1、高三英语第五周说课稿英语必修二UNIT 3UNIT 4高三英语备课组:王婷婷Unit 3 copmuters一. 教材内容分析:本单元的中心话题为puters, 内容涉及计算机的发展历史,计算机的应用等。本单元所选语言材料为科普类说明文,内容较为抽象,文章中也不乏一些专业术语,对学生来说,理解有一定的难度。二. 教学目标:掌握重点单词短语的用法。能用英语表达自己的观点并进行简单的理由阐述和做出决定。了解掌握现在完成时的被动语态的用法。三. 教学方法和教材处理:1. 教学方法现在是高三第一学期的第一轮复习阶段,主要是通过讲解与练习相结合的方法来强化学生对基础知识的记忆。2. 教材处理按照备课组的
2、复习要求和进度,本单元主要分为三课时。第一课时:讲解重点单词和短语Step 1 . students read the words together.Step 2. language points重难点单词短语: 1,monin mon with 和一样(作方式状语)。2calculate 3. begin as 作为开始4. anyhow 总之;无论如何;不管怎样= anywaysomehow 以某种方法;莫明其妙地somewhat 有点;多少;几分;稍微5. advantage n.优点;优势;有利条件 take advantage of 对加以利用;欺骗6. signal n. 信号,
3、手势, 声音, 暗号 v. 发信号; 用信号传达; 用信号与通讯 signal (to) sb.to do sth.示意某人做某事7. personal / private / individual personal 指属于或关于某人或某些特定的人,以区别于其他人。private 指属于私人所有或具有私营性质,以区别于集体或公共的,有时含不公开的意味。individual 与集体的相对,指个别或个体的。8. In a way9. arise vi.(arose, arisen)出现; 发生10. make up化妆;化装;捏造,虚构(故事,诗等)11. after all/above all/
4、at all/in allafter all意为“毕竟”“尽管”“到底”“究竟”;above all 意为“最重要的是”“尤其是”;at all一般用在否定句中,用以加强否定语气。 in all表示“总共”“总计”。at all用在疑问句、条件句中,起强调作用,意为“真的”“确实”“竟然”等。另外,not at all用来表示“不用谢”;12. make full use of充分利用make use of利用,使用考点:1. So brave was she that she faced the difficulty bravely she had studying English.2. M
5、oney should be made good use of to help the poor.Step 3. do exercises.第二课时: 重点句型和语法Step 1. students listen to the passages.Step 2. important and difficulty points1. it nearly took two hundred years before I was built as an analytical machine差不多到了200年之后我才被做成分析机.it take sb. +一段时间+to do sth.花费某人一段时间做某事
6、it took/was +一段时间+before.在一段时间后.it didnt take/wasnt +一段时间+before. 没过一段时间就.it will be /take +一段时间+before.要过很长一段时间才.it wont be /take +一段时间+before.不会要多长时间就.2. As the years have gone by, I have been made smaller and smaller. 此处as引导时间状语从句,表示“一边一边”、“随着”之意。go by (时间)过去,流逝;经过,走过(某处)。Several years went by be
7、fore we met again.3. As a result I totally changed my shape. 4. Then I was the size of a large room! 后来我有一间大房子那么大! Of +n Step 3. 语法核心突破The Present Perfect Passive Voice1. 构成:现在完成时被动语态由”has/have + been + 及物动词的过去分词”构成。Has/have为助动词;They havent been told the exciting news yet, have they? 他们还没有被告诉这个令人激动地
8、消息,对吗?1)since then, since+从句,so far, by now, up till, now, recently, lately, already, yet等常用于现在完成时的句子中。2)ever, never, already, yet等副词用于现在完成时的被动语态时,放在has或have之后2. 现在完成时被动语态用法1)表示一个被动的动作发生在说话之前,强调对现在造成的影响和结果The door has been locked. 门已经被锁上了。1) 表示一个被动的动作或状态发生在过去,持续到现在,并有可能持续下去,常于for或since引导的时间状语连用,或用于“
9、How long-?”句型中How long has the machine been used? 这台机器使用多久啦?3. 现在完成时被动语态应注意的几个地方1)注意与一般过去时被动语态的区别。一般过去时被动语态所表示的动作和状态与现在没有联系,而现在完成时被动语态强调与现在的联系The bridge was built last year. 这座桥是去年建的。The bridge has been built. 这座桥已经建好啦。2) 注意特殊动词:borrow, finish, begin, buy, start, return, marry, open, join等构成的被动语态不能和
10、表示一段时间的状语连用,否则要改换动词和状态,How long has this book been bought?(F) How long ago was this book bought?(T)但这类动词的否定句可以和一段时间状语连用。No book s have been bought since last week. 从上周以来,没有人来买过书【典型例题】1. -Why does the Lake smell terrible?-Because large quantities of water .A. have polluted B. is being polluted C. has
