下面对自凝树脂的性能描述正确的是
A．脆性大
B．环境温度越高固化越快
C．残余单体量较多
D．一般在面团期塑形
E．颜色稳定性差
参考答案：B,C,E
－Can you tell me Kitty’s address.
－I don’t know, either. But I’ll tell you her address as soon as she ______ to me.
A．writes
B．write
C．wrote
D．written
在目标优化中，目标系统中存在的多个目标应该具有什么样的关系？
