1、Unit 1 Stay HealthyLesson 2: A Visit to the DentistI. Learning aims:Master the new words: dentist, refuse, toothache, rotten, fortunately, headset, aching, German, wolf II. Learning important and difficult points: 1）Im really afraid of going to the dentist.2）I had no choice but to go with her.3）She
2、saw right away that I was scared and told me not to worry.4）Before I knew it, my aching tooth was fixed.Language Points:1. refuse【用法】作不及物动词，意为“拒绝、回绝”，后面的动词可用不定式形式。【举例】We invited him to our party, but he refused. 我邀请他参加我们的聚会，但他拒绝了。She refused to travel with us. 她拒绝和我们一起去旅行。【用法】作及物动词，意为“拒绝给予”，后加名词或代词作
3、宾语。【举例】The United States has refused him a visa. 美国拒绝给他发放签证。2. Im really afraid of going to the dentist. 我真的害怕去看牙医。【用法】句式be afraid of 意为“害怕”，后加名词、代词、动名词作介词of的宾语。【举例】My little sister is afraid of cats. 我的小妹妹怕猫。Tony is afraid of coming out at night. 托尼害怕在晚上出来。【拓展】句式be afraid to do 意为“害怕做某事”；另，be afrai
4、d 后还可加宾语从句，意为“恐怕”。【举例】Danny is afraid to stay at home alone. 丹尼害怕独自呆在家里。We are afraid that we cant finish all the work today. 我们恐怕今天不能完成所有的工作。3. I had no choice but to go with her. 我没有别的选择只有和她一起去了。【用法】句式have no choice but to do表示“别无选择只能做”，注意but后的动词要用不定式形式。【举例】They had no other choice but to work hard. 他们没有别的选择只有努力工作。
