重点讲解：
1. have one's way 想怎样就怎样；随心所欲；
A wilful man will have his way to his own hurt.
固执己见的人往往因为一意孤行而给自己带来损害LM-ehVwmb%x6G_Q(U。
2. in response to 回复；回答；回应；
The product was developed in response to customer demand.
这种产品是为了满足顾客的需要而开发的(I&w4~)sJcR+&jG!xXD%。
3. at risk 有危险；冒风险；
As with all diseases, certain groups will be more at risk than others.
所有的疾病都是如此，一些人比另一些人更容易受到威胁OOxUapq.1o(IakL[a-An。
4. be used to sth./doing sth. 习惯于；
I'm not used to eating so much at lunchtime.
我不习惯午饭吃那么多ua^[]jNu4N.S1U#p。