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    北师大2019选修四UNIT 12 Section B LESSON 2 & LESSON 3课件
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    北师大2019选修四UNIT 12 Section B LESSON 2 & LESSON 3课件

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    这是一份北师大2019选修四UNIT 12 Section B LESSON 2 & LESSON 3课件,共56页。

    UNIT 12Section B LESSON 2 & LESSON 3英 语2022内容索引课前篇 自主预习课堂篇 互动探究课前篇 自主预习Ⅰ.知识体系图解重点词汇 写作词汇1.         vi.出现,浮现 2.        vt.克服(困难);控制(感情);征服,战胜3.        adj.宏伟的,壮丽的,隆重的4.        vi.减少,降低5.        n.意外收获,额外的好处;奖金;红利6.        n.重力,引力emerge overcome granddecline bonus gravity 阅读词汇7.incidence n.        8.incubation n.        9.cosmology n.        拓展词汇10.      adj.一无所知的,一窍不通的→      n.线索,提示 11.      n.评估,评价→      vt.评估,评价 12.      adj.理论的→      n.理论 发生率 孵化 宇宙论,宇宙学 cluelessclueevaluationevaluate theoreticaltheory重点短语1.           突然,出乎意料地 2.        换句话说3.        因……出名4.        导致;通往5.        而非,而不是6.        由于……all of a sudden in other wordsbe famous for lead to rather than as a result of 7.put together         8.in spite of         9.a large number of        10.with the help of        11.be proud of        12.be diagnosed with         组合;装配 尽管  许多的,大量的 在……的帮助下 为……骄傲  被诊断为重点语法介词短语和短语介词 Ⅱ.释义匹配1.bonus   A.to come out of a dark,confined or hidden place2.decline B.totally uninformed about what is going on3.emerge C.impressive and large or important4.clueless D.to become smaller,fewer,weaker,etc.5.grand E.an extra amount of money that is added to a payment答案 1.E 2.D 3.A 4.B 5.C课堂篇 互动探究重点词汇1On 14 March,2018,one of the world’s most influential scientists,Stephen Hawking,died at his home in England,aged 76.(教材P58) 2018年3月14日,世界上最具影响力的科学家之一,斯蒂芬·霍金在英国家中去世,享年76岁。◆ influential adj.有很大影响力的,有支配力的The group was influential in setting up the new schools.这个集团对这些新学校的建立颇有影响。She is one of the most influential figures in local politics.她是当地政坛举足轻重的人物之一。【词汇拓展】influence n.     影响;权势;有影响的人或事物vt. 影响;感化have an influence/effect/impact on/upon         对……有影响exert an influence on 对……施加影响under the influence of 在……的影响下Those so-called friends of hers have a bad influence on her.她那些所谓的朋友对她的影响很坏。Van Gogh had a major influence on the development of modern painting.凡·高对现代绘画的发展有着重大影响。【迁移应用】单句填空(1)A good teacher has a great influence      his pupils. (2)He was one of the most      (influence) performers of modern jazz. (3)The very earliest sculptures were made       the influence of Greek art. on/uponinfluential under2In the early stages of his career,his illness got worse,but he was allowed to do research only rather than teach,which was easier for him.(教材P58—P59) 在他职业生涯的早期,他的病情恶化了,但他被允许只做研究而不教书,这对他来说更容易。◆ rather than而非,而不是I,rather than you,am to blame for the car accident.应该对这起车祸负责任的是我,不是你。She seems to be clever rather than honest.与其说她老实,不如说她聪明。Hearing the exciting news,they cried rather than smiled.听到这个激动人心的消息,他们哭了而不是笑了。【词汇拓展】prefer to do sth rather than do sth 宁愿做某事而不做某事prefer doing sth rather than doing sth 宁愿做某事而不做某事would do sth rather than do sth 宁愿做某事而不做某事other than 除了less than 少于more than 多于;不仅仅是no more than 不超过;仅仅no less than 不少于,多达He preferred to starve to death rather than steal.他宁可饿死也不愿偷窃。