乙酰COA不能转变为下列哪种物质() A.丙二酰COA B.胆固醇 C.乙酰乙酸 D

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问题:

乙酰COA不能转变为下列哪种物质()

A.丙二酰COA

B.胆固醇

C.乙酰乙酸

D.丙酮酸

E.脂肪酸

考点:北京住院医师公共卫生学Ⅰ阶段生物化学生物化学题库
题型:单项选择题

《汉书·食货志》载:“贫民常衣牛马之衣,而食犬彘之食。”材料反映了

A.农家生活自然祥和

B.土地私有制度的确立

C.小农生活的艰辛

D.牛耕的使用与推广

题型:单项选择题


"Culture shock" occurs as a result of total immersion in new culture. It (51) to "people who have been suddenly transplanted abroad. " Newcomers may be anxious (52) they do not speak the language, know the (53) , or understand people’s behavior in daily life. The visitor finds that "yes" may not always mean "yes", that friendliness does not (54) mean friendship or that statements that appear to be serious are really intended (55) jokes. The foreigner may be unsure as to when to shake hands or embrace, when to (56) conversations, or how to approach a stranger. The (57) of "culture shock" helps explain feelings of bewilderment and disorientation. Language problems do not account for all the frustrations that people feel. When one is (58) of everything that was once familiar, such as understanding a transportation system, knowing how to register for university classes, (59) knowing how to make friends, difficulties in coping with the new society may (60) .

A.but

B.nor

C.or

D.and

题型:单项选择题

中国的北洋军阀在一战中何时向德奥宣战?

题型:单项选择题

可变组成指数、固定构成指数、结构影响指数三者的关系可表述为()

A.可变组成指数=固定构成指数×结构影响指数

B.固定构成指数=可变组成指数×结构影响指数

C.结构影响指数=固定构成指数×可变组成指数

D.固定构成指数=可变组成指数÷结构影响指数

题型:单项选择题

导游员在公共场合或众目睽睽之下化妆,属于()行为。

A.失礼

B.为游客着想

C.职业

D.做作

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