1) Maglev train Depends on a) Attraction force b) Repulsion force 2) Engineers used the power of........ to make trains  a) Light b) Magnet 3) Hard ware of computer includes  a) Monitor b) Google Chrome 4) Soft ware of computer includes a) Mouse b) Programs

Transportation ,computer system

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?