单选题:听下面一段对话,回答题。 What are the speakers mainly talking about? 题目分类:公共英语二级 题目类型:单选题 查看权限:VIP 题目内容: 听下面一段对话,回答题。 What are the speakers mainly talking about? A.Doing research. B.Looking for a job. C.Choosing a college major. 参考答案: 答案解析:
Where are the speakers? Where are the speakers? A.At the man' s home. B.In the man's office. C.At the ra 分类:公共英语二级 题型:单选题 查看答案
一支田径队有男运动员48人,女运动员36人.若用分层抽样的方法从该队的全体运动员中抽取一个容量为21的样本,则抽取男运动 一支田径队有男运动员48人,女运动员36人.若用分层抽样的方法从该队的全体运动员中抽取一个容量为21的样本,则抽取男运动员的人数为_______. 分类:公共英语二级 题型:单选题 查看答案