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【单选题】
关于活性炭的说法不正确的是
A.
与粉末活性炭相比,颗粒活性炭的吸附速率更快
B.
活性炭是以含碳为主的物质经高温碳化和活化而成;
C.
活性炭的再生方法主要包括加热再生法和药剂再生法
D.
活性炭本身是非极性的,却能吸附一些非极性物质。
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参考答案:
举一反三
【单选题】When Franklin D. Roosevelt was elected President of the United States in 1932, not only the United States but also the rest of the world was in the throbs of an economic depression. Following the term...
A.
Stock prices were recovering slowly.
B.
The nation was in a deep depression.
C.
There were 12 million unemployed workers.
D.
The nation needed help from the federal government.
【单选题】刘迪,6岁,在北京幼儿园学习绘画数年,1989年夏天,某机构组织儿童绘画展,刘迪的画被选中参展,并获得一等奖,得奖金1000元。此时刘迪父母已离异,其母张某为刘迪的监护人,刘迪之父每月给刘迪100元抚养费。1000元奖金应归( )所有。
A.
刘母
B.
刘父
C.
幼儿园
D.
刘迪
【单选题】圣家堂的设计师安尼 高迪,是()国人。
A.
匈牙利
B.
牙买加
C.
西班牙
D.
喀麦隆
【单选题】刘迪,6岁,在北京某幼儿园学习绘画数年。某年夏天,某机构组织儿童绘画展,刘迪的画被选中参展并获得一等奖,得奖金5000元。此时刘迪父母已离异,其母张某为刘迪的监护人,刘迪之父每月给刘迪1000元抚养费。奖金应归谁所有?( )
A.
刘母
B.
刘父
C.
幼儿园
D.
刘迪
【单选题】The name 'United Nations', coined by United States President Franklin D. Roosevelt, was first used in the Declaration by United Nations of 1 January 1942, during the Second World War, when representat...
A.
It was aimed to reinforce the international cooperation on telecommunication.
B.
Franklin D. Roosevelt, the late former President of United States, ordered to establish it.
C.
It aimed to unite nations in Europe to fight together during the First World War.
D.
It was officially formed at the end of the Second World War.
【单选题】迪斯康特与圣咏、奥尔加农的区别在于
A.
有旋律
B.
有伴奏
C.
有节奏
D.
单声部
【单选题】When Franklin D. Roosevelt was elected President of the United States in 1932, not only the United States but also the rest of the world was in the throes of an economic depression. Following the term...
A.
Stock prices were recovering slowly.
B.
The nation was in a deep depression.
C.
There were 12 million unemployed workers.
D.
The nation needed help from the federal government.
【单选题】When Franklin D. Roosevelt was elected President of the United States in 1932, not only the United States but also the rest of the world was in the throes of an economic depression. Following the term...
A.
Stock prices were recovering slowly.
B.
The nation was in a deep depression.
C.
There were 12 million unemployed workers.
D.
The nation needed help from the federal government.
【单选题】刘迪,6岁,在北京某幼儿园学习绘画数年。2013年夏天,某机构组织儿童绘画展,刘迪的画被选中参展并获得一等奖,得奖金5000元。此时刘迪父母已离异,其母张某为刘迪的监护人,刘迪之父每月给刘迪1000元抚养费。奖金应归谁所有?( )
A.
刘母
B.
刘父
C.
幼儿园
D.
刘迪
【单选题】迪斯康特声部附加在格里高利圣咏的()。
A.
上方
B.
下方
C.
上下方皆有
D.
与奥尔加农声部相同
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