题型:判断题 连词成句。1. older am I you than 2. She noodles to likes eat 3. a car has He 4. works a in She school 查看答案
题型:判断题 如图所示,一质量为m的木块从光滑的半球形的碗边开始下滑(不计空气阻力),在木块下滑到最低点的过程中( )A.它的加速度方向指向球心,同时机械增加B.它所受合力就是向心力,故所受合外力做功为零C.它所受向心力不断增大,但机械不变D.它对碗的压力不断减小,但机械不变 查看答案
题型:判断题 (2014·福建名校质量检查)The tanker,which was full of petrol,________and gave off heavy and dark flames the moment a truck knocked into it.A.blew up B.put upC.turned up D.brought up 查看答案