题目

下列分子中所有原子都满足最外层8电子结构的是(    ) A．BF3               B．H2O                   C．SiCl4                D．PCl5 答案：解析：BF3中B原子最外层只有6个电子；H2O中H原子最外层只有2个电子；PCl5中P原子最外层有10个电子。答案：CMy suggestion is that you ________ much meat.A．wouldn't takeB．shall not takeC．not haveD．won't have