1、高中英语课件此此pptppt下载后可自行编辑下载后可自行编辑 Section 语言点一单词集释板块语言点二短语荟萃板块语言点三句型解构板块写作讲座课时跟踪检测Unit 20识记.掌握理解.拓展应用.落实识记.掌握理解.拓展应用.落实识记.掌握理解.拓展应用.落实佳作观摩技法指导专题练习A.根据词性和汉语意思写出单词1 n祖先；祖宗2 n.界线；边界3 vi.逐渐变弱4 n.障碍；屏障5 adj.原始的6 adj.长久的；永久的7 adj.最初的；开始的ancestorinitialboundaryfadebarrierpermanentprimitive8 n现象(复数)9 adj.成熟的 v
2、i.(使)成熟10 vt.按；压 n压力11 vt.宣告；宣布 n发布；宣告phenomenonphenomenariperipenpresspressuredeclarationdeclareB用所给词的适当形式填空12Dogs are not to enter the building without .(permit)13Some chemicals have been poured into the river and a lot of fish have been .(poison)14In the 17th century,from European countries on th
3、e island.(settle)poisonedpermittedsettledpermissionsettlerspoisonous1permit教材原句You are not permitted to work if you are on a student visa.如果你持学生签证便不允许你工作。(1)vt.允许；准许Our teacher doesnt permit us to wear long hair at school.我们老师不允许我们在学校里留长发。点津我们可以说permit sb.to do sth.但不能说permit to do sth.。类似用法的动词还有adv
4、ise,forbid,ban,allow,recommend等。Nowadays we dont permit smoking in public.现在我们不允许在公共场所吸烟。Can you permit me a few words on this matter?你能允许我就这件事说几句话吗？Weather permitting,well go to the seaside this weekend.天气允许的话，本周末我们将去海边。permit sb.to do sth.sb.be permitted to do sth.许可做某事 允许某人某事weather/time 天气/时间允许的
5、话permit doing sth.允许某人做某事permit sb.sth.permitting(2)n.C许可证，特许证You cant work here without a permit.没有许可证你不能在此工作。2press(1)vt.&vi.按，(被)压；挤Just press the button,and youll start the engine.只要按一下这个按钮，便可以启动这台发动机了。press.against.把把贴在贴在/推到推到/挤到挤到/压在压在上上press sth.to sth.把把推向推向/挤到挤到/压向压向press.into/onto.把把塞进塞进/压
6、入压入The little boys pressed their noses against the glass.那些小男孩把他们的鼻子紧贴在玻璃上。He a coin her hand.他把一枚硬币塞进她手里。(2)vt.催促，敦促；逼迫press sb.for sth.催某人催某人press sb.into(doing)sth.催某人做某事催某人做某事press sb.to do sth.催某人做某事催某人做某事pressedintoThe bank is repayment for loan.银行正在催我们还贷款。They are pressing us a quick decision
7、.他们在催我们尽快作出决定。My mother pressed me into doing my homework.妈妈催我做作业。(3)n.报刊；出版社The story was reported in the press and on television.这件事已在报刊和电视上报道了。pressing us forto make3declare vt.宣布，宣告教材原句NASA declared that a rock from Mars proved there had been life in the form of tiny bacteria.美国宇航局声称从火星上得来的一块石头证
8、明了火星上曾经有以细菌形式存在的生命。declareGaddafi declared war on the countries that attacked his country.卡扎菲向袭击他们国家的国家宣战了。The accused man declared himself innocent in court.在法庭上，被告宣称他是无罪的。She declared that she didnt want to see him again.她宣称再也不愿见他了。The moment that conference ，all the people present burst into chee
9、rs.会议一宣布开幕，所有在场的人发出了欢呼声。was declared open1drop 下降2as a result 由于的原因3due 由于4 the form of 以的形式5set 建立6rather 而不是7 conclusion 总之8benefit 从中受益9start 以开始offtoofinupthaninfromwith1drop off教材原句After this,interest faded and the number of manned flights dropped off.从这以后，人们的兴趣开始减退，载人航行的数量也下降了。观察下列句子，写出drop of
