八年级英语下册U5-3 Language points.ppt

* 本课时主要是针对阅读材料中重点词汇、短语和句型的解释，教师可根据学生的预习情况来选择性讲解。为了引导学生自主学习，自行查找相关资料学习新单词，这里只针对部分词汇进行解释。 教师讲解时，建议采用归纳法，如尽可能多的呈现一些相关例句，或让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出词汇的意思和用法。 perform operations意思为“做手术”。operation是名词， “给某人做手术”还可以表达为give sb an operation或者perform / do an operation on sb。 On the plane, volunteer doctors perform operations. 在飞机上，志愿医生施行手术。 1. Dr Wang gave his mother an operation just now. 2. Dr Smith performed an operation on little Tom yesterday morning. 1. The doctor will operate on her next week. 2. The machine can be operated so easily. 3. Mr Wang operates a supermarket in Nanjing. operate作不及物动词，意为“ 开刀，做手术”。operate on sb意为“给某人做手术”；operate还可以作及物动词，意为“操作；经营”。 用operate的适当形式填空。 The doctors are _________ on the wounded soldier. 2. The doctors think his __________ very successful. 3. This young women ___________ a very big company. operating operation operates Many of our patients are so poor that they can’t afford to travel to hospital. 我们的很多病人是如此的穷，以至于他们没有去医院的钱。 1. I’m able to afford a new piano now. 2. The iPhone5 is too dear, so I can’t afford it. 3. We can’t afford to go abroad this summer. 4. The meeting affords much useful information to us. 解析： afford 作及物动词，可意为“买得起； 能做”，常与can, could 或be able to连用。 后面可接名词、代词或动词不定式，如 句1、2和3。 afford作及物动词，还可意为“提供，给 予”，后面可接双宾语，如句4。 根据汉语意思完成句子，每空一 词。 1. 他们不得不租房住，因为他们买不起 房。 They had to rent a house, because they couldn’t _______ ______. 2. 这棵树可以挡一挡太阳。 The tree can ______ _____ ________ against the sun. afford one afford to fight by 此处是介词，意思是“通过某种方法、手段”，后面接名词或动名词，例： You can know more about the news by reading today’s newspaper. 你可以看今天的报纸来更多地了解这 条消息。 By training local doctors and nurses, we hope to help even more people. 通过对当地的医护人员进行培训，我们希望能够帮助更多的人。 1. Tiangong 1 is used ______ a space laboratory. It will work in space for about 2 years. A. by B. for C. as D. of 2