第一部分模块2第3单元教师版ppt.pptVIP

核心考点·课内突破 3. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. (P18) 我发展得很慢，几乎200年之后，Charles Babbage才把我制成了一台分析机。 【句型】It takes/is + 时间段 + before … 过了一段时间才…… 【比较】It is/was not long before不久就…… 核心考点·课内突破 【仿写】 (1) 我读书慢，花了一个月时间我才读完这本小说。 _________________________________________ (2) 他正在英国学习，要过两年才回来。 _____________________________________________ (3) 他们四处寻找那个失踪的孩子，过了五天他们才找到。 _____________________________________________ I read slowly and it took a month before I finished reading this novel. He is studying in Britain and it will be two years that he comes back. They looked for the lost boy everywhere and it was five days before they found him. 核心考点·课内突破 4. As time went by, I was made smaller. (P18)随着时间的流逝，我被造得更小了。 【句型】As +从句, +主句。 “随着……，……。” 【仿写】 (1) 随着时间的流逝，我的记忆力似乎越来越差。 _____________________________________________ (2) 随着年龄增大，我们懂得的东西越来越多。 ______________________________________ As time goes by, my memory seems to get worse. As we grow older, we get more and more knowledge. 核心考点·课内突破 5. First it was stored in tubes, then on transistors and later on very small chips. (P18)最初它(指记忆)被存储到电子管，以后是晶体管上，后来是非常小的芯片上。 【句型】First …, then … and later … 【仿写】 (1) 马驹先吃午饭，然后睡觉，后来打篮球。 ____________________________________________ (2) 那只猫先是待在那棵小树上，然后待在地板上，后来待在床上。 _____________________________________________ First Mu Ju ate lunch, then slept and later played basketball. First the cat stayed in the little tree, then on the floor and later on the bed. 剖析题型·提升能力 语法填空 八、功能词二：代词、功能性副词 代词 代词在句子中可用来充当主语、宾语、表语、同位语等成分。形容词性的物主代词、不定代词可以用来限定名词或代词，起限定词的作用。代词it的用法可以从两个方面去掌握。一是实义的it；二是虚义的it。实义的it可以用来指时间、季节、天气、距离、环境状况、无生命的事物等，也可代指不明性别的人或婴儿；虚义的it本身没有任何词汇意义，它在短语或句子中起结构作用，可以用来作形式主语、形式宾语等，还可以用在强调句中。 当句子中缺少主语、宾语、表语、同位语等成分，而空格又没有给提示时要考虑填入代词；当名词前缺乏限定成分时也要根据上下文考虑是否可以填入不定代词、形容词性的物主代词。 剖析题型·提升能力 实例分析 1. Behind him were other people to 21 he was