题目

--Frank, could you please tell me ____?--She is a policewoman.A. where your mother is B. why is your mother hereC. what your mother is D. how your mother is 答案：【答案】C【解析】句意：——弗兰克，你能告诉我你妈妈在是什么职业吗？——她是一名警察。考查宾语从句。根据could you please tell me，应是结构tell sb sth告诉某人某事，所以横线处是tell后的宾语从句，应该用特殊疑问词+陈述句式。根据答语She is a policewoman可知应该是询问职业，用特殊疑问词what，故菱形具有而矩形不一定具有的性质是                               (    )A．对角线互相垂直B．对角线相等C．对角线互相平分D．对角互补