应的进程和终点。
参考答案：对
"益火之源，以消阴翳"，属于下列何种治法
A．阴病治阳
B．热者寒之
C．阴中求阳
D．阳病治阴
E．虚者实之
—I'm sorry I didn't make it to your party last night. — ______. I know you're busy these days.
A. Of course B. No kiddingC. That's all right D. Don't mention it
