长期大量服用维生素A会引起中毒。中国营养学会提出维生素A的每日可耐受最高摄入量是__

题型:单项选择题

问题:

长期大量服用维生素A会引起中毒。中国营养学会提出维生素A的每日可耐受最高摄入量是______μgRE。

A.600

B.8000

C.1000

D.2000

E.3000

考点:公共营养师营养师基础知识公共营养师基础知识
题型:单项选择题

行车中遇有非机动车准备绕过停放的车辆时,应怎样做?

A、鸣喇叭示意其让道
B、让其先行
C、加速绕过
D、紧随其后鸣喇叭

题型:单项选择题

下列说法错误的一项是______。

A.垄断市场的销售量比完全竞争市场高
B.垄断造成巨大的福利损失
C.垄断产生规模经济
D.垄断必须以法律形式予以禁止

题型:单项选择题
Making a public speech is the thing that most people don’t want to do. The reason is that we are all afraid of making mistakes in front of others. The more important the speech is, the more frightened we will be. But forget it now. Public speaking is easy. It’s just a simple talking, Although I’m a shy man, I’ve been making speeches and talking on radio and television for more than 30 years. Anybody who can talk can speak in public. Here are some of the lessons I have learned:
Keep your speech simple. Your audience can’t take all of your main ideas, and they can only remember one or two of them, not ten or twenty. So you should prepare one or two of your main ideas very well. But if you can’t express what you want to say, then your speech will not be paid attention to. And if you don’t have a clear idea of what you want to say, your audience won’t, either.
Organize your speech well. No matter how long or short your speech is, you have to organize your speech—how you are going to open or begin, what main points you want to make and how you’re going to close or end. A strong close is usually very important and critical(关键的): the last thing you say is what your audience will most likely remember. If not, they will be confused.
Keep your speech not long. The standard (标准的) length of a speech is usually 12 minutes. Most people can’t put their minds in one thing for too long time, which will make them tired and lose their interest. If you pay no attention to your audience’s reaction(反应),the audience will get bored. Of course, your speech will fail.
Following these suggestions above, you can make a good speech in public, and you will be an excellent speaker, I think.
Title: How to make a    小题1:  speech
Technique
Reasons
Requirements
Keep it simple
You should think about your idea well enough
小题2:  one or two of your main ideas well.
If you have a    小题3:  idea of what you want to say, your audience will have, too.
Organize it well.
You should get your speech well    小题4:
Know very well about the
小题5: ,main points and ending of the speech
If you don’t, the    小题6: will be confused.
Keep it    小题7:
Your speech should be short enough to attract your audience’s attention and    小题8: .
Make your speech as short as  小题9: .
If you don’t, the audience will feel    小题10: .
题型:单项选择题

婴儿在2岁后能够分辨“好人”和“坏人”。

题型:单项选择题

清末民初诗人樊增祥、易顺鼎被冠以‚中晚唐诗派‛的原因是()

A.其诗风近于中唐李贺

B.其诗风近于晚唐温李

C.其诗风近于晚唐杜牧

D.其诗风近于中唐孟郊晚唐贾岛

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