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【单选题】
基本的理想电路元件中,理想电阻的表示符号是:( )。
A.
R
B.
L
C.
C
D.
IS
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参考答案：
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【单选题】The level of lead contamination in United States rivers declined between 1975 and 19Federal regulations requiring a drop in industrial discharges of lead went into effect in 1975, but the major cause ...
A.
The level of lead contamination in United States rivers fell sharply in both 1975 and 1983.
B.
Most of the decline in industrial discharges of lead occurred before 1976, but the largest decline in the level of river contamination occurred between 1980 and 1985.
C.
Levels of lead contamination in rivers fell sharply in 1975 - 1976 and rose very slightly over the next nine years.
D.
Levels of lead contamination rose in those rivers where there was reduced river flow due to drought.
E.
Although the use of leaded gasoline declined 75 percent between 1975 and 1985, 80 percent of the decline took place in 1985.
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【多选题】列管式换热器的壳程内设置折流挡板的作用在于
A.
提高壳程流体的流速，使之流动形态为湍流
B.
增大壳程流体的流量
C.
保证管外流体能经过所有传热面积
D.
流体在折流挡板间穿行时，流向及流速都在不断变化，增加了扰动，强化了传热
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【简答题】A．Government can break into one's home without proper permission if necessary. B．Federal Constitution forbids surveillance in areas such as locker rooms or the employee lounge. C．Employers are forbidd...
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【单选题】Mr. Verenda Smith is most probably a ______ .
A.
governmental employee working at the Federation of Tax Administrators
B.
free-lance PR officer representing the Federation of Tax Administrators
C.
Federation of Tax Administrators employee dealing with the government
D.
PR officer running between the government and the Federation of Tax Administrators
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【多选题】马克思主义认识论认为,主体与客体关系的内涵包括( )
A.
价值关系
B.
认识关系
C.
实践关系
D.
主从关系
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【单选题】近代中国社会诸多社会矛盾中最主要的矛盾是( )。
A.
地主阶级和农民阶级的矛盾
B.
帝国主义和中华民族的矛盾
C.
资产阶级和无产阶级的矛盾
D.
封建主义和人民大众的矛盾
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【单选题】已知某电路的真值表如下,该电路的逻辑表达式为
A.
B.
C.
D.
D
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【多选题】马克思主义认识论认为,主体与客体关系的内涵包括( )
A.
实践关系
B.
认识关系
C.
价值关系
D.
主从关系
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【单选题】弗里德曼的持久收入理论认为消费跟谁相关?
A.
收入
B.
持久收入
C.
暂时收入
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【单选题】在列管换热器中，空气在管内被加热，饱和水蒸气在壳程冷凝。为提高空气出口温度，以下措施有效的是 （ ）。
A.
加大空气流量
B.
使两流体逆流流动
C.
壳程增加折流挡板
D.
提高饱和蒸气压强
查看完整题目与答案
相关题目：
【单选题】The level of lead contamination in United States rivers declined between 1975 and 19Federal regulations requiring a drop in industrial discharges of lead went into effect in 1975, but the major cause ...
A.
The level of lead contamination in United States rivers fell sharply in both 1975 and 1983.
B.
Most of the decline in industrial discharges of lead occurred before 1976, but the largest decline in the level of river contamination occurred between 1980 and 1985.
C.
Levels of lead contamination in rivers fell sharply in 1975 - 1976 and rose very slightly over the next nine years.
D.
Levels of lead contamination rose in those rivers where there was reduced river flow due to drought.
E.
Although the use of leaded gasoline declined 75 percent between 1975 and 1985, 80 percent of the decline took place in 1985.
查看完整题目与答案
【多选题】列管式换热器的壳程内设置折流挡板的作用在于
A.
提高壳程流体的流速，使之流动形态为湍流
B.
增大壳程流体的流量
C.
保证管外流体能经过所有传热面积
D.
流体在折流挡板间穿行时，流向及流速都在不断变化，增加了扰动，强化了传热
查看完整题目与答案
【简答题】A．Government can break into one's home without proper permission if necessary. B．Federal Constitution forbids surveillance in areas such as locker rooms or the employee lounge. C．Employers are forbidd...
查看完整题目与答案
【单选题】Mr. Verenda Smith is most probably a ______ .
A.
governmental employee working at the Federation of Tax Administrators
B.
free-lance PR officer representing the Federation of Tax Administrators
C.
Federation of Tax Administrators employee dealing with the government
D.
PR officer running between the government and the Federation of Tax Administrators
查看完整题目与答案
【多选题】马克思主义认识论认为,主体与客体关系的内涵包括( )
A.
价值关系
B.
认识关系
C.
实践关系
D.
主从关系
查看完整题目与答案
【单选题】近代中国社会诸多社会矛盾中最主要的矛盾是( )。
A.
地主阶级和农民阶级的矛盾
B.
帝国主义和中华民族的矛盾
C.
资产阶级和无产阶级的矛盾
D.
封建主义和人民大众的矛盾
查看完整题目与答案
【单选题】已知某电路的真值表如下,该电路的逻辑表达式为
A.
B.
C.
D.
D
查看完整题目与答案
【多选题】马克思主义认识论认为,主体与客体关系的内涵包括( )
A.
实践关系
B.
认识关系
C.
价值关系
D.
主从关系
查看完整题目与答案
【单选题】弗里德曼的持久收入理论认为消费跟谁相关?
A.
收入
B.
持久收入
C.
暂时收入
查看完整题目与答案
【单选题】在列管换热器中，空气在管内被加热，饱和水蒸气在壳程冷凝。为提高空气出口温度，以下措施有效的是 （ ）。
A.
加大空气流量
B.
使两流体逆流流动
C.
壳程增加折流挡板
D.
提高饱和蒸气压强
查看完整题目与答案
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