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【单选题】
AT89C51单片机的P2口具有（ ）功能。（ ）A.
除了可作通用I/O口使用，可作地址/数据总线口使用。
B.
除了可作通用I/O口使用，可作地址总线口使用。
C.
除了可作通用I/O口使用，可作低八位地址总线口使用。
D.
只能作为I/O口使用。
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【单选题】Which is the best definition of the yin/yang philosophy?
A.
The Chinese principle best known to Westerners.
B.
Shady and sunny mountain slopes.
C.
A dialectic that defines the dynamic between a wide range of opposing pairs.
D.
Dark and light, wet and dry, male and female, weak and strong, etc.
【单选题】The best definition for the word unfortunates is ______.
A.
those who have no facial hair
B.
those who are unlucky
C.
very young people
D.
very poor people
【单选题】对保险合同中免除保险人责任的条款，（）
A.
保险人不需要特别说明
B.
保险人应当在投保单等相关凭证上做出足以引起投保人注意的提示即可
C.
保险人只需要做出特别的说明即可
D.
保险人应当在投保单等相关凭证上做出足以引起投保人注意的提示，并对该条款的内容以书面或者口头形式向投保人作出明确说明
【判断题】《中国铁路上海局集团有限公司旅客遗失物品管理办法》(上铁客〔2017〕456号)规定：站车工作人员发现或接到其他旅客交来的遗失物品后，应及时交受理点工作人员（动车组列车应交列车长）。
A.
正确
B.
错误
【单选题】Which is the best definition of the yin/yang philosophy?
A.
The Chinese principle best known to westerners.
B.
Shady and sunny mountain slopes.
C.
A dialectic that defines the dynamic between a wide range of opposing pairs.
D.
Dark and light,wet and dry,male and female,weak and strong,etc.
【单选题】Which of the following is the best definition of "causal mechanism"?
A.
the way in which explanations work
B.
the best method of forming a hypothesis
C.
an interface between a cause and effect
【单选题】The best definition of 'biosphere'. as it is used in the text is.
A.
the protective envelope formed by the atmosphere around the living earth
B.
that part of the earth and its atmosphere in which life can exist
C.
the living things on earth whose existence is made possible by circulation of the atmosphere
D.
the circulation of the atmosphere's contribution to life on earth
【简答题】请结合自己的生活经历与体会,从建筑与人的关系的角度,并以具体建筑为例简要说明,我们需要什么样的建筑室内环境?
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