如图所示,物体沿斜面匀速下滑的过程中,机械能在不断减小,分析可知,在此过程中该物体减少的机械能转化为 ____能.
I'd like _______ bowls of noodles. One is for myself and the other two are for my parents.
地震来临时,教室里的学生应采取的合理措施是( )