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【单选题】
关于资源税的说法，正确的是（ ）。A.
资源税立法原则是选择产品征收，实行普遍调节
B.
进口金属原矿的私营企业属于资源税纳税人
C.
纳税人开采或者生产的资源税应税产品自用于连续生产资源税应税产品的，也要缴纳资源税
D.
资源税纳税人不能准确提供应税产品销售数量的，以应税产品的产量或主管税务机关确定折算比换算成的数量为课税数量
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【简答题】已知int i;float f;,下列正确的语句是() A.(int f)%i; B.int(f)%i; C.int(f%i); D.(int)f%i;
【单选题】Diesel engines are considered safer than gasoline engines because ______．
A.
They are more heavily built
B.
The fuel used is less volatile
C.
They can be easily reversed
D.
They operate at a lower speed
【简答题】You ought to drive very cautiously on such a ______ day. (fog)
【单选题】Some diesel engines are supercharged with a （）
A.
slam charger
B.
turbocharger
C.
fuel atomizer
D.
fuel injector
【单选题】In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.
stop your engines
B.
sound the danger signal at two-minute intervals
C.
hold course and speed until the other vessel is sighted
D.
take avoiding action as soon as possible
【单选题】Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine _____.
A.
camshaft beatings
B.
main bearings
C.
piston crowns
D.
cylinder walls
【单选题】All diesel engines are classified as（）.
A.
four cycle
B.
compression ignition
C.
vacuum ignition
D.
external combustion
【单选题】When you experience and observe your inflection point, you should stop your career at once.
A.
Y
B.
N
C.
NG
【简答题】下长坡连续使用行车制动会导致什么？
【单选题】Diesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.
A.
cooling water
B.
compressing air
C.
compressed air
D.
cylinder oil
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