试题与答案

“四十年前会上逢,南湖泛舟语从容。.济南名士知多少,君与恩铭不老松。”这是董必武同志

题型:单项选择题

题目:

“四十年前会上逢,南湖泛舟语从容。.济南名士知多少,君与恩铭不老松。”这是董必武同志于20世纪60年代写的一首诗。诗中“四十年前会上逢”指的是()

A.中共“一大”

B.中共“二大”

C.八七会议

D.遵义会议

答案:

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参考答案:C解析:史密斯的观点是:国际珍稀动物保护条例的保护对象中,应当包括杂种动物。其根据是:《国际珍稀动物保护条例》的保护对象中,包括赤狼。赤狼是杂种动物。既然赤狼明显需要保护,所以一般地,杂种...

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     [2] In this research, almost 1,000 university students from 12 campuses in 10 countries, including

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     [3]The research also found students used "nearly the same words to describe their reactions when they were away from the media". These included emotions such as confusion,anxiety, insecurity, jealousness,

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     [4] Professor Susan Moeller, who led the research, said technology had changed the students'

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palpitations (心悸). Technology provides the social network for young people today and they have spent their entire lives being 'plugged in ' . "

1.What's the main idea of the text? (no more than 10 words)

____________________________________________________________________________

2.How will most students feel if they keep away from technology for 24 hours? (no more than 9 words)

________________________________ ____________________________________________

3.Fill in the blank in Paragraph 2 with proper words. (no more than 4 words)

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4.What does the underlined word "These" in Paragraph 3 probably refer to? (no more than 10 words)

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5.Complete the following statement with proper words. (no more than 2 words)

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题型:单项选择题 案例分析题

已知发电机额定电压10.5kV,额定功率20MW,功率因数0.8,最大负荷利用小时Tmax=3200h。发电机引出线三相短路电流数据为I″=28kA,Itk/2=22kA,Itk=20kA。短路电流冲击系数为1.8。继电保护动作时间为0.1s,断路器全开断时间为0.2s。三相母线水平布置,绝缘子跨距1.2m,相间距离0.7m,周围环境温度28℃。以此为条件,回答下列问题。

所选导体(2×(80×8)的铝矩形母线)计算短路时最高工作温度;()。

A.100℃

B.150℃

C.65℃

D.90℃

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