下图中实验操作正确的是: [ ]
A.
B.
C.
D.
答案:B
I still remember the winter()we went to Harbin to see the ice-lamp.
A.which
B.why
C.whose
D.when
君相火旺证的遗精特征是()
A.无梦而遗,甚滑泄不禁
B.遗精时作,热涩不畅
C.劳则遗精
D.少寐多梦,梦则遗精