析晶过程分两个阶段,先()后()。
参考答案:成核,长大。
– This is _______ picture I told you about!
–I see. Isn’t it ________ beautiful one?
A.the; a
B.a; a
C.the ;the
D.a; the
热凝塑料在气压聚合时,水的沸点可达
A.90~100℃
B.100~110℃
C.110~120℃
D.120~130℃
E.130℃以上