10、f的汉语意思。Traffic in the town has dropped off since the bypass opened.I dropped off and missed the end of the film.Drop me off at the next stop;I can walk straight there.下降；减少打盹；打瞌睡让某人下车drop out辍学辍学drop in 拜访拜访drop behind/back 落后，掉队落后，掉队drop sb.a line 给某人写信给某人写信James started an engineering degree but a
11、fter only a year.詹姆斯开始攻读工程学学位，但仅一年后就辍学了。I thought Id while I was passing by.我曾想路过时顺便来看看你。We cant afford to drop behind our competitors.我们可承担不起落后于竞争对手的后果。drop in on youdropped out2rather than 是而不是，与其不如教材原句Due to Chinas rapidly developing space programme,this could be sooner rather than later.由于中国太空计划
12、的快速发展，这可能会提前而不会推迟完成。(1)rather than用于连接两个并列成分，这些并列成分可以是名词、代词、形容词、介词(短语)、动名词、不定式等。Ill have a soft drink rather than wine.我要喝软饮料而不是酒。I am rather bored than tired after having the meeting.开完会之后，与其说我是疲惫不如说是厌倦。We will have the meeting in the classroom rather than in the great hall.我们是在教室里开会，不是在大厅里。(2)用于连接
13、两个并列成分，后接不定式时常省略to。一般用于以下句型：I decided to write rather than(to)telephone.我决定写信而不打电话。He at home watching TV rather than go to the concert.他宁愿待在家里看电视也不愿去听音乐会。preferred to stay(3)rather than连接并列的名词或代词作主语时，谓语动词和前面的名词或代词在人称和数上保持一致。He,rather than you,to blame.将受到责备的是他而不是你。is1句型展示The International Space Sta
14、tion is now being built in the Earths orbit and soon will be working as a permanent manned scientific base,so as to research life in space and provide a stepping stone in_case future manned flights are sent out.国际空间站的建设工作正在地球轨道上进行，很快将成为永久的载人科学基地，以便研究太空中的生命并为未来的载人飞行做准备。典例背诵In case you need something,
15、please dont hesitate to let me know.如果你需要什么东西，请毫不犹豫地对我说。2句型展示.as_long_as people remain interested,we will keep exploring the world overhead.只要人们仍心存兴趣，我们将会继续探索头顶上的那个世界。典例背诵As long as you learn to be grateful,youll find life beautiful.只有学会感恩，你才能发现生活的美好。典例背诵In case you need something,please dont hesita
16、te to let me know.如果你需要什么东西，请毫不犹豫地对我说。2句型展示.as_long_as people remain interested,we will keep exploring the world overhead.只要人们仍心存兴趣，我们将会继续探索头顶上的那个世界。典例背诵As long as you learn to be grateful,youll find life beautiful.只有学会感恩，你才能发现生活的美好。1The International Space Station is now being built in the Earths o
17、rbit and soon will be working as a permanent manned scientific base,so as to research life in space and provide a stepping stone in_case future manned flights are sent out.国际空间站的建设工作正在地球轨道上进行，很快将成为永久的载人科学基地，以便研究太空中的生命并为未来的载人飞行做准备。(1)用作连词，表示目的，意为“以防，免得”。Youd better take the keys in case Im out.你最好带上钥
18、匙以防我不在家。(2)用作连词，表示条件，意为“如果，万一”。Ill take my raincoat it rains.我将带上雨衣，以防下雨。(3)用作副词，意为“以防万一”。Youd better carry some money in case when you go ou.你出门时，你最好带些钱，以防万一。in case2.as_long_as people remain interested,we will keep exploring the world overhead.只要人们仍心存兴趣，我们将会继续探索头顶上的那个世界。(1)as long as“只要”，起连词作用，在句中
