肝脏所特有的生成酮体的酶是
A.HMGCoA还原酶
B.HMGCoA裂解酶
C.HMGCoA合成酶
D.β-羟丁酸脱羧酶
E.HMGCoA硫解酶
参考答案:B
You'd better ______ a taxi, or you'll be late. [ ]
A. take
B. taking
C. took
D. to take
液态石油生成的主要深度范围为()
A.小于1500m
B.大于8000m
C.1500〜4500m
D.4500〜8000m