11、 been polluted D. have been polluted2. His sister left home in 1998, and since. A. had not been heard of B. has not been heard ofC. had not heard of D. has not heard ofStep 4. do exercises.第三课时: 完成本单元相关练习。通过练习进一步了解学生对所学知识的掌握。Unit 4 wildlife protection一. 教材内容分析:本单元的中心话题为野生动物保护, 内容涉及濒临灭绝的野生动物的生存现状,以及如
12、何保护野生动物。二. 教学目标:掌握重点单词短语的用法。能用英语表达自己的观点并进行简单的理由阐述和做出决定。了解掌握现在进行时的被动语态的用法。三. 教学方法和教材处理:a) 教学方法现在是高三第一学期的第一轮复习阶段,主要是通过讲解与练习相结合的方法来强化学生对基础知识的记忆。b) 教材处理按照备课组的复习要求和进度,本单元主要分为三课时。第一课时:讲解重点单词和短语Step 1 . students read the words together.Step 2. language points重难点单词短语:1. wild2. protect3. lossat a loss表示“不知所措
13、,不知(如何是好),亏本地”。4. hunthunt for5. applyapply for(to)向申请apply to适用于,to是介词。apply oneself to致力于,努力进行。6. suggest表示“建议,提议”后接名词,动名词,不接不定式,也可以接从句,从句中的谓语动词由should+动词原形构成,should可以省略。也可以表示“暗示,启发”,后接从句。7. affect effecthaveeffect on/upon 对产生影响e/go into effect生效,被实施8. attentionpay attention to 注意catch/attact sbs
14、attention 吸引某人的注意give ones undivided attention,get/have sbs undivided attention 全神贯注,为某人关注的对象9. intendintend sth for sb为某人准备某物10. dangerin danger在危险中out of danger脱离危险on the danger list 病入膏肓19. die for,die from,die of,die outdie from(外部因素),die of(内部因素)因而死。die for为而死,为而献身,表示因事业或目的而死。die out 表示“灭绝,绝种,消
15、失(火)等熄灭,后不接宾语。考点:They demanded that the problems referred to be paid attention to.Step 3. do exercises.第二课时: 重点句型和语法Step 1. students listen to the passages.Step 2. important and difficulty points1. Daisy had always longed to help endangered species of wildlife考点:long to do sth; long for 2. They lear
16、ned this from the way the bones were joined together. 3.Daisy responded immediately考点:respond to; make no response to4.Daisy turned around and found that she was being watched by an elephant.考点turn around/ round 转身5. I would like to help as the WWF suggests.6. “ We used to be an endangered species.
17、Farmers hunted us without mercy.7. You should pay more attention to the rainforest where I live and appreciate how the animals live together.1) 拓展:to为介词的词组pay attention to ; give/ devote ones attention to; concentrate ones attention to;look forward to; stick to; lead to;8appreciate + n/ doing-感激-app
18、reciate it + if 从句- 感激- 感谢-step 3. 语法:现在进行时的被动语态定义:现在进行时的被动语态表示此时此刻某事正在被做。构成:be + being+过去分词用法:1)“be being done” 中的动词be应随主语(sing. / pl.)作相应的变化。2)将现在进行时的主动语态变为现在进行时的被动语态的关键是:把be doing变为be being done.现在完成时被动语态可用于哪些场合?现在完成时被动语态可用来强调发生在过去的被动性动作对现在造成影响。现在完成时被动语态还可强调到目前为止某被动性动作或状态已存在若干时间。is/am/are to be d
19、one可用于哪些场合?(1)用来表示根据计划或安排将要发生的被动性动作。(2)用来表示征求对方意见。(3)用来表示必要性。(4)用来表示可能性。will/shall be done除用于一般将来时构成被动语态外,还可用于什么场合构成被动语态?will/shall be done除用于一般将来时构成被动语态外,还可用来表示有固定性条件就会有规律性被动结果。has/have been done是否可用于一般将来时构成被动语态?可以。has/have been done可用来表示到将来某一时刻为止某一动作已被完成,此时它属于一般将来时被动语态。现在进行时被动语态结构很复杂,应怎样理解?现在进行时被动语态结构为:is/am/are being done,is/am/are体现标准对照时间点为现在,并随人称的变化而变化;being体现进行时;being done体现被动语态。Step 4. do exercises.第三课时: 完成本单元相关练习。通过练习进一步了解学生对所学知识的掌握。