题型:连词成句 Make sentences with the words. 组词成句。1. one minus is five four (.) 2. time is it what (?) 3. you apples bring can me two (?) 4. lamp on the desk the is (.) 查看答案
题型:单项选择题 重力为W的人乘电梯上升时,当电梯加速上升、匀速上升及减速上升时,人对地板的压力分别为P1、P2、P3,它们之间的大小关系为:()A.P1=P2=P3B.P1>P2>P3C.P123D.P12>P3 查看答案