题目

 She didn’t come to his birthday party just ______what he had said to her the day before. A. because            B. because of         C. as result of         D. thanks for 答案：B要从10名女生和5名男生中选出6名学生组成课外兴趣小组，如果按性别依比例分层随机抽样，则组成此课外兴趣小组的概率为（　　）A．C410C25C615B．C310C35C615C．A615A616D．A410A25C615