题目

在Fe3O4中，若含铁元素的质量相同，则二者的质量比是                (   ) A．3:2        B．1:1      C．29:30    D．29:42 答案：CThe young man was___________ with breaking ___________  several jewelry shops.A．charged...intoB．to charge...inC．charging...onD．charges...to