霎时____ 昂首____ 颤动____ 宽阔____ 平静____
Most parents forbid their children_______ much time ______ TV. They think it's a waste of time.
近年来因酒后驾车引发的交通事故不断攀升,驾驶员酒后驾车易发生重大车祸的主要原因是过量饮酒导致( )
(2015•丹东)关于运动场上涉及到的物理知识,下列说法正确的是( )