2020版高考英语一轮复习Unit4Cyberspace课件北师大版必修2.ppt

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1、必修二,Unit 4 Cyberspace,广度积累词汇量不够,你读不懂,第一 板块,深度把握词块、句式不熟,你写不美,第二板块,单元话题语篇训练,高度研究文脉架构不明,你做不快,Contents,第三板块,第一板块,广,度,积,累,课前自主学习,NO.1 再现单元内词汇,以本为本,虚拟的,悲观的,厌世的,破坏,毁灭,军事的,军用的,电脑黑客,全球的,全世界的,冲浪,(事物或事件发生)场所,位置,蜘蛛,时髦,时尚,likely,focus,guide,climate,affect,attack,project,disappear,suburb,destination,offer,view,cr

2、ash,average,historical,locate,smoker,crime,tourism,NO.2 纵联同主族词汇,一线串联,NO.3 横拓同话题词汇,以点扩面,课堂重点释疑,“有可能的”,强调客观上的可能性,常暗示可能性很小,其主语只能是it,常构成句型It is possible (for sb.) to do sth.或It is possible that .,possible,“很有可能的”,常用来指有根据、合乎情理、值得相信的事,其可能性最大,相当于most likely,其主语是it或物,常构成句型It is/seems probable that .,probabl

3、e,“有可能的”,常用来指从表面现象上看可能性很大,其主语可以是人,也可以是物,常构成句型sb./sth.belikely to do sth.和It is likely that .,likely,n.平均数,v.平均为,adj.平均的,第二板块,深,度,把,握,课前自主学习,NO.1 记牢重点短语,make up,come true,as if,hang on,get in touch,be up to,in the flesh,as well as,be known as,take action,whats more,take over,consist of,cut off,have p

4、roblems with,NO.2 多备常用词块,NO.3 背熟经典句式,get in touch,have problems with,课堂重点释疑,as if/though引导的从句如果实现的可能性较大,则用陈述语气。,注意事项,(1)as if相当于as though,意为“仿佛;好像;似乎”,常用在be, look, seem, sound, smell, feel等系动词的后面引导表语从句。它还可以引导方式状语从句。 (2)as if/though从句中的省略:如果as if引导的从句中的主语和主句的主语相同,且含有be动词,可省略从句主语和be动词。 (3)若as if/though引导的从句表示实现的可能性很小或与事实相反,则用虚拟语气:与将来事实相反,从句谓语动词用“would/could/mightdo”;与现在事实相反,从句谓语动词用过去时;与过去事实相反,从句谓语动词用过去完成时。,用法归纳,第三板块,高,度,研,究,Thank You !,

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