九年级Unit 4 Topic 2 When was t developed.docVIP

九年级（上）Unit 4 Topic 2 When was it developed?复习目标：掌握一般过去时被动语态的构成及用法。正确看待人类文明的成果，认识电脑，机器人人以及克隆技术的优点与负面影响；能够阅读有关机器人和克隆技术等方面的科学文章。知识归纳：重点词组：1．allow sb.to do sth. 2.be allowed to do sth.3.spend time (in) doing sth.4.be made of|from5.be made in |into6.be made by 7.be used for doing sth.|to do e true9.some day|one day10.be similar to11.the same as12.know for certain 13.be surprised at sth.|to do sth.14.warn sb.(not) to do sth.15.treat… as…16.make a contribution to sth.|doing sth.17.so far18.as long as19.in short 20.base on21.divide…into… 22.lose one’s way（二）重点句型：1．I’m not allowed to play computer games.我不被允许玩电脑游戏。2.__What’s it used for?__It’s used for launching satellites ir spaceships.3.What’s it made of ? It’s made of wood. 4.I wish I could go into space some day.我梦想有一天可以遨游太空。5.When|Where was it developed|invented ?它在何时|何地被研制| 发明？ It was developed|invented in…它在…被研制|发明？6.No one knows for ,but most people think that robots will be part of our lives.没有人确切地知道，但是大多数人认为机器人将会成为我们生活中不可缺少的一部分。7.This method worked well at night as long as the weather was good and the stars could be seen.只要是在天气好，能看见星星的晚上，这种方法就很有用。三．中考热点：1.allow doing sth., allow sb. to do sth., be allowed to do sth.2.be used for doing sth.=be used to do sth.3.be made of|from|in|into|by4.make a contribution to sth.|doing sth.5.as long as四．及时演练：（ ）1.We should go out alone at night. A.be allowed B.be not allowed C.be allowed to D.be not allowed to( )2.MP3 is used listening to music. A.to B.by C.for D.as( )3.Books are made paper and paper is made wood. A.of,of B.from,from C.of,from D.from,of( )4.Grapes are made red wine and this bottle of red wine is made Shanghai. A.in,in B.into,into C.in,into D.into,in( )5.If everyone makes a contribution to the environment,the world will become much more beautiful. A.protect B.protects C.protecting D.protected五．语法总结：被动语态1.主动语态和被动语态： 主动语态表示主语是动