冷流性
参考答案:
生胶或未硫化胶在停放过程中因为自身重量而产生流动的现象。
9的算术平方根是[ ]
A.3
B.±3
C.9
D.±9
___ interesting the action movie is! Yes, I want to see it once again.
A.What
B.What an
C.How
D.How an