多数药物的氧化在（），由（）促使其实现。
参考答案：肝脏，肝微粒体酶
—Which sign means ‘No eating or drinking’?
—______. [ ]
A. B. C. D.
His experience of life will have some effects ____his job he will have. [ ]
A.on
B.for
C.to
D.with
B. 
C. 
D. 