高一英语unit 3 computers（续）人教实验版知识精讲.docVIP

高一英语Unit 3 Computers（续）人教实验版 【本讲教育信息】 一. 教学内容： Unit 3 Computers（续） 1. 重点单词短语用法讲解 2. 课文难点句解析 3. 本单元语法讲解 二. 知识总结与归纳： 单元内容简介：继续了解学习计算机和信息技术的优缺点，合理使用信息技术的产物。 三. 重点讲解与归纳： 1. What are the advantages and disadvantages of each one? advantage:反义词是disadvantage 1） 优点,优势 It’s an advantage if you know a foreign language. His kindness gives him an advantage over other people. 2) 利益，好处 There will be no advantage in waiting here. 3) have the advantage of sb. 比某人强，占上风 4) take advantage of … Try to take full advantage of this book. 5) be of advantage to… 对……有利 advantageous: adj. 有利的 2. Decide which type of IT is best for you to use right now. type: 类型 a type of +单数名词 （无限定次） a type of car 一种汽车 a new type of car 一种新型汽车 types of + 单/复数名词+ 复数谓语动词 Some new types of computer(s) are being used now. 注：血型：blood types 3. Write a report about your choice. choice: 选择 1）have no choice but to do…别无选择只能做…… I have no choice but to wait for the bus. 2) at one’s own choice 随意地，任意地 You can buy anything at your own choice. 3) of one’s own choice 自选的，自挑的 The result is not so nice, but it is of my own choice. 4. material: 材料，原料 [c, u] 资料 [u] 5. About once a year, we are allowed to get together to play a football game. once: 一次 Once more 再一次 Once in a while 偶尔，有时 Once and again 三番五次 allow: 允许 Allow sb. to do sth. Allow doing sth. I will never allow this kind of thing to happen again. We don’t allow smoking here. 6. On the football team, I’m a striker. on: 作为……的一员 I used to be on our school basketball team. On还可以表示为……工作，属于…… Which side are you on in the game? 7. I need to shout in computer language to my teammates to give me the ball when I’m open and have a good shot for a goal. need: 半情态动词 1）情态用法 need do ----Need I go there? ----No, you needn’t. 2) 实义用法 need to do ----Do you need to finish the work? ----Yes, I do. 3) need doing= need to be done These flowers need watering. (=to be watered.) in computer language: in +语言，表示用某种语言 Can you say all these words in English? open:无人防守