Unit4Globalwarming第2学时　LearningaboutLanguage课件（人教版选修6）.ppt

第二学时　Learning about Language;1．It is a rapid increase compared to most natural changes.(P26) 跟多数自然变化相比较而言，这却是一种快速的增长。 词语链接： compared to/with 和……比起来[相比], (过去分词短语充当状语) compare with/to 与……类似， 比得上 compare...to...把……比喻成…… compare...with/to...把……与……作比较 by comparison with 与……相比;即学即练： 完成下列句子。 (1)This school ________(可与……媲美) the best in the country. (2)________(与他所收藏的相比), the new stamps were not very interesting. (3)It was a small place then ________.(与现在相比) (1)compares with　 (2)Compared to/with what he had (collected) already　 (3)compared to what is now;(4)He ________________.(把心脏比作水泵) (5)Black ________.(把伦敦的公园比作人体的肺部) (6)If you ________(把这本字典和那本比较一下), youll find many differences. (4)compared the heart to a pump (5)compared the parks of London to the lungs of the human body　 (6)compare this dictionary with that one;2．So how has this come about and does it matter? (P26) 这种温度的增长是怎么产生的呢？会产生什么影响呢？ 词语链接： come about：发生，造成 come out出来；出版；开花；发芽； 结果(如何)；(消息)传开 come up发生，举行，走过来；被提出 come over (从远处)来到；改变立场/观点 come along 跟着去，赶快；进行，进展 How come ＋ 句子．..? ……是怎么回事/怎么发生的？ How did it come about that...? ……是怎么回事/怎么发生的？;即学即练： 选用上述词语完成下列句子。 (1)Sometimes it is hard to tell ______.(吵架是如何发生的) (2)The secret will finally________.(泄露出去) (3)I ________ (获得第一名) in the examination. (4)A beggar ________(走上前) to us and asked for money. (5)The question of drug-taking ________(一定会被提出来) at the next conference. (6)________(跟我来), Ill show you to your room. (1)how a quarrel comes about　(2)come out (3)came out first　(4)came up　(5)is bound to come up　(6)Come along;(7)It‘s already 10 o’clock.I wonder how it ______ （发生）that she was two hours late on such a short trip. (8)你怎么不到英国来度假呢？ ____________________________________________ (9) 他是怎么知道我们在什么地方的呢？ ___________________________________________ (7)came about (8)Why dont you come over to England for a holiday? (9)How did it come about that he knew where we were？　 Or：How came he knew where we were?;3．All scientists subscribe to the view that the increase in the earths