脱位的特有体征是_______、_______、________。
参考答案:畸形;弹性固定;关节空虚
—_________ are you going to have your birthday party?
—You know,my birthday is on June 23.On that day, of course. [ ]
A. When
B. Where
C. Who
D. How
热塑性塑料的使用温度都在Tg以下,橡胶的使用温度都在Tg以上()