19、引导条件状语从句。可与so long as互换，意为“只要”。As/So long as you come here,Ill lend my bike to you.只要你来，我就会把我的自行车借给你。(2)as long as还可用于同级比较句型，意为“和一样长”；还用于表示程度，意为“长达”。This rope is that one;you many use it as a substitute.这根绳子和那根一样长，你可以用它替换那条绳。I have been waiting here as long as 2 hours.我已经在这里等了2个小时了。as long as主题介绍类文章
20、 美国康州中学与你校是友好学校，对方校刊来信说想了解你校为落实素质教育精神所开设选修课的情况。你作为学校记者站的小站长，根据康州中学的要求对学生进行了问卷调查，根据调查结果请你以Students Like Optional Courses为题，写一篇120词左右的英语报道。课程门类：音乐、美术、体育、文学、计算机等十余种上课时间：每周五下午3：305：00上课方式：同一门课同一间教室；集体学习最受欢迎的课：计算机、英语口语、美术等对课程的看法：1.有利于自己的特长发展，十分感兴趣；2学到很多课外知识；3有大量的实践机会。建议：1.增加选修课；2.减少作业量；3.多组织参观，了解社会。参考词汇：
21、选修课optional coursesStudents Like Optional Courses This term our school has offered more than 10 optional courses,such as music,arts,PE,literature and computer.Students can choose what they are interested in according to their tastes.The students who study the same subject study in the same classroom
22、.The courses are given from 3：30 to 5：00 every Friday afternoon.Students think highly of the measures taken by school,and their favorite courses are computer,spoken English,arts and so on.They say it is useful to develop their specialities and that they have learned a lot that they cannot learn in t
23、extbooks and they have got a great deal of practice.However,students are not quite satisfied.They hope more optional courses will be offered while their homework should be less.They suggest that more trips and visits be organized so that they can learn more about what is going on outside school.本报道内
24、容详实、观点明确、详略得当、要点清晰。第一段：主要介绍了课程门类及上课时间。第二段：主要介绍了最受学生欢迎的课程和学生对课程的看法。亮点一：本文使用了offer(句),such as(句),think highly of(句),develop their specialities(句)等高级词汇，丰富了文章的语言，增强了其可读性。亮点二：句中宾语从句、句定语从句、句不定式作真正主语及that引导的宾语从句中又有that引导的定语从句、句中while表对比关系、句suggest后面的宾语从句中的虚拟语气以及so that引导的目的状语从句等复杂句式的使用，使文章的档次提升，让人眼前一亮。本单元的
25、写作内容是写主题介绍类文章。要求能够灵活运用适当的时态和连接词，并作出段落安排。第一段：介绍话题。说明它为什么是重要的或有趣的。第二段：介绍背景和历史。提供一些背景知识，例如：某事追溯到某个时期，第三段：描述现在。说明发生了什么，谁是最好的。第四段：预测未来。说明事情在未来会怎么样。第五段：进行总结。重述你的观点，强调某事的确是重要的。1Since.,people have always enjoyed.2By the beginning of the century,.3The history of.goes back.4The best.today are probably.5Recent
26、 developments in the field include.6In my opinion,there will be a return to.7Who knows what will happen in the future,but.8Many experts predict that.9If you continue to do.,you will.10In conclusion,.黄金表达 根据下面的要求写一篇短文。词数120左右。最近几年，我国出现了多起煤矿事故，损失很大，很多工人因此失去生命。现在，请你以一个中学生的身份，设想一种机器人，代替工人在井下作业。名称名称机器鼠机器鼠特点特点电脑控制电脑控制长臂、长腿，能推、拉、抬、转长臂、长腿，能推、拉、抬、转优点优点长期工作，不疲劳长期工作，不疲劳先进报警敏感器，可及时发现瓦斯泄漏或渗水先进报警敏感器，可及时发现瓦斯泄漏或渗水出现矿难可减少损失和人员伤亡出现矿难可减少损失和人员伤亡_
