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【多选题】
低压控制电器主要用来接通、断开线路和用来控制电气设备,包括( )。
A.
刀开关
B.
电磁启动器
C.
低压断路器
D.
减压启动器
E.
继电器
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举一反三
【单选题】According to the passage the effect of the incident was only discussed in ______.
A.
the Internet
B.
schools
C.
media
D.
classrooms
【单选题】Which of the following statements is FALSE according to the passage?
A.
The increasingly interconnected modern world makes it much more difficult for small language communities to live in relative isolation.
B.
Whether most minority languages survive will probably depend on how strongly cultural groups wish to keep their identity alive through a native language.
C.
In all respects technological innovations do not help minority languages to survive in the modern world.
D.
Language is not just a tool for communicating, but also a powerful way of separating different groups, or of demonstrating group identity.
【单选题】In Chile, where Darwin saw earthquakes and volcanoes, he began to see what must have happened. The centre of the earth, he decided, was very hot. The surface of the earth was thinner in some places. I...
A.
Earthquakes and volcanoes.
B.
Coral and coral islands.
C.
Bodies of millions of tiny creatures.
D.
Fossils.
【简答题】()作为生命的特征是指任何生命都是唯一的,不可替代的。
【单选题】对放射疗法不敏感的恶性肿瘤有
A.
淋巴肉瘤
B.
睾丸肿瘤
C.
乳癌
D.
食管癌
E.
胃腺癌
【判断题】在稀盐水溶液中,若离子半径大,能阻碍水形成网状结构,这类盐溶液比纯水的流动性大。
A.
正确
B.
错误
【单选题】为了调查某企业员工的幸福感状况,从男性中抽取100名员工调查,从女性中抽取60名员工调查,这种调查方式是
A.
简单随机抽样
B.
等距抽样
C.
分层抽样
D.
整群抽样
【单选题】我国()券别上曾经出现过武汉长江大桥?
A.
第二套二角券
B.
第三套二角券
C.
第四套二角券
D.
第五套二角券
【单选题】Which of the following is NOT true according to the passage?
A.
The non-Chinese speaking interviewer might ask the questions which have already been asked by the Chinese and hence cause confusion.
B.
It is more practicable to start an interview with a few fairly standard questions in English before switching to Chinese.
C.
The best procedure of an interview would seem to be beginning in Cantonese and then testing English proficiency.
D.
The Chinese interviewee often politely compliments the foreign interviewer if he or she speaks Cantonese even if it is not actually so good in the interview.
【单选题】According to the professor, which of the following causes the evolution of a gas cloud into a star?
A.
The internal gravity of the cloud.
B.
The thermal pressure of the cloud.
C.
The interplay between the above two factors.
D.
The lifetime of the gas cloud.
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