The basketball game was invented by a Canadian doctor James Naismith.
A:was called
B:to call
C:named
D:calling
如图所示,放在M、N两水平桌面上的P、Q两物体,分别在FP=5 N、FQ=3 N的水平拉力作用下做匀速直线运动,可以确定( )
读“亚洲范围略图”判断下列说法正确的是( )