As you go through this book, you ________ that each of the millions of people who lived through World War II had a different experience.
A:will find
B:found
C:had found
D:have found
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( )
我市目前已全面开通了4G手机通信业务.使用4G手机不仅可以通话,还可以随时通过无线网络上网.下列说法正确的是( )
关于温度、热量、和内能,下列说法正确的是()