可用于凝块稳定性试验的是()
A.5mol/L尿素溶液
B.0.9%氯化钠溶液
C.1%乙酸
D.2%单氯乙酸溶液
E.10mol/L尿素溶液
参考答案:A
水火共制法有()
A.炙
B.蒸
C.淬
D.潬
E.煨
They were living in an age_____ women had no right to give voice to their views.
A.which
B.that
C.when
D.whose