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【简答题】
以下是唐代诗人的《回乡偶书二首》： 其一：少小离家老大回，乡音无改鬓毛衰。儿童相见不相识，笑问客从何处来。 其二：离别家乡岁月多，近来人事半消磨。惟有门前镜湖水，春风不改旧时波。你从诗中看到哪些东西变化了，哪些东西没有发生变化？
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反馈参考答案：
举一反三
【多选题】M odified g insenoside M1 is the metabolite of ginsenosides , , and by intestinal bacteria.
A.
R d
B.
Rb 1
C.
Rb 2
D.
Rc
【单选题】The human body can absorb some _____ that's made by intestinal bacteria.
A.
thiamin
B.
vitamin K
C.
riboflavin
D.
vitamin A
【单选题】Vitamin B 12 deficiency results in serious disease. This vitamin is not made by plants or animals and can be synthesized only by a few species of microorganisms. It is required by healthy people in on...
A.
1
B.
2
C.
3
D.
5
【单选题】Antibiotics can not only kill pathogenic microorganisms, but also kill normal intestinal bacteria and the active components of microecologic agents, making the preparation ineffective. Therefore, the ...
A.
1
B.
2
C.
3
D.
4
E.
5
【单选题】Intestinal bacteria(肠道菌群) can grow in the presence of __________ whereas nonintestinal bacteria are usually inhibited.
A.
bile salts
B.
low concentration of various dyes
C.
sugars
D.
low levels of nitrogen
【简答题】What is Jane's study strategy in lectures?
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