一Sara.Let's go to the playground to watch the basketball game!
一Good idea! I wonder which group will win.
A:plan
B:remember
C:want to know
内燃机工作过程中,关于能量转化的下列说法中错误的是( )
已知Zn2+的4s轨道和4p轨道可以形成sp3型杂化轨道,那么ZnCl42-的空间构型为( )