您要查找的是不是：
- What are the causes and risks of AIDs? 艾滋病的原因是什么?它有怎样的危险?
- What Are the Causes of the Argentine Crisis? 阿根廷经济危机的根源究竟何在?
- What are the causes of the pollution? 污染的原因?
- What were the causes of these events? 这些事件的原因是什么呢？
- What are the causes of more trading disputes? 引起更多争端的原因是什么?
- What are the causes and solutions, if any, for poverty? 贫穷的原因是什么，有什么解决的方法？
- What was the cause of his fright? 他为什么害怕?
- What was the cause of the accident? 造成这一事故的原因是什么?
- What was the cause of these misunderstandings? 这些误解的原因是什么?
- And what was the cause of the accident? 为什么会出意外?
- What are the duties of a traffic warden? 街道停车管理员的职责是什麽?
- What are the causes of the widening gap? What do you think are the best solutions to these problems? 这些你应该去了解,自己平时多思考这些问题
- What are the chief exports of your country? 你们国家有哪些主要的出口物品？
- What was the cause of the accident ? 造成这一事故的原因是什么?
- What was the cause of the quarrel? 这场口角的起因是什么?
- What was the cause of the flood? 这场火灾的起因是什么?
- Do you know what was the cause of the bleeding? 您知道出血的原因吗?
- What are the dimensions of the box? 这个盒子的尺寸是多少?
- What are the common causes of insomnia? 是什么原因导致失眠呢?
