良好的固相控制是用好阳离子聚合物钻井液的必备条件，所以应重视固控设备的配备和使用。
参考答案：对
—I’m always afraid of giving a speech in front of the class. —____ You can do it well.
A．I’m sorry to hear that.
B．Take it easy.
C．You are too nervous.
D．Good luck.
Intel 8086 CPU中计算物理地址时，给定的段寄存器中数是3816H，有效地址是4000H，则它的物理地址是 ( )
A．10160H
B．30160H
C．3C160H
D．42160H
