合成胆固醇的限速酶是
A.HMG-CoA合酶
B.HMG-CoA裂解酶
C.HMG-CoA还原酶
D.硫解酶
参考答案:C
对于反应A2 (g)+ 3B2(g)2C(g),以下表示其化学反应速率最快的是( )
A.v(A2) =0.4mol/(L•s) B.v(B2) =0.8mol/(L•s)
C.v(C) =0.6mol/(L•s) D.v(B2) =4.2mol/(L•min)
A proposal has been put forward at a recent video conference _______ measures be taken to raise the citizens’ awareness of traffic safety.
A.that
B.as
C.when
D.which