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【单选题】
短周期元素 X、Y、Z、W、Q的原子序数依次增大,且只有一种金属元素.其中X与W处于同一主族,Z元素原子半径在短周期中最大(稀有气体除外),W、Z之间与W、Q之间原子序数之差相等,五种元素原子最外层电子数之和为21,下列说法正确的是 ( )
A.
Y的简单离子半径 小于 Z的简单离子半径
B.
Z最高价氧化物对应的水化物分别与X、Y最高价氧化物对应的水化物反应生成1mol水放出的热量相同
C.
C . Y的简单气态氢化物在一定条件下可被Q单质氧化
D.
Q可分别与X、Y、Z、W形成化学键类型相同的化合物
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参考答案：
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【简答题】CNC系统的控制部分包括
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【简答题】CNC系统的控制软件一般包括哪几部分?简述各部分的主要功能。
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【判断题】Spheroidizing is to improve the machinability of the annealed hypoeutectoid steel by producing a spheroidal or globular form of a carbide in a ferritic matrix which makes the machining easy.
A.
正确
B.
错误
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【单选题】Researchers at Children' s Hospital of Pittsburgh announced they had discovered ______ evidence that a virus is involved in what used to be called juvenile diabetes.
A.
incessant
B.
compelling
C.
identical
D.
problematic
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【判断题】青年的价值取向,既关系着自己的健康成长,又决定着未来整个社会的价值取向。
A.
正确
B.
错误
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【单选题】Western juries have traditionally found eyewitness testimony to be the most convincing evidence in criminal trials. Seeing is believing, as the saying goes. In numerous cases, when witnesses pointed t...
A.
always a reliable evidence
B.
the most convincing evidence
C.
sometimes a distortion of people's perception
D.
a recording of visual input
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【单选题】Wilkins Micawber is a character in the novel ______ , an eternal optimist who, despite evidence to the contrary, continues to have faith that something will turn up.
A.
Great Expectations
B.
David Copperfield
C.
Oliver Twist
D.
A Tale of Two Cities
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【简答题】In a hypoeutectoid steel,both eutectoid and proeutectoid ferrite exist.Explain the different between them.What will be the carbon concentration in each.
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【单选题】Which of the following statements is not true according to this article?
A.
You see evidence of companies' different DNAs in the ways they react to risks and opportunities.
B.
One company might be patient enough to allow a new strategy to evolve while another panics when returns don't start coming quickly or positively enough.
C.
Usually when people talk of DNA they're raising questions of corporate culture.
D.
HP has the best company’s culture.
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【单选题】This passage mainly deals with Hitler's ______.
A.
impact on our thinking about good and evil
B.
crimes in World War Ⅱ
C.
racial convictions
D.
importance in world history
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相关题目：
【简答题】CNC系统的控制部分包括
查看完整题目与答案
【简答题】CNC系统的控制软件一般包括哪几部分?简述各部分的主要功能。
查看完整题目与答案
【判断题】Spheroidizing is to improve the machinability of the annealed hypoeutectoid steel by producing a spheroidal or globular form of a carbide in a ferritic matrix which makes the machining easy.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Researchers at Children' s Hospital of Pittsburgh announced they had discovered ______ evidence that a virus is involved in what used to be called juvenile diabetes.
A.
incessant
B.
compelling
C.
identical
D.
problematic
查看完整题目与答案
【判断题】青年的价值取向,既关系着自己的健康成长,又决定着未来整个社会的价值取向。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Western juries have traditionally found eyewitness testimony to be the most convincing evidence in criminal trials. Seeing is believing, as the saying goes. In numerous cases, when witnesses pointed t...
A.
always a reliable evidence
B.
the most convincing evidence
C.
sometimes a distortion of people's perception
D.
a recording of visual input
查看完整题目与答案
【单选题】Wilkins Micawber is a character in the novel ______ , an eternal optimist who, despite evidence to the contrary, continues to have faith that something will turn up.
A.
Great Expectations
B.
David Copperfield
C.
Oliver Twist
D.
A Tale of Two Cities
查看完整题目与答案
【简答题】In a hypoeutectoid steel,both eutectoid and proeutectoid ferrite exist.Explain the different between them.What will be the carbon concentration in each.
查看完整题目与答案
【单选题】Which of the following statements is not true according to this article?
A.
You see evidence of companies' different DNAs in the ways they react to risks and opportunities.
B.
One company might be patient enough to allow a new strategy to evolve while another panics when returns don't start coming quickly or positively enough.
C.
Usually when people talk of DNA they're raising questions of corporate culture.
D.
HP has the best company’s culture.
查看完整题目与答案
【单选题】This passage mainly deals with Hitler's ______.
A.
impact on our thinking about good and evil
B.
crimes in World War Ⅱ
C.
racial convictions
D.
importance in world history
查看完整题目与答案
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