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【单选题】
已知在相同的温度和压强下，任何气体的体积和分子数成正比。在1体积空气中混入1体积二氧化碳，在高温下跟足量的焦炭反应，假设氧气和二氧化碳都转化为一氧化碳，则反应后气体中一氧化碳的体积百分含量约是A.
33.3%
B.
50%
C.
67%
D.
75%
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皮皮学刷刷变学霸
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【单选题】Famed singerSteve Wonder can't see his fans dancing at his concerts. He can't see the hands of his audience as they applaud wildly at the end of his Superstition. Blind from birth, Wonder has waited h...
A.
He thought Mark's device might recover his eyesight.
B.
He thought Mark might need his help in developing the device.
C.
He thought Mark might want to listen to his Superstition.
D.
He thought Mark might implant a chip into his right eye.
【单选题】Look _____________ that tall tree. Tom is _____________ it, but we can't see him. [ ]
A.
at, in
B.
on, on
C.
at, on
【多选题】土地管理即土地管理制度，是国家对全国（或某一区域）的土地权属、地籍、土地利用、土地市场和土地税费等在宏观上进行管理、监督和调控的制度、机构和手段的总称。土地管理的范围，包括全部土地资源，涉及到所有土地利用单位。主要内容有：
A.
地籍管理
B.
土地权属管理
C.
土地利用管理
【简答题】庭审质证时,双方当事人要针对证据的 、 、 进行质疑与辩驳。
【单选题】—Tom can’t find his gloves. Are these blue gloves his? —No, they ______ be his. His gloves are black.
A.
must
B.
may
C.
can’t
D.
mustn' t
【多选题】成本与费用的区别有()。
A.
计算期不同。费用的计算期与会计期间相联系，产品成本一般与产品的生产周期相联系
B.
计算依据不同。费用的计算是以直接费用、间接费用为依据确定。产品成本是以一定的成本计算对象为依据
C.
作用不同。费用指标分析其比重，了解结构变化从而加强费用管理等。产品成本指标，一是反映物化劳动与活劳动的耗费，二是资金耗费的补偿，三是检查成本和利润计划，四是表明企业工作质量的综合指标
D.
对象不同。费用的计算是按经济用途分类，产品成本的计算对象是产品
【单选题】Famed singer Stevie Wonder can't see his fans dancing at his concerts. He can't see the hands of his audience as they applaud wildly at the end of his Superstition. Blind from birth, Wonder has waited...
A.
He thought Mark's device might give him the ability to see.
B.
He thought Mark might need his help in developing the device.
C.
He thought Mark might want to listen to his Superstition.
D.
He thought Mark might implant a chip into his right eye.
【单选题】____annoy Tom any more ,Can't you see his terrifying face?
A.
No
B.
Don’t'
C.
Not
D.
Do
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