1) The simplest form of motion a) One direction b) Vibrating c) Circular d) Wave 2) The motion that is regularly repeated a) transitional b) periodic motion c) train motion 3) when the body position doesn't change it will be ----- a) in state of motion b) at rest c) accelerating 4) I can run very fast means ---- a) cover a large distance in unit time b) cover a small distance in unit time 5) unit of measuring distance a) kilojoule b) kilogram c) kilometer d) hour

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?