夏天到了,阿姨送你一条裙子,她说:Here's a nice dress for you.
Swimming is my favorite sport.There is________like swimming as a means of keeping fit.
一物体由静止开始沿光滑斜面匀加速下滑距离为L时,速度为v,当它的速度是v2时,它沿斜面下滑的距离是( )
下列口号中最早明确地把反对帝国主义和反对封建主义的斗争联系在一起的是( )