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【单选题】
给定如下JAVA代码,编译运行,结果将是( ) public class Sample{ public double result(double d1,double d2){ return d1A.
3.0 , 4.0, 1.0
B.
2.0,4.0, 1.0
C.
3.0, 4.5, 1.0
D.
-1, 4.0, 1.0
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举一反三
【简答题】他 热衷于 玩游戏 。 ( be big on )
【简答题】他 热衷于 玩游戏.
【简答题】简述小学教育科学研究遵循的原则
【单选题】The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the （）
A.
expansion of the combustion gases
B.
exhaust and intake valves just closing
C.
maximum compression is just being attained
D.
fuel injection occurring at that point and combustion begins
【单选题】Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）
A.
increase engine power
B.
increase engine load
C.
decrease engine power
D.
improve fuel economy
参考解析：
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