猜你喜欢
- 1一列火车长300m,如果某人与火车同向而行,那么经过18s整列火车从该人身旁驶过;如果该人与火车相向而行,那么经过15s整列火车从该人身旁驶过,求该人和火车的速度.
- 2( ) (Is) that (your shirt?) No,it's (Mike.)快
- 3i have an eraser.改为否定句
- 4There is a park near my home.
- 5It's selfevident that no one would have time to know everything __going on in the world.
- 6不而而而而而不而已而已而,加标点后并解释
- 7You can't get good grades -----(没有)hard work
- 8can,they ,some,paper,chains,make.连词成句
- 9以变化为题写作文600字左右
- 10氨与水的反应(化学方程式)