2017届高三英语一轮复习同步课件：Unit 4 Period 1（人教版选修六）_高考复习指南

2017届高三英语一轮复习同步课件：Unit 4 Period 1（人教版选修六）

　　句式突破

　　There’s no doubt that …

　　意为“毫无疑问……”。 There is no doubt that radio and television are important means of communication. 毫无疑问，收音机和电视机是信息交流的重要方式。 There is no doubt that he can come on time. 他能按时来是毫无疑问的。

　　完成句子 ①我怀疑他是否是做这项工作的最佳人选。 I have my doubt about ____________________. 【答案】whether he is the best man for the job ②我不怀疑他将赢得比赛。 I don’t doubt/have no doubt ________ he will win the race. 【答案】that

　　③我怀疑这个消息是否是真的。 I doubt the truth of the news. →I doubt ____________ the news is true. 【答案】if/whether

　　2．Even if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries. 即使我们开始减少二氧化碳和其他温室气体的含量，在未来几十年或几个世纪内，气候仍会持续转暖。 even if(＝even though)即使，尽管，引导让步状语从句。 Even if I have to sell my house，I’ll keep my business going.即使要卖掉房子，我还是要继续我的事业。

　　翻译句子即使受到邀请我也不去参加他的晚会。 __________. 【答案】Even if I am invited, I will not go to his party.

　　3．This makes the greenhouse heat up and so the plants can grow throughout the cold period.这使得温室变暖，因此植物能在寒冷的时期生长。本句中makes the greenhouse heat up是“make＋宾语＋宾语补足语”的结构，make此处为动词，意为“使成为，使变成为”。宾语补足语可由名词、形容词、省略to的动词不定式、过去分词等充当。