高中英语人教版修二教学课件Unit 3 Section Ⅱ Warming Up Reading—Language Points.pptVIP

(二)明辨易混失误防范 比较　as a result, as a result of as a result 表示“作为结果；因此”，在句子中相当于副词 as a result of 表示“作为……的结果；由于”，是介词短语 用as a result和as a result of填空 ① exercise, he has built up his body. 由于锻炼，他已强身健体。 ②The conditions are poor; , the workers left. ＝ The workers left the poor conditions. 由于条件太差，工人们离开了。 As a result of as a result as a result of 1．[句型展示]　Although I was young I could simplify difficult sums. 尽管当时我还年轻，但我能简化一些复杂的数学题。 [典例背诵]　Although he is only a child, he knows a lot. 尽管他只是个孩子，他知道很多事情。 2．[句型展示]　I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢，差不多到了两百年之后，查尔斯·巴比奇 才把我制成了一台分析机。 [典例背诵]　She didnt work hard and it didnt take long before she was fired. 她不努力工作，不久就被解雇了。 3．[句型展示]　As_time_went_by,_I was made smaller. 随着时间的推移，我被做得越来越小。 [典例背诵]　These changes only became possible as my memory improved. 这些变化只有随着我的存储能力的不断提高才能成为 可能。 4．[句型展示]　Over time my memory has developed so much that,_like an elephant, I never forget anything I have been told! 随着时间的推移，我的记忆能力发展得如此之快，就 像一头大象一样，从来不会忘记告诉我的任何事情！ [典例背诵]　There were so many mistakes in his article that I didnt understand what he really wanted to say. 他的文章里错误太多，我不明白他到底想说什么。 1．I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢，差不多到了两百年之后，查尔斯·巴比奇才 把我制成了一台分析机。 1)本句中before 引导时间状语从句。before 引导时间状 语从句时可以根据语境译作“要过多久/过了多久 才……”。 ①Three weeks went by before she realized her mistakes. 三周过去了，她才意识到自己的错误。 ②Before I could say a word, he had rushed out of the room. 我还没来得及说句话，他就冲出了房间。 2)before构成的句型主要有： (1)It is/was not long before＋从句　不久就…… (2)It will not be long before＋从句　过不了多久就……(主句用将来时，从句用一般时) (3)It will be long befo