A.液体浸润固体时的附着层中
B.液体不浸润固体时的附着层中
C.密度较小的液体的附着层中
D.所有液体的附着层中
答案:B
Although Math is very difficult, you can't _____. [ ]
A. give in it
B. give it in
C. give up it
D. give it up
在萃取操作B.-S部分互溶物系中,溶质A组分的量越大,B.-S互溶度越()。