某钢铁厂高炉炼铁的主要原料是焦炭,赤铁矿石(主要含Fe2O3)、空气等,主要反应过程如图所示:
请回答:
80>9×____ 82>____×9
某机械厂七月份生产零件50万个,第三季度生产零件196万个.设该厂八、九月份平均每月的增长率为x,那么x满足的方程是( )
Chen Yunlin said that the two sides across the Taiwan Straits would overcome the difficulties________they joined hands to find solutions and help each other.
A:What do you want to do in the future, Allen? B:I want to _ a Hope School to help students who are unable to go to school.