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【单选题】
在注视向一个方向运动的物体之后,如果将注视点转向静止的物体,那么就会看到静止的物体似乎向相反的方向运动,这就是
A.
B.
诱发运动
C.
自主运动
D.
运动后效
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参考解析:
知识点:
.
..
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【判断题】要做放大镜的效果,如图所示,需要两张一样的位图,但是有一张要放大一点,并设置其遮罩对象为椭圆。
A.
正确
B.
错误
【单选题】两危险点的应力状态如图,且【图片】,由第四强度理论比较其危险程度,有如下答案,正确答案是( )【图片】
A.
( a )应力状态较危险
B.
( b )应力状态较危险
C.
两者的危险程度相同
D.
不能判断
【简答题】Describe briefly the location of the U.S. What are the three most important rivers in America? Please tell the names of the Great Lakes in North America. Introduce briefly the two long continuing migr...
【简答题】Describe briefly the history of Chinese cooking?
【简答题】Describe briefly the drilling sump and the treatment system for field treatment of sump fluid.
【简答题】Describe briefly the drilling sump and the treatment system for field treatment of sump fluid.
【简答题】Describe briefly the process of Southern blot hybridization.
【简答题】Describe briefly the historical development of second language acquisition.
【简答题】Describe briefly the nature of a swap and its primary component.
【单选题】如下程序的输出结果是 main( ) {float x=2.0,y if(x<0.0) y=0.0 else if(x<10.0) y=1.0/x else y=1.0 cout<<y<<endl }
A.
0.000000
B.
0.250000
C.
0.500000
D.
1.000000
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