以下各项中关于价格歧视说法正确的是() A.价格歧视也叫差别定价 B.价格歧视一般可

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问题:

以下各项中关于价格歧视说法正确的是()

A.价格歧视也叫差别定价

B.价格歧视一般可以分为四类

C.第一类价格歧视又叫完全价格歧视

D.第二类价格歧视是指企业按不同的价格出售不同批量单位的产量,而且价格因人、因量而异

E.第三类价格歧视是指不同的购买者规定不同的价格

考点:中级经济基础知识经济师中级经济基础知识
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生物圈中的某种生物一旦绝灭,一般就不可能恢复了。                (    )

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美丽的蝴蝶是由“毛毛虫”变成的,那么“毛毛虫”与“蝴蝶”分别处于发育的哪个阶段?

A.幼虫、卵

B.蛹、若虫

C.若虫、成虫

D.幼虫、成虫

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根据句意和提示写出单词,完成句子。

小题1:Guilin is a very beautiful city in the s       of China. How I want to go on a trip there!

小题2:What’s the   of China? It’s about 1.4 billion. China has the most people in the world.

小题3:Never forget your own country w       you go in the future.

小题4:C      with the past, our life today is much better.

小题5: —I don’t know what to do w_______ my computer. It doesn’t work well again!

—Why not ask Mr Jiang for help? He is a computer engineer.

小题6:After a terrible earthquake, food, water and     (帐篷) are needed most.

小题7:For thousands of years, the Great Wall has been the     (骄傲)of all the Chinese people.

小题8:You don’t like eating snacks and I don’t like eating snacks,      (也).

小题9:The special boots can prevent astronauts from    (漂浮) away into space.

小题10:On the moon we could      (容易)jump much higher than on the earth.

小题11:Tian’anmen Square is the biggest square in the world and is often     (fill)with tourists.

小题12:Neil Armstrong got his student       (pilot) licence at the age of 16.

小题13: Last year our school held the 12th School Art and Culture Festival and it was a big     (success)

小题14: Thomas Edison was one of the greatest      (invent) in the world.

小题15:He made up his mind to explore places that were   (know) to humans today.

题型:多项选择题

耳硬化骨导听力曲线呈V形下降常在哪个频率,可参照图回答()。

 

A.250Hz

B.500Hz

C.1000Hz

D.2000Hz

E.4000Hz

题型:多项选择题

妊娠早期合并重症肝炎 ( )

A.继续妊娠

B.先终止妊娠

C.治疗肝炎

D.治疗肝炎的同时终止妊娠

E.治疗肝炎好转后终止妊娠

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