仁爱版九上Unit4-Topic1复习课件.ppt

Unit4Topic1 When was it invented The light bulb is w______ used by people everywhere. Thomas Edison i_______ the light bulb in 1879. It’s s______ that he invented more than two thousand things during his life. The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s. Sectionc 1.Some words: invention, crayon, thought, silly, balloon, gun, robot, keyboard 2.Some phrases: laugh at，come come out， the result of …， none of 3.Some sentences: Inventing is interesting and exciting and everyone can be an inventor . SectionD explore explorer, mark find out, in …, direction, as long as, work well, the rest of the time, be used to, the shape of Some sentences: This method worked well at night as long as the weather was good and the stars could be seen. 聚焦一般过去时的被动语态 结构:助动词(was/were)+及物动词的过去分词 1.肯定句式 ：主语+was /were+v.-ed 2.否定句式 ：主语+was/were + not+v.-ed 3.一般疑问句式： Was /Were+主语+vt.-ed 4.特殊疑问句式：疑问词W/H+was/were+主语+v.-ed E.g. An e-mail was sent to her friend by Jane yesterday. An e-mail wasn’t sent to her friend by Jane yesterday. Was an e-mail sent to her friend by Jane yesterday? Who was the e-mail sent to by Jane yesterday? Let’s sum up together. 1.I was not allowed to play computer games last night. allow v. 允许 1. allow sb. to do sth. 允许某人做某事 2. allow doing sth. 允许做某事 3. be allowed to do sth. 被允许做某事 be made of 由某种物质做成(看得出原材料，物理过程) be made from 由某种物质制成(看不出原材料，化学过程) be made up of 由几部分组成 be made in 在某地/某时制造 be made by 由某人制造 be made into 被制成 2 3. It’s used for sending satellites or spaceships into space . be used for 被用来做 be used to do 被用来做 be used as 被用作 used to do sth. 过去常做 be used to doing sth. 习惯于做 Change the following sentences. 1.My mother allows me to use her cellphone.(改为被动语态) I _____ ______ _____ use my mother’s cellphone. 2.A rocket is used for launching satellit