At this point, that problem is just ________. It's not important any more.A.water
A.water under the bridge
B.hit the road
C.go up in smoke
D.spill the beans
A.water under the bridge
B.hit the road
C.go up in smoke
D.spill the beans
A.s
B.c
C.f
D.a
A.p[0].x=1.0; p[0].y=2.0;
B.p[100].x=1.0; p[100].y=2.0;
C.p.x=1.0; p.y=2.0;
D.p.x[0]=1.0; p.y[0]=2.0;
A thin rod is uniformly charged (Q, L). How much is the electric potential for point P in the figure? (3 significant numbers)
A、struct POINT{ public double x;//横坐标 public double y;//纵坐标 } POINT[] p; p=new POINT[100];
B、struct POINT{ public double x;//横坐标 public double y;//纵坐标 } POINT p[100];
C、struct POINT{ public double x;//横坐标 public double y;//纵坐标 } POINT p[]=new POINT[100];
D、struct POINT{ public double x;//横坐标 public double y;//纵坐标 } POINT p=new POINT[100];
As shown in the figure , two coherent waves with wavelengthmeet at point P. The initail phase of the wave isat point, and the distance form pointto point P is. The initial phase of the wave isat the point, and the distance form pointto point P is. Let k to be zero, positive or negative integer, then the condition for point P is the maximum interference is ().
A、
B、
C、
D、
已知有如下类Point的声明: class Point { int x,y; public: Point(int px=0,int py=0); Point(Point &p); }; Point::Point(int px,int py):x(px),y(py) { cout<<’(’<> <<","<> <<’)’; } point::point(point &p) { x="p.x;" y="p.y;"> <<","<> <<’)’; } 若执行以下语句,将会输出 。 point p1(10,5),p2(p1),*pt; pt="new" point; delete pt;>
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