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【单选题】
下列单位出售的矿产品中,不缴纳资源税的是( )。A.
油田销售的人造石油
B.
开采单位销售自行开采的煤矿
C.
油田出售自行开采的天然气
D.
盐场销售自行开采的卤水
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皮皮学刷刷变学霸
举一反三
【简答题】一个算法的时间复杂性是算法 的函数。
【单选题】In a diesel engine, offers the heat energy directly; works as working medium and changes the heat energy to mechanical energy.
A.
the burning of the fuel; medium shaft
B.
fuel spray; fresh air
C.
fuel; fuel spray
D.
the burning of the fuel; the burned gas mixture
【单选题】In a diesel engine, an integral liner is one in which the cooling water __________Iflows through the cylinder liner jackets Ⅱ.touches the outer side of the liner
A.
I only
B.
Ⅱ only
C.
both I and Ⅱ
D.
neither I and Ⅱ
【单选题】One result of operating a diesel engine at light load with excessively low cooling water temperature is a/an .
A.
decrease in ignition lag
B.
increase in fuel economy
C.
reduction in lube oil viscosity
D.
increase in cylinder misfiring
【简答题】Technician A says that the ignition system in a diesel engine uses an ignition coil to increase the low voltage of the battery t0 20,000 volts or more in order to create a spark across the spark plug ...
【简答题】80年代散文的特色与价值。
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