He claims not to own anything other than his home.他声称除了家他一无所有。I expect it to earn its cost in less than three years.我希望它在3年内赚回成本。In that battle,we wiped out no less than twenty thousand enemies.在那一次战役中,我们消灭的敌人不少于20 000人。rather thanno more thanmore than【迁移应用】完成句子(1)我宁愿待在家里也不愿去参加那个晚会。I preferred to stay at home        take part in that party. (2)做成一个盒子不超过几个小时。Each box requires          a few hours of labour to make. (3)对大多数人来说,工作不只是一种需要。Work is        a necessity for most human beings. 3Although Hawking’s physical abilities declined over decades,he never ceased his studies and he developed a number of new ideas about black holes.(教材P59)虽然霍金的身体能力在过去几十年里有所下降,但他从未停止过他的研究,并对黑洞产生了许多新的想法。◆ decline vi.减少,降低They wish that prices would decline.他们希望物价能降低。Her influence declined after she lost the election.落选后她的影响力大为降低。【词汇拓展】decline v.      谢绝,拒绝n. 减下,下降,衰退decline to do sth 拒绝做某事fall/go into decline 陷入衰退the economic decline  经济衰退on the decline 逐渐式微;正在衰退one’s declining years 某人的晚年Many students declined to be interviewed on tape.许多学生谢绝录音采访。The global economic growth is on the decline this year.今年全球经济增长呈下降趋势。on to discuss from【迁移应用】单句填空(1)The number of robberies in the area is        the decline. (2)He declined        (discuss) his plans with the newspaper men. (3)The price of 14-inch TV sets declined        400 to 320 yuan each. 4In spite of his disease,Hawking didn’t consider himself an unlucky man.(教材P59) 尽管霍金患有疾病,但他并不认为自己是个不幸的人。◆ in spite of虽然;不顾;尽管……(仍……)In spite of their quarrel,they remain the best of friends.尽管有过争吵,他们仍是最好的朋友。In spite of his disappointment,he managed a weak smile.尽管他很失望,他还是勉强露出一点淡淡的微笑。【词汇拓展】despite=in spite of   尽管,不管despite/in spite of the fact that...=although/though... 尽管……regardless of 不管,不顾Despite the fact that she wanted to see him,she turned down his invitation.尽管很想看到他,但她还是拒绝了他的邀请。The club welcomes all new members regardless of age.俱乐部欢迎所有新成员,不分年龄。in spite ofDespite the fact thatregardless of【迁移应用】完成句子(1)尽管年事已高,她仍然过着积极的生活。She still leads an active life,      her advancing years. (2)尽管她个子矮,却是个出色的篮球运动员。          she is short,she is an excellent basketball player. (3)这份工作面向所有申请者,年龄、种族和性别不限。The job is open to all applicants        age,race,or gender. 5He said it had not prevented him from having a family,and being successful in his work.(教材P59) 他说,这并没有妨碍他拥有家庭,也没有妨碍他在工作中取得成功。◆ prevent vt.防止;妨碍;阻止Mary’s father tried to prevent her marriage.玛丽的父亲试图阻止她的婚事。The heavy rain prevented us coming in time.大雨使我们没能及时赶来。【词汇拓展】prevention n.   防止;预防prevent...(from) doing sth 防止或阻止……做某事Prevention is better than cure.预防胜于治疗。However,my parents are trying to prevent me (from) going.然而我父母正设法阻止我去。prevent/stop/keep sb/sth from doing sth 这个结构中三个动词基本可以通用,不同之处在于:stop和prevent用于该结构时,介词from可以省略,但在被动语态中不能省;keep用于该结构时,任何时候都不能省略from。He stopped the children (from) playing near the river.他阻止孩子们在河边玩耍。You should keep your son from playing football in the street.你应该阻止你的儿子在大街上踢足球。prevent/stop/keep your dog from comingthe plan from beingfrom taking【迁移应用】完成句子(1)你能不能不让你的狗到我的花园里来?Can’t you                 into my garden? (2)谁也不能阻止这个计划的实施。No one can keep             carried out. (3)他因病未能参加期末考试。