磷酸毗醛素是细胞的重要组成部分，可视为由磷酸形成的酯，其结构式如下，下列有关叙述不正确的是 (　　 )_刷题宝

题干

磷酸毗醛素是细胞的重要组成部分，可视为由磷酸形成的酯，其结构式如下，下列有关叙述不正确的是 (　　 )

A：能与金属钠反应

B：能使石蕊试液变红

C：能发生银镜反应

D：1 mol该酯与NaOH溶液反应，最多消耗 3 mol NaOH

上一题下一题 0.0难度选择题更新时间:2017-03-02 10:10:09

答案(点此获取答案解析）

D

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104. --- What do you do in the theatre?
--- I ____ plays.

同类题2

下列各句中没有语病的一句是（）

同类题3

根据对话内容从方框中选择能填入空白处的最佳选项补全对话

A: Hey, Gao Hui! ____

B: Yes. I received it last night.

A: What did she talk about in the email?

B: Lots of English ways of life.

A: ____Could you tell me some?

B: Sure. In England people have afternoon tea.

A: What's afternoon tea?

B: ____ English people not only drink tea but also eat small cakes.

A: Great! I love cakes. ____

B: OK! English people drive on the left-hand side of the road, and they can drive at the age of seventeen

A: Wow! ____

A. That's interesting!

B. I wish I were English.

C. Did you receive Cindy's email?

D. It's not just a drink but a light meal at around 4 pm.

E. Can you give me another example of the English way of life?

同类题4

水流速度较急的河流是____（填字母），判断的理由是____。

同类题5

阅读判断。

This is my day

I am a doctor. I work at night. I go to work at 6:30 p. m. I eat dinner at 9:30. I usually go home at 8:00 in the morning. After breakfast, I go to bed at 9:10 a. m. I usually get up at 2:30 in the afternoon. I eat lunch at 3:00 in the afternoon. Then I play sports at 4:00 in the afternoon.

This is my day. I enjoy my life.

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