2021-2022学年高中英语人教版必修2教案：UNIT3 COMPUTERS LANGUAGE POINTS（系列三） WORD版含解析.doc

1、Unit 3 Computers Period 2 Language PointsTOPICDESIGNERWang Qingmei Wang Jucun TEACHING PROCEDURESStepI预习检测(学生活动)二次备课来源:学&科&网来源:Z.xx.k.Com来源:学科网来源:学科网来源:学科网ZXXK1. Check the exercises in exercises book.2.Ask some students to retell the passage in their own words3.Ask students to learn the language poi

2、nts in exercise book by themselvesStepII导入新课，展示目标（教师活动）目标1. Learn the words and expressions appearing in the reading passage.Over time, sum, go by, as a result, anyway, sothat.2. Understand some difficult and long sentences.Lead in1. Get the students to read the reading passage again to underline al

3、l the new words and useful expressions or collocations in the passage.2. Do the exercises in discovering useful words and expressionsStepIII 互动探究，小组展示（生生互动）language points1. 自学(1)words: common, compare, anyway, goal(2) phrases: as a result& as a result of (3) sentence structure: by引导的时间状语 As& with “

4、随着”2. Check the answers with group members and discuss the difficult points.StepIV师导生学，释疑解难（师生互动）I. words Although I was young, I can simplify difficult sums. sum n. 总数，总和；算术题；金额，钱数； v. 共计，加起来固定短语：in sum= in a word 总之sum up 总结，概括a large sum of 大量，许多（修饰不可数名词）拓展：表示“总之”的短语有：to sum up, in sum, in short,

5、 all in all, in a word, in brief 例句：The sum of two and five is seven.It will cost an enormous sum to repair the swimming pool.In sum, the plan failed. 总之，这个计划失败了He gave me a large sum of food. 他给了我很多食物。Now, sum up your views in a few words. 重点短语句型突破1. As the years have gone by, 随着（1）go by 经过(某地)；(时间

6、)过去；(机会等)失去；遵循，依据办事 go by = pass A car went by at full speed.一辆汽车全速驶过。The weeks went slowly by. 一星期一星期慢慢地过去了。Dont let this chance go by. 不要错失这次机会。 That is a good rule to go by.那是需要遵守的好规章。（2）as conj. 随着，引导时间状语从句。表示“随着”时，也可以用with，而with 用作介词, 后接名词短语,形成with复合结构。Eg. As time went on, Einsteins theory prov

7、ed to be correct. 随着时间的推移，爱因斯坦的理论证明是正确的。With the passing of the years, they have become close friends. 几年过去了，他们已成了亲密朋友。2. Over time my memory has developed so much that, like an elephant.(1) over time 随着时间= with time going on/ by= As time went on/ by (2) so + 形容词(副词)+ that. such + 名词 + that.sothat引导

8、结果状语从句，其结构是：so+ adj.adv. + thatso+ adj. +a(n)+单数可数名词+ thatso+ manyfew+可数名词复数+ thatso+ muchlittle+不可数名词+ thatsuchthat也可引导结果状语从句，其结构是：such-+ a(n)+ adj.+单数可数名词+ thatsuch+ (adj.)+不可数名词+ thatsuch+ (adj.)+可数名词复数+ thatHe was so excited that he could not speakHe ran so fast that I couldnt catch up with him.

9、so that - 因此, 结果He got up late, so that he didnt get to work on time.The stone is so heavy that no one can lift it.We left early so that we could catch the first train. so + 形容词(副词)+ that.结构中so + 形容词(副词)在句首时,句子用倒装结构He works so hard that he seldom goes home.So hard does he work that he seldom goes ho

10、me.Step V当堂达标检测1. Check the answers of the exercises.2. Give the students some minutes to discuss in groups.3. Ask some of them to explain some difficult ones.StepVI小结与布置作业1. Make a short summary.2. Do the exercises in using words and expressions 3. Learn the new words and expressions by heart.课前自学 EB: To learn the Present Perfect Passive VoiceRecord After Teaching