He was prevented by illness         the final exam. 1Hawking was famous,not just for his brilliant work in theoretical physics and cosmology,but also for overcoming the challenges of ALS (a disease that affects muscle control).(教材P58) 霍金出名,不仅是因为他在理论物理和宇宙学方面的杰出工作,还因为他克服了ALS(一种影响肌肉控制的疾病)的挑战。【句式剖析】句中not just...but also...连接了两个并列的介词短语。not just/only...but also...意为“不仅……而且/还……”,通常被用来连接并列的成分或句子。He not only read the book,but also remembered what he had read.他不但读了这本书,而且记得所读的内容。重点句式【句式拓展】语法功能:连接并列的成分,可以是两个主语、谓语、表语、状语,也可以是两个句子。形式:not just/only...but (also)...其中,also通常可以省略。主谓一致:not just/only...but (also)...连接两个并列的成分作主语时,谓语动词的人称和数遵循“就近原则”,即谓语动词的人称和数与but (also)后面的成分保持一致。Not only you but (also) he wants to go to a key university.不但你,还有他也想上重点大学。Children’s TV programs are not only entertaining but (also) instructive.儿童电视节目不仅有娱乐性还有教育意义。当not just/only...but (also)...连接两个并列句子时,若not just/only位于句首,前面的分句采用部分倒装语序,but (also)连接的分句仍然是陈述语序。Not only did he speak English well,but he (also) spoke Japanese fluently.他不仅英语说得好,而且日语也讲得很流利。Not only can this save money,but it can (also) reduce complexity.它不仅可以节省成本,还可以降低复杂度。【迁移应用】翻译句子(1)她不仅会说西班牙语,还精通计算机。(部分倒装)(2)不但老师们反对这个安排,学生们也反对。(3)她不仅写了正文部分,而且还挑选了插图。答案 Not only does she speak Spanish,but she (also) masters computer. 答案 Not only the teachers but (also) the students are against the arrangement. 答案 She not only wrote the text but (also) selected the illustrations. 2However,as his illness became worse,he lost the use of his hands.(教材P59) 然而,随着病情加重,他丧失了手部的功能。【句式剖析】该句是一个复合句。as连接时间状语从句,意为“随着……”,表示主从句的内容都在发展变化。As she got older and older,her hair went greyer and greyer.随着年龄越来越大,她的头发越来越灰白。【句式拓展】(1)as引导原因状语从句,意为“因为,由于”。(2)as引导时间状语从句,有三个意思:当……时;一边……一边……;随着……。(3)as引导比较状语从句,意为“像……一样”。(4)as引导方式状语从句,意为“正如;就像;按照”。As the old saying goes,a word spoken can never be taken back.正如古语所说,一言既出,驷马难追。(5)as引导让步状语从句,从句一般放在主句之前,并且采用倒装语序,从句中的表语、状语或动词原形置于句首,若表语是名词,前置时要省略冠词。Young as he is,he already knows what career he wants to follow.他虽然年轻,可是早就知道自己想要从事的职业。(6)as引导定语从句,既可以修饰某个名词,又可以修饰整个句子;既可以引导限制性定语从句,又可以引导非限制性定语从句。This was such a tough job as no one would accept.这项工作很艰巨,没人会接受。As was expected,he performed the task successfully.正如所期盼的那样,他成功地完成了任务。as they are walkingStrange as it might soundthe same respect as【迁移应用】完成句子(1)学生们一边朝学校走一边唱歌。The students are singing songs           toward the school. (2)尽管他的主意可能听起来有些奇怪,但与会的所有人都接受了。             ,his idea was accepted by all the people at the meeting. (3)你们必须像尊敬我一样尊敬我的妻子。You must show my wife          you show me. 3However,many people could not really understand what he had written.(教材P59) 然而,许多人无法真正理解他写的东西。【句式剖析】what he had written是宾语从句,what在从句中作had written的宾语。what常用来引导名词性从句,即主语从句、宾语从句、表语从句和同位语从句。What she explained about her being late for the meeting made us very amazed.她对她开会迟到的解释让我们很惊讶。(what引导主语从句,并在从句中作宾语)That they won the game was what we had expected.他们赢得了这场比赛,这正是我们所期盼的。(what引导表语从句,并在从句中作宾语)Ten minutes later,we arrived at what was called Gum Tree.10分钟后,我们到了一个叫桉树村的地方。(what引导宾语从句,并在从句中作主语)(1)what在相应的名词性从句中通常有一定的意义,常表示“什么”“什么样的”“所……的”“……的样子”“……的事/话”等。(2)what在相应的名词性从句中常作主语、宾语或表语。(3)that也可引导名词性从句,但that在从句中不作成分,不必译出。that引导宾语从句时可以省略,但引导主语从句、表语从句和同位语从句时不能省略。