四、treat的小结：
treat多指“治疗”活动，强调动作过程。这种治疗包括外伤，可以指药物治疗，亦可指非药物治疗。treat只能作及物动词，其宾语可以是人或动物，亦可以是疾病。如:表达“治疗某人某病”，须用treat sb for disease结构。treat sb 常指如何对待某人； treat sb as sth 把某人当做什么来对待；treat sb to sth 招待某人吃什么；treat oneself to sth 是treat sb to sth 的变体，即用什么来招待自己，或是享受什么。treat还可作名词。用作名词的意思是“乐趣,愉快的事”。可用作可数名词,也可用作不可数名词。
五、treat的即学即练：
选择题：
1）他用水果招待我们
误：she treated her guests with fruit.
正：She treated her guests to fruit.
treat sb. to sth. 用……招待某人
2）医生在为他治疗心脏病。
误：the doctor was treating her with heart trouble.
正：The doctor was treating her for heart trouble.
3 ) Some skin diseases are difficult to treat.
A heal B remedy C treat D cure
有些皮肤病很难医治 。
用英语表达下列句子：
4) 时间会治疗烦恼。
Time healed most troubles.
5) 很多年以后这个城市才开始处理污水。(污水：sewage)
It was many years before the city began to treat its sewage.
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