confuse 指"把事物混淆或弄乱"或"由于混淆、混乱而糊涂"，语气较弱，常指暂时现象。

【练习】选择puzzle或confuse并用其适当的形式填空。

①What he did _________ me greatly.

②They asked me so many questions that they _________ me.

③I am always _________ salt with sugar.

④The patient's illness _________ the doctor; and he couldn't find the cause.

Keys: ①puzzled ②confused ③confusing ④puzzled

3）debate/argue/discuss/quarrel v. 辩论，争论

【解释】

debate就已经确定或统一的问题各述己见，公开、正式的争论，含交锋的意思；

argue指提出理由或事实，试图在争辩中说服对方，或促使他人拥护自己倡导的理由或观点；

discuss指一般讨论，谈论；

quarrel常指因琐事而感到气愤，进行争吵。

【练习】选择debate/argue/discuss/quarrel并用其适当的形式填空。

①The couple are always _________ about the past.

②Have you _________ the problem with anyone?

③I _________ with her all day about the situation.

Keys: ①quarreling ②discussed ③argued

4）influence/affect/effect v/n. 影响

【解释】

affect着重影响一个人的感情或健康，也指事物受到影响；