鉴别α-去氧糖的反应是
A.K-K反应B.Ravmond反应C.Hcl-Mg粉反应D.Liebermann-Burchard反应E.Gibb反应
参考答案:A
将下列各句改写为同义句,每个空格只填写一个单词。
1. A: What a pleasant trip it was!
B: ________ ________ the trip was!
2. A: My mother is not as tall as I am now.
B: I am ________ ________ my mother now.
3. A: Daniel learned how to make a home page by himself.
B: Daniel ________ ________ how to make a home page.
4. A: I like Science. I also like History.
B: I like Science. I like History ________ ________.
5. A: Daniel has poor eyesight because he works too much on the computer.
B: Daniel has poor eyesight ________ ________ working too much on the computer.
会议的具体功能有哪些()
A、发扬民主
B、科学决策
C、联络感情
D、推动工作