The problem is what has made her so angry at the conference.问题是什么使她在会议上如此生气。That she didn’t change her mind made me very angry.她没有改变主意,这使我很生气。what 【迁移应用】单句填空(1)Please attend to      is concerned with your project. (2)Can you tell me      you need most at present? (3)      is known to us all is      the 2024 Olympic Games will take place in Paris. what Whatthat重点语法介词短语和短语介词1.介词短语介词短语由“介词(或短语介词)+宾语”构成,在句中可作表语、宾语和状语,能充当介词宾语的主要有名词、宾格代词、动词-ing形式等。(1)in 构成的短语in advance 在前头,事先,预先in case 如果,万一in charge主管,掌管,看管in common共有,共同,公有in demand有需要的in doubt 感到疑惑的,难以确定的in effect实际上,生效in fact事实上in order按顺序,井然有序,情况良好;恰当in progress进行中in return作为回报in vain徒劳in turn依次,替换地;相应地,转而(2)on构成的短语on guard 在值勤on leave在休假on holiday在度假on strike罢工on sale出售on loan借贷on the move在移动,搬迁;离开on the march在行军on the go正在活动,正在奔走on the air正在广播(3)beyond构成的短语beyond one’s power是某人力所不及的beyond praise夸不胜夸beyond one’s reach够不着beyond description难以形容beyond words无法用语言形容beyond doubt无疑beyond one’s understanding 无法理解(4)under构成的短语under development 在发展中under observation在观察中under test在测试中under construction在建设中under examination在检查/调查中under consideration在考虑中under repair在修理中(5)at 构成的短语at length 详细地,长时间at sea茫然at will任意地at work在上班at lunch在吃午饭at rest在休息at table在吃饭at school上学at church做礼拜at peace处于和平状态(6)out of 构成的短语out of breath 上气不接下气out of balance失去平衡out of date过时out of patience不耐烦out of control失去控制out of business破产out of style过时,不时髦out of the ordinary不寻常的out of touch失去联系2.短语介词短语介词是介词和其他词类搭配形成的短语,不可独立使用,本身不能作句子成分,后面要跟名词、动名词或代词等。(1)表示“由于,因为”(通常在句中作状语)because of由于,因为(表示实际原因,表达一种较强的因果关系)on account of由于,因为,为了……的缘故(常用来引述逻辑、理性和事实因素)(2)表示“除……之外”with the exception of=except=except for除……之外apart from=except(for)除……之外(表示排除)apart from=besides=in addition to 除……之外(还,也)(表示补充)(3)表示“有关,关于”concerning=regarding关于,就……而论,在……方面with respect to=in respect of关于,就……而言as for=as to至于(用于句首)(4) 表示“在……之前”ahead of=in advance of(在空间或时间上比某人或某事物)更前,更早;领先,优于in front of 在……前方(多指空间的前后关系)(5) 表示“支持,赞成”in support of 维护,支持,支援in favour of支持,赞成(6) 表示“鉴于,由于;根据,按照”in the light of 按照,考虑到in terms of 就……而言,谈到according to 根据;按照in view of 鉴于,因为(7) 表示“尽管”in spite of 尽管,不管随堂练习Ⅰ.单词拼写1.Anything with strong      (重力) attracts other things to it. 2.Something gave me the strength to o      the difficulty. 3.After the routine     (评价) he was appointed as full professor. 4.We have found some drivers c         as to the law. 5.Richard was waiting outside the door as she     (出现). 6.They are drawing the g      blueprint with their own hands. 7.Being able to walk to work is an added b      of the new job. 8.The number of tourists to the resort      (下降) by 10% last year. gravity overcome evaluationclueless emerged grand bonusdeclinedⅡ.完成句子1.受生物老师影响,他开始研究医学。        his biology teacher,he took up the study of medicine. 2.有各种各样的职业机会向年轻人开放。There are           career opportunities open to young people. 3.问题在于是否能够加强保护。The question       protection could be improved. Influenced by a wide range of was whether makes it a rule some of which4.每次做实验都要记录,这成了他的习惯。He            to keep record on every experiment. 5.蘑菇有许多种,有些可以食用。There are many types of mushrooms,         can be eaten. 本课结束
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