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【简答题】
物质的量为 5 mol 的理想气体混合物,其中组分 b 的物质的量为 2mol ,已知在 30 °C 下该混合气体的体积为 10 dm3, 则组分 b 的分压力 Pb=_________kPa, 分体积 Vb =________dm3 。 备注:第一空填整数、第二空填小数
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举一反三
【单选题】Obviously television has both advantages and disadvantages. In the first place, television is not only a convenient source of entertainment, but also a cheap one. With a TV set in the family people do...
A.
To arouse the reader's happiness.
B.
To introduce the theme of the whole passage.
C.
To summarize the whole passage.
D.
To sate the complete bad uses of TV.
【简答题】针对《建筑工程质量与安全管理》课程,安全模块分为( )、( )、( )、( )及( )5个子模块。
【简答题】某一齿条传动机构中，与齿条啮合的齿轮齿数Z＝40，模数M＝2mm，试当齿轮转2转时，齿条的移动距离是多少？解：∵周节∴
【单选题】Obviously television has both advantages and disadvantages. In the first place, television is not only a convenient source of entertainment, but also a cheap one. With a TV set in the family people do...
A.
To amuse the reader's happiness.
B.
To introduce the theme of the whole passage.
C.
To summarize the whole passage.
D.
To sate the complete bad uses of TV.
【单选题】男, 53岁,2个月来间歇性无痛性全程血尿,近3天来加重伴有血块,B型超声双肾正常,膀胱内有1.5 cm×2.0 cm×1.0 cm新生物,有蒂。为明确诊断最重要的检查方法是
A.
尿常规
B.
CT
C.
膀胱镜检查
D.
静脉尿路造影
E.
尿脱落细胞检查
【简答题】针对《建筑工程质量与安全管理》课程,质量模块分为( )、( )、( )、( )、( )、( )及( )7个子模块。
【单选题】Obviously television has both advantages and disadvantages. In the first place, television is not only a convenient source of entertainment, but also a comparatively cheap one. With a TV set in the fa...
A.
To arouse the reader's concern.
B.
To introduce the theme of the whole passage.
C.
To summarize the whole passage.
D.
To state the primary uses of TV.
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