单选题：Mr．Smith has bought a lot of books for his daughter,______

题目内容：

Mr．Smith has bought a lot of books for his daughter,______ he? A．hasn' t
B．didn' t
C．doesn' t

参考答案：

答案解析：

What are they talking about?

What are they talking about?A．About milk. B．About a film. C．About a song.

分类：公共英语一级题型：单选题

What happened to the man?A．He passed the exam. B．He failed the exam. C．He will p

分类：公共英语一级题型：单选题

下列各项对各指标应用法则的描述，错误的是（　　）。A．在盘整局面，PSY的取值应该在以50为中心的附近，下限和上限一般定为25和 75。PSY取值在25～25说

分类：公共英语一级题型：单选题

分类：公共英语一级题型：单选题

标的物现价为179.50，权利金为1.35、执行价格为177.50的看跌期权的时间价值为（　　）。A．-2 B．-0.25 C．1.35 D．1.1

分类：公共英语一级题型：单选题