英语四级真题中 why 引导的从句

This could be one reason why they gained more weight.

这可能是他们体重增加的原因之一。

The UK Health Secretary said, "This is clearly a cultural problem, and probably one that exists in many parts of the world. But we can make efforts to change that now. We want to persuade males to think about career options of going into nursing. There is absolutely no reason why men can't go into this profession."

英国卫生大臣说：“这显然是一个文化问题，而且可能是存在于世界许多地区的一个问题。但是我们现在可以努力去改变它。我们想要说服男性考虑从事护理工作的职业选择。绝对没有理由为什么男性不能进入这个职业。”

Safety concerns have been one of the biggest reasons why the country has lost over half a billion in revenue already in the first six months of 2016.

安全担忧一直是该国在2016年前六个月已经损失超过5亿收入的最大原因之一。

Only about one-in-five say women's family responsibilities are a major reason why there aren't more females in top leadership positions in business and politics.

只有大约五分之一的人说女性的家庭责任是为什么在商界和政界高层领导职位中没有更多女性的一个主要原因。

This cycle is the reason why people rest at night and are active during the day.

这个循环是人们在夜间休息且在白天活动的原因。

In other words, there's a reason why people like to gamble.

换句话说，人们喜欢赌博是有原因的。

What is the main reason why the author hates tipping?

作者讨厌给小费的主要原因是什么？

Is there any reason why you went to Nottingham University?

你去诺丁汉大学有任何原因吗？

The association is concerned about the effects this trend will have on their trade and suggests three reasons why it is happening.

该协会担心这一趋势将对其贸易产生的影响，并提出了这种情况发生的三个原因。