2017版高考一轮复习课件：选修7 unit19《Language》（北师大版）_高考复习指南

2017版高考一轮复习课件：选修7 unit19《Language》（北师大版）

　　早在18世纪人们就预测，有一天英语将成为全球性语言，并且在过去的几十年中它已得到了证明。

　　[仿写]____________________ the use of cloud platforms could triple in the next couple of years.

　　有人预测，未来几年云平台的使用将会翻三倍。 It is predicted that 2.Quality input ensures quality output，whether it is speaking or writing.(whether...or...引导让步状语从句)

　　不管是说还是写，高质量的输入确保高质量的输出。

　　[仿写]__________________________，we can be sure that we did our best.

　　不管成功还是失败，我们确信已尽了最大努力了。 Whether we succeed or fail 3.*Thirdly，you say that there is a discount provided that I pay in advance.(provided that引导条件状语从句)

　　第三，你们说我只要预付就有折扣。

　　[仿写]_____________________she were sincere with me，I should forgive her a lot.

　　只要她对我真诚，我会更宽容她的。

　　Provided that 【联想·积累】 (1)provided that 用法小结：此句中的provided that为连词，表示“如果，只要”，引导条件状语从句that可以省去，也可用providing替换provided。 (2)在英语中，引导条件状语从句的连词还有： unless，once，if，only if，in case，on condition that，so long as，if only，suppose/supposing等。 Ⅳ.单元语法→识记·思考·运用名词性从句；非人称转述结构单句语法填空 1.*____________ President Xi visited Russia led to the closer relationship between the two countries. 2.*Last week a groundbreaking ceremony was held for ___________ will be the third highest building in the world in Wuhan，Hubei Province. That what 3.Our bad living habits will destroy the earth.Only by changing ________ we live can we save the earth. 4.The Amazon's dry season，from July to September，is ________ some people cut and burn the rainforest. 5.________ we will have a meeting tomorrow is still under discussion. 6.*The father is so fond of the boy that he will give him ________ he wants. how when Whether whatever 【联想·积累】 ❶that与what用法上的区别 that在名词性从句中不作任何成分，引导宾语从句时有时可以省略，引导主语从句、表语从句和同位语从句时不能省略。 what在名词性从句中作主语、宾语、表语或定语。 ❷“疑问词＋ever”引导名词性从句 “疑问词＋ever”引导名词性从句时，有词义，并且在从句中充当一定的句子成分。 “疑问词＋ever”还可以引导让步状语从句，但“no matter＋疑问词”只能引导让步状语从句，不能用来引导名词性从句。 [单词点睛] 1.absence n.不存在；缺乏；缺席