相关简介
本课件为人教版高中英语必修三《Festivals And Celebrations》SectionD部分，共46页，通过互动探究方式系统讲解重点词汇represent与set off的用法，并深入分析as if引导方式状语从句和表语从句的关键句式，结合高考真题与实用例句，帮助学习者掌握节日相关英语表达与语用要点。
互动探究
重点词汇
1. represent vt. 象征；代表；相当于
(2020·全国Ⅱ) They represent the earth coming back to life and best wishes for new beginnings. 它们代表着大地的复苏和对新开端的美好祝愿。
Representing our school, I'm glad to tell you something about these activities. 我非常高兴代表我们学校告诉你们有关这些活动的一些事情。
She represents her mother as the kindest mother in the world. 她把她的妈妈描绘成世界上最好的妈妈。
Let me represent my ideas to you in an easy way in such an awkward atmosphere. 在如此尴尬的氛围下，让我用一种简单的方式向你说明我的想法。
Beijing Opera, a national treasure of China, is a representative of Chinese traditional culture. 京剧，中国瑰宝，是中国传统文化的代表。
2. set off 出发；动身；启程；引起；使爆炸
We set off at dawn so that we could get to the coast before lunch time. 我们黎明出发，以便午饭前到海边。
It is a tradition for the Chinese to set off firecrackers in order to increase festival atmosphere. 对于中国人来说放烟花增加节日气氛是一个传统。
That strike set off a series of strikes throughout the country. 那次罢工在全国引起了一系列罢工。
He set out to wash his car. 他开始洗车。
The girl has set about cleaning the room. 小女孩已开始打扫房间。
A fund will be set up for the dead men's families. 抚恤死者家属的基金会即将建立起来。
重点句式
After singing some songs, the competitors danced onto the green field, waving their arms in the air as if they were eagles. (教材P8) 几首歌唱毕，选手们开始在绿地上翩翩起舞，他们挥动着双臂，宛如雄鹰。
句式剖析： as if = as though，意为“仿佛；好像”，既可以引导方式状语从句，也可以引导表语从句。
1. It looks as if you are tired. 看起来你好像累了。
2. She loves the boy as if she were his mother. 她爱这男孩，好像她是他的母亲一样。
3. The young man with long hair looks as if he were a girl. 那个长发的男青年看上去像个女孩似的。
4. It looks as if it is going to rain. You'd better take an umbrella with you. 看样子天要下雨，你最好带把伞。（可能性大，天真要下雨。）
5. He opened his mouth as if he would say something. 他张开嘴好像要说什么。
