英语人教版九年级全册Unit6 SectionB 3a--Selfcheck.doc

类别课时要点重点词组1. decide on决定，判定 2. come up with想到，想起 3. lead to导致 4. all the sudden突然 5. use someone elses idea借用其他人的想法 重点句式1. This special pen was invented by Liu Jie. 这个特殊的钢笔是由刘杰发明的。2. Its hard to tell who came up with the idea first. 很难断定谁先想到这个主意。3. They think the inventor used someone elses idea to create his or her inventions. 他们认为发明家是借用其他人的想法来创造自己的发明。I. 知识目标II. 课堂环节Review the expressions and sentences. 1. 成为奥运会的比赛项目2. 把分开3. 阻止某人做某事4. 钦佩；仰慕 5. 鼓励某人做某事6. 实现他们的梦想7. 人们相信历史上第一次篮球比赛是在1891年12月21日。8. 他被要求想出一种能在冬季玩的比赛。9. 他将班里的人分成两队并教给他们玩这个新游戏。10. 同时他们需要阻止竞争队将球投入自己的篮筐。11. NBA中外国球员数量有所增加，其中也包括中国球员。12. 很多年青人钦佩这些篮球英雄们，并想像他们一样。Tell the development of the basketball.3a WritingThink of something that you do not like to do. Then think of an invention that could help you. Make notes. l Problem: _l New invention: _l What it is used for: _3b Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. This special pen was invented by Liu Jie. It has three colors and is used for .常用句型： 1. I think is a very useful invention. 我认为是一项很有用的发明。2. was invented by 是由 (某人)发明的3. was invented in 是在 (某时间)发明的 4. It was used for 它被用来 5. is made of 是由(材料)制成的One possible version:This special pen was invented by Liu Jie. It has three colors and is used for taking notes quickly in class. It was invented in 2012. It is made of plastic and steel. It can remember what the teacher said. It can also help write down the main points. I think its a useful invention. Self check1. Complete the passage with the correct forms of the words in the box.invent, doubt, mention, nearly, website, all of suddenIt is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _ things which are _ the same. Its hard to tell who came up with the idea first. Some inventions can also lead to other inventions _. So some people _ whether the inventor came up with the idea himself or herself. They think that the inventor used someone elses idea to create his or her invention. That is why books or _ usually _ more than one inventor when giving information about inventions. 2. Rewrite these sentences using the passive voice.1. Someone stole my watch. _2. They used five eggs to make this big cake. _3. When did they invent the personal computer? _4. They asked us not to run in the hallway. _ _5. Someone took the video back to the store. _ _3. Find out information about an invention you would like to know more about and write sentences below.Invention: _When: _Who: _Purpose: _Homewo