Unit 2 Making a Difference Words and expressions 第一部分课件-2023-2024学年高中英语外研版（2019）必修第三册

Unit 2 Words and expressions第一部分 Learning objectives: After the class, you will be able to 1. learn to guess the meanings according to the context. 2. master the key words and expressions and learn to use them for writing. 1. contribution n. Guess the meanings. 1) He made a very positive contribution to the success of the project. 2) The old man made a contribution of $100 to the church. 3) This is a magazine with contributions from well-known travel writers. 贡献 捐款 稿件 1) We contributed $5000 to the earthquake fund. 2) She contributed a number of articles to the magazine. 3) Immigrants have contributed to American culture in many ways. 4) His carelessness contributed to the serious traffic accident. 捐赠 投稿 做贡献 导致 make a contribution to contribute to 1) 我们敬佩爱迪生，因为他为世界做出了巨大贡献。 _______________________________________________ We admire Edison a lot because he made a great contribution to the world. 2. relief n. relieve v.减轻，缓解 relieved adj.感到欣慰的 to one’s relief 令某人欣慰的是 in/with relief 如释重负，松了口气 relieve sb of sth 帮某人减轻 be relieved to do 放心做某事 1) Being able to complete the task at last seem _______________(relieve) her. 2) Having finished all the housework, Mary dropped herself into the sofa, sighing with ____________(relieve). 3) __________________(令我欣慰的是), the car was not damaged. 4) 听说自己通过了考试，他松了口气。 ________________________________________________ to relieve relief Much to my relief Hearing that he had passed the exam, he sighed in relief. 3. shortage n.缺乏，不足 There is a shortage of 缺乏 short adj. be short of 缺乏 be short for 是······的缩写 in short 总之，简言之 1) There is a desperate _____________(short) of fresh water in the disaster area. 2) PRC _____________________(是······缩写) the People’s Republic of China. 3) ___________________(总之), I think we should praise him for his contributions to the community. shortage is short for In short 4. effective n.有效的 effect n. have an effect on 对······有影响 come into effect 开始实施 =take effect put/bring sth into effect 使······生效 1) The loca