安徽省滁州二中高二英语《Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs》教案

1、安徽省滁州二中高二英语Unit 20 New Frontiers Lesson 3 Scientific Breakthroughs教案Teaching aims1.words and phrases：2.language points in the text3.reading strategies4.exercises about text5.vocabulary:phrasal verbs and compound wordsTeaching time： Two periods(两课时连堂)Teaching processStep 1 RevisionReview the new word

2、s of lesson 2 and have a dictionStep 2 learn the new words of lesson 31.ask some students to read the new words first and correct their pronunciation2.play the tape and have them read after the tape3.give them a few minutes to read the new words freely, tell them if they cant read the words, encoura

3、ge them to ask the teacher .step 3 reading1.discuss the pictures and talk about the scientists major discoveries.2.do exercise 2 by themselves.3.let the students look at Reading Strategies and check their answers to exercise 1 and 2.4.play the tape twice, and do exercise 4.step 4 language points1.in

4、 a dilemma处于困境 2.have sth on your hands手头有某事待处理3. make a breakthrough/discovery 作出突破、发现4.not to mention 更不用说5. range fromto在范围内变化 6.replacewith用代替7. donate sth. to sb./sth. (for sb.) 捐赠给(为某人捐.) n. make a donation to 向.捐助8. correspond with sb.与某人通信 correspond with sth. 与.一致 correspond to相当于9. meanwhi

5、le=in the meanwhile/meantime=at the same time与此同时,在此期间 adv. 10. single out挑出、选出 pick out认真挑选 sort out使整齐、整理;挑出11. not even 甚至连都不 12. ex-lawyer n.前律师 outspoken adj.直言的 high-powered adj.功率大的 far-reaching adj.影响深远的 double-check v.复核/复查 mass-produce v.大批量生产 13. be previously thought to be. 之前被认为是 14. cn

6、.用单数 outcome of 的结果 results(比赛、考试、年度)结果,成绩,业绩15.cure sb. of sth. 治愈某人的疾病；矫正某人不良的行为a cure for 治疗.的方法 P25treat sb. for sth.“为某人医治，治疗”。强调治疗的动作或医治的过程，不涉及治疗的结果heal强调伤口的愈合或破裂的感情的弥合 17.go out 熄灭16.wrestle with something努力解决难以处理的事情 18.be dedicated to sth.献身于，专注于 19.be grateful to sb. for sth.感谢某人的 20.experi

7、ment with用/对进行试验21.否定There's no/ little / not much doubt about/as to sth/that. Sb have no doubt about/as to/that n.肯定There is some doubt about / as to/whether. Sb have some doubt about / as to/whether. v. doubt在否定句和疑问句中，后接 that-从句；在肯定句中，接whether 或if 引导的从句。step 5 vocabularya加在名词前构成形容词或副词asleep睡着(

8、的)aside在旁边ahead向前(的)em加在名词等前构成动词embark上船embed栽种(花等) embody体现en加在名词或形容词前构成动词encourage鼓励 endanger危害 enable使能够 enrich充实 enlarge扩大outoutclass比等级高 outnumber在数量上超过 outsmart智胜 outwit智胜step 6 HomeworkRemember the new words and phrases.Do relative exercises.Communication Workshop一Teaching aims:1.To get some

9、knowledge about the space exploration2.To read for the specific information and summarize the main idea of each paragraph3.To learn some idiomatic expressions4.To practise using linking words to express reason and purpose5.To write an article for a local magazine二Teaching main points: To write an ar

10、ticle for a local magazine三Teaching aid: Multi-medium四Teaching procedures:Step1. Warm upGet students look at the picture and make them know the world and its recourse is limited then ask them what we should do?Step2. Pre-readingTask1. Ask students to work in pairs to talk about the following questio

11、ns:Do you know when the fist space exploration began?Which country launched the first satellite?Who was the first man into the space?Do you know anything words about the space?Task2. Study some words about the spaceStep3. ReadingTask1. First readingStudents work individually, reading the article and

12、 matching the headings with the paragraphs.Task2. Second readingStudents read the text again and then find sentences in the text that mean the same as these colloquial sentencesDo the first item with the class firstStudents then complete the exercises working in pairsWhen check students answers, hav

13、e individuals read out both sentences.Step 4 language points1.kick off (会议、事情等)开始2.be in=be fashionable流行、时髦 be out=out of fashion过时3.send up上升 send down下降 send out发出 send back送回 send away送走 send for help请人帮忙 send off邮寄出、发出4.a load of/loads of complaints/time很多、许多 5.four corners of the globe世界各个角落 6

14、.interest faded 减退and the number dropped off减少 7.in conclusion=in summary= in a word总之 8.the press “新闻界,报界the press on/upon迫使;进逼press sb. to do sth劝说/催促某人做某事9.declare sth. (to be sth.) 宣布.为. declare sth.宣布;申报declare for/against sth.声明赞成/反对 vt. 指正式和明确地向公众“宣布,声明”,侧重当众发表,多用于宣战和宣判。vt. announce sth. to s

15、b.指“公开发表、宣布”,尤其将有益之事公之于众,如消息或新闻等.10.drop in on sb./at sp. 拜访某人/参观某地 11.be associated with与有关/交往 12.line up使排成行 13.in good/bad condition=in a good/bad state状况好/差14. with/ without 的复合结构，在句中可以作随伴、原因、时间状语等。 . with /without +宾语 + to do (主被动,尚未发生) With nothing to do, they went out for a walk. . with /with

16、out +宾语 + done (被动,已经完成) They stayed inside with the door locked. . with /without +宾语 + doing (主动,同时发生) The child slept with the light burning. . with /without +宾语+adj./adv./介词短语 He turned off the TV without anyone in the room. Step5. Exercise Task1. Get students work individually and match the words with the i