长为L的轻杆,一端固定一个小球,另一端固定在光滑的水平轴上,使小球在竖直面内做圆周运动,关于小球在最高点的速度v,下列说法中正确的是
( ) (6) We have two dogs. One is white, ___________ is black. A. other B. others C. the other
( )(5) --- What animals do you like?--- I like ___________. A. rabbit B. fish C. a bird
( ) (4)They don’t have sweets. A. some B. anyC. a
( ) (3)The rabbit hastail. A. a short B. a big C. a long
( ) (2)My animal friends have no legs arms. A. or B. and C. with