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【简答题】
设非空集合 满足:当 时,有 .给出如下命题:①若 , 则 ;②若 ,则 ;③若 ,则 ;④若 , 则 .其中所有正确命题的序号是.
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【单选题】在我国,认定恐怖组织的标准包括:曾组织、策划、煽动、实施或参与实施恐怖活动,或正在组织、策划、煽动、实施或参与实施恐怖活动;();建立恐怖活动基地,或有组织招募、训练、培训恐怖分子;与其他国际恐怖组织相勾结,接受其他国际恐怖组织资助、训练、培训,或参与其活动。
A.
支持恐怖活动
B.
资助、支持恐怖活动
C.
声援、支持恐怖活动
D.
声援恐怖活动
【简答题】listen to the following five short recording from 13-17 which talk about the use of technology in recruitment. For each recording, decide what recommendation the speaker makes concerning technology in...
【单选题】"Cars are not as safe as they used to be. They're more fuel-efficient, more environmentally sound, and better at surviving a 5 m.p.h. collision. But none of that adds up to safety." Does the speaker o...
A.
Yes
B.
No
【判断题】51钢中的奥氏体转变成马氏体时会产生很大的相变应力,是由于马氏体的比容大于奥氏体。( )
A.
正确
B.
错误
【单选题】高渗性缺水与低渗性缺水临床表现的主要鉴别点是()
A.
手足麻木
B.
口渴明显
C.
视力模糊
D.
恶心、呕吐
E.
脉压减小
【单选题】Please Listen to the following TED talk and answer the questions followed. (2分17秒-3分08秒) The speaker worked with other scientists to analyze earth climate observations. In 1981,they published an artic...
A.
observed warming of 0.4 degrees Celsius in the prior century was consistent with the greenhouse effect of increasing CO2
B.
That Earth would likely warm in the 1980's, and warming would exceed the noise level of random weather by the end of the century
C.
T he 21st century would see shifting climate zones, creation of drought-prone regions in North America and Asia, erosion of ice sheets, rising sea levels and opening of the fabled Northwest Passage
D.
All of these impacts have since either happened or are now well under way
【单选题】What else did the speaker learn in addition to the things he learned from history and Spanish classes?
A.
He learned how to read assigned textbooks.
B.
H e learned h ow to get meaning from texts.
C.
He learned how to go over every single word in reading.
【多选题】恐怖症包括()
A.
社交恐怖症
B.
特殊恐怖症
C.
广场恐怖症
D.
语言恐怖症
【单选题】高渗性缺水与低渗性缺水临床表现的主要鉴别点是()
A.
手足麻木
B.
口渴明显
C.
视物模糊
D.
恶心、呕吐
E.
脉压减小
【简答题】听下面一段材料,回答第1至4题。 1. What's the speaker mainly talking about? [     ] A. His school life. B. His family. C. His brother. 2. How does the speaker like his brother? [     ] A. Naughty. B. Honest. C. Depe...
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