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【单选题】
对于反应3H2(g)+N2(g)=2NH3(g),当其中H2(g)因反应消耗了0.3 mol时,其反应进度ξ等于( )
A.
-0.3 mol
B.
0.1 mol
C.
-0.1 mol
D.
0.3 mol
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举一反三
【单选题】Domestic noises may perhaps be controlled by______.
A.
good planning and technical improvement
B.
preventing fast motorcycles and heavy lorries from passing through residential districts
C.
being considerate and polite
D.
signing international agreements on the noise control measures
查看完整题目与答案
【判断题】辛亥革命是一次比较完全意义上的资产阶级民主革命
A.
正确
B.
错误
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【单选题】现存于英国伦敦大英图书馆和法国巴黎国立图书馆的( ),是现存世界上最早的原始状态的报纸。
A.
敦煌进奏院状
B.
开元杂报
C.
万历邸钞
D.
急选报
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【单选题】According to Greenspan, what is essential to the economic success of a country?
A.
Improvement in everyday life.
B.
Improvement in educational system.
C.
Lower wages and more working hours.
D.
More experienced workers and technicians.
查看完整题目与答案
【单选题】The word “enhancement” in line 20 is closest in meaning to
A.
replacement
B.
design
C.
improvement
D.
decoration
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【单选题】中国是世界上最早创办报纸的国家之一,早在唐朝就出现了当时的官方报纸“邸报”,然而中国近代报纸最早创办者是
A.
革命派
B.
洋务派
C.
维新派
D.
外国传教士
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【单选题】Which of the following is the best title for the passage?
A.
Family Doctor Is In.
B.
Improvement in Communications.
C.
How to Make Remote Diagnosis.
D.
Application of Telemedicine.
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【单选题】下列各点中，对辛亥革命的评价不正确的是()。
A.
辛亥革命是一次比较完全意义上的资产阶级民主革命
B.
它是中国人民救亡图存、振兴中华而奋起革命的一个里程碑
C.
它使中国发生了历史性的巨变，具有伟大的历史意义
D.
它实现了在中国建立一个独立、民主的资产阶级共和国的目的
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【多选题】关于活字印刷的说法，正确的有（）。
A.
世界上最早的活字印刷术是我国宋代毕舁发明的
B.
宋代出现了用木活字排印的《邸报》
C.
元代王祯所作《造活字印书法》是我国最早系统叙述木活字印刷的珍贵文献
D.
清代出版《古今图书集成》是我国历史上规模最大的一次铜活字印刷
E.
活字印刷在我国古代出版业中最终取代雕版印刷成为主流印刷技术
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【单选题】Read the sections 4.1 to 4.3 of the paper.Which of the following statements from 4.1 presents the central finding of the article?
A.
The coefficient on English language proficiency has the expected sign and is highly statistically significant.
B.
According to the estimates above, the effect on trade of a 20 percent increase in the product of TOEFL scores is roughly equivalent in magnitude to the effect of sharing a native language.
C.
Our results thus demonstrate that improvements in English proficiency, while typically not very large, can nevertheless significantly raise trade.
D.
Our estimates also suggest that improvements in English proficiency have the potential to substantially improve economic welfare
查看完整题目与答案
相关题目：
【单选题】Domestic noises may perhaps be controlled by______.
A.
good planning and technical improvement
B.
preventing fast motorcycles and heavy lorries from passing through residential districts
C.
being considerate and polite
D.
signing international agreements on the noise control measures
查看完整题目与答案
【判断题】辛亥革命是一次比较完全意义上的资产阶级民主革命
A.
正确
B.
错误
查看完整题目与答案
【单选题】现存于英国伦敦大英图书馆和法国巴黎国立图书馆的( ),是现存世界上最早的原始状态的报纸。
A.
敦煌进奏院状
B.
开元杂报
C.
万历邸钞
D.
急选报
查看完整题目与答案
【单选题】According to Greenspan, what is essential to the economic success of a country?
A.
Improvement in everyday life.
B.
Improvement in educational system.
C.
Lower wages and more working hours.
D.
More experienced workers and technicians.
查看完整题目与答案
【单选题】The word “enhancement” in line 20 is closest in meaning to
A.
replacement
B.
design
C.
improvement
D.
decoration
查看完整题目与答案
【单选题】中国是世界上最早创办报纸的国家之一,早在唐朝就出现了当时的官方报纸“邸报”,然而中国近代报纸最早创办者是
A.
革命派
B.
洋务派
C.
维新派
D.
外国传教士
查看完整题目与答案
【单选题】Which of the following is the best title for the passage?
A.
Family Doctor Is In.
B.
Improvement in Communications.
C.
How to Make Remote Diagnosis.
D.
Application of Telemedicine.
查看完整题目与答案
【单选题】下列各点中，对辛亥革命的评价不正确的是()。
A.
辛亥革命是一次比较完全意义上的资产阶级民主革命
B.
它是中国人民救亡图存、振兴中华而奋起革命的一个里程碑
C.
它使中国发生了历史性的巨变，具有伟大的历史意义
D.
它实现了在中国建立一个独立、民主的资产阶级共和国的目的
查看完整题目与答案
【多选题】关于活字印刷的说法，正确的有（）。
A.
世界上最早的活字印刷术是我国宋代毕舁发明的
B.
宋代出现了用木活字排印的《邸报》
C.
元代王祯所作《造活字印书法》是我国最早系统叙述木活字印刷的珍贵文献
D.
清代出版《古今图书集成》是我国历史上规模最大的一次铜活字印刷
E.
活字印刷在我国古代出版业中最终取代雕版印刷成为主流印刷技术
查看完整题目与答案
【单选题】Read the sections 4.1 to 4.3 of the paper.Which of the following statements from 4.1 presents the central finding of the article?
A.
The coefficient on English language proficiency has the expected sign and is highly statistically significant.
B.
According to the estimates above, the effect on trade of a 20 percent increase in the product of TOEFL scores is roughly equivalent in magnitude to the effect of sharing a native language.
C.
Our results thus demonstrate that improvements in English proficiency, while typically not very large, can nevertheless significantly raise trade.
D.
Our estimates also suggest that improvements in English proficiency have the potential to substantially improve economic welfare
查看完整题目与答案