与精液液化有关的酶是()
A.柠檬酸脱氢酶
B.LDH
C.ACP
D.纤维酶
E.ALP
参考答案:D
—Let's play computer games.
—That ____ interesting. [ ]
A. looks
B. sounds
C. listens
D. reads
冷冻的解析气主要成分是()。
A、氢气
B、氮气
C、氩气
D、氨气