The role of the party system in American politics has always been ______.
A. not dividing but a union
B. not to divide but to unite
C. a unity instead of dividing
D. unifying instead of a division
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--- “Did you see any foreigner present at the party?” ---“He was the only foreigner ______ I saw at the party.”
A. whom
B. that
C. who
D. which
-- “What of Micheal?” --“After tonight, he would never be the same man ______ he was before.”
A. what
B. who
C. as
D. but
肝合成内源性甘油三酯时,甘油部分的主要来源是
A. 酮体分解生成的丙酮
B. 磷脂分解产生的3-磷酸甘油
C. 葡萄糖分解生成的磷酸丙糖
D. 葡萄糖分解生成的乙酰辅酶A
E. 脂肪动员生成的游离甘油分子
关于脂肪酸合成代谢的叙述,正确的是
A. 脂肪组织是合成脂肪酸的主要场所
B. 合成过程主要是在线粒体中进行
C. 原料乙酰CoA主要来自糖代谢
D. 原料NADH提供还原当量
E. 肉碱脂酰转移酶I是脂肪酸合成的关键酶