北师大版高中英语必修第三册UNIT9 Period4课件

这是一份北师大版高中英语必修第三册UNIT9 Period4课件，共60页。
UNIT 9　LEARNINGPeriod Four Lesson 3课前自主预习Ⅰ．猜词意　A．数字　B．出版；发表；刊登　C．细胞　D．技巧，手法　1．The doctors discovered cancerous cells. (　　)2．She doesn’t have the technique of a truly great performer. (　　)3．The number 345 contains three digits. (　　)4．She was only 19 when her first novel was published. (　　)【答案】1－4 CDAB　Ⅱ．猜单词拼写1．arrange v.→____________ n．计划；安排　2．emotion n.→___________ adj. 情感上的；情绪上的　3．photograph n.→__________ adj. 详细准确的；照片的；摄影的　4．period n.→____________ adv. 定期地　5．memory n.→_____________ n．记忆　【答案】1．arrangement　2．emotional　3．photographic　4．periodically　5．memorisation　Ⅲ．猜短语填空take it easy, connect…to, in terms of1．Can I link my printer to your computer？＝Can I ______ my printer ______ your computer？2．Sit down and have a break for a few minutes.＝Sit down and ______________ for a few minutes.3．As for money, I was better off in my last job.＝______________ money, I was better off in my last job.【答案】1．connect; to　2．take it easy　3．In terms of　课文语篇研读Ⅰ．表格填写【答案】1．emotional　2．with　【答案】3．retell　4．detail　5．curious　【答案】6．natural　7．rules　【答案】8．full　9．smaller　10．worse　Ⅱ．阅读理解　(　　)1．When remembering something new，try to connect it to ______.A．our knowledge　 B．our experience　C．our emotions　 D．our thoughts　【答案】C(　　)2．Who can remember the first 22,514 digits of pi (π)？A．Stephen Wiltshire. B．Daniel Tammet.C．Jemima Gryaznov. D．Hermann Ebbinghaus.【答案】B(　　)3．When does the sharpest loss of memory occur？A．During the very early period after learning.B．During the first three days after learning.C．During the first week after learning.D．During the first hour after learning.【答案】A(　　)4．How many brain cells do we lose every day by the age of 40？A．1,000． B．100,000.C．1,000,000． D．10,000.【答案】D(　　)5．When does our memory reach its full power？A．At the age of 25.B．At the age of 16.C．At the age of 40.D．At the age of 18.【答案】A　Ⅲ．判断正误　(　　)1．The reason why childhood memories are good is that all the things were told many times.(　　)2．In fact no one has a photographic memory in the world.(　　)3．It is unnatural that we easily forget the new words that we learnt.【答案】1－3 TTF　(　　)4．Our memory began to decline when we are 40 years old.(　　)5．When we memorise detailed learning materials，we only need to concentrate on the important ideas and be curious about what we learn.【答案】4－5 FT　Ⅳ．匹配段落大意【答案】1－4 BADC　Ⅴ．课文语法填空We remember things that have strong connections in our mind，especially 1._______ (emotion)connections. We remember interesting and funny stories from our childhood 2._______ are often told again and again. No one has proved that there are such people who 3._______ (real)have photographic memories. 【答案】1．emotional　2．that/which　3．really　But there are some people who do have 4._______ (amaze) memories. It is natural 5._______ many people to forget the new words learnt yesterday. The sharpest loss of memory occurs during the very early period after 6._______ (learn). Therefore，one of the golden 7._______ (rule)to increase how much we remember is to review the material 8._______ (periodical)，especially during the first day after learning. 【答案】4．amazing　5．for　6．learning　7．rules　8．periodically　Our memory reaches 9._______ (it) full power at the age of 25. After this age，the brain starts to get smaller. By middle age，our memory is significantly worse 10._______ when we were young.【答案】9．its　10．than　课堂新知讲练1．arrangement n. 计划；安排　(P58)facts and arrangements　【翻译】事实和安排　◇词汇拓讲【用法详解】My boss arranged for me to discuss details with someone from another company.老板安排我和来自于别的公司的人讨论细节。【针对练习】单句语法填空(1)They had no time ______ (arrange)their own wedding，so they had it organised by a company.(2)Some parents arrange almost everything ______ their children and spare no effort to pave the way for their success.(3)I am looking forward to being told about your ______ (arrange) of vacation.【答案】(1)to arrange　(2)for　(3)arrangements　完成句子(4)I have ______ ______ ______ ______ ______ ______ the experts at the airport.我已经安排汤姆去机场接专家了。(5)If you want to succeed，you’d better ______ ______ ______ the future.如果你想成功，你最好为将来做好安排。【答案】(4)arranged for Tom to pick up　(5)make arrangements for　2．emotional adj. 情感上的；情绪上的　(P58)We remember things that have strong connections in our mind，especially emotional connections.【翻译】我们会记住与头脑中有较强关联的事情，特别是情感联系。①emotional adj. 激动人心的；有感染力的；易动感情的；感情用事的　emotional harm 情感伤害　②emotion n. 强烈的感情；情绪；激情　be overcome with emotion激动不已　a mixture of emotions百感交集　③emotionally adv. 情绪上；情感上　【用法详解】The story will open up her emotional floodgates.这个故事将会打开她情感的闸门。His face conveys all kinds of emotions：from happiness to sadness.他脸上显现出各种表情，从高兴到悲伤。【针对练习】单句语法填空(1)My family provides ______ (emotion)support when I feel very painful.(2)He finished his speech ______ (emotion).【答案】(1)emotional　(2)emotionally　完成句子(3)Mary ______ ______ ______ ______ yesterday.昨天玛丽激动不已。(4)He could never see the face of Goldstein without ______ ______ ______ ______ ______.每次看到戈德斯坦的面孔，他都禁不住百感交集，痛苦异常。【答案】(3)was overcome with emotion　(4)a painful mixture of emotions　3．as a result 作为结果　(P58)As a result，we remember them much better，as retelling events helps fix experiences in our memories.【翻译】重复事件能加强我们对事件的印象，结果是，我们能更好地记住这些经历。result的相关短语：　as a result作为结果(后接结果)　as a result of… 作为……的结果；由于……(后接原因)　result in导致；造成(后接结果)　result from由……引起；起因于(后接原因)　【用法详解】As a result of more and more pollution，many species are dying out.由于越来越多的污染，很多物种正在灭绝。【针对练习】单句语法填空(1)His laziness resulted ______ his failure；that is to say，his failure resulted ______ his laziness.(2)We are still dealing with problems ______ (result) from errors made in the past.【答案】(1)in; from　(2)resulting　完成句子(3)He had some bad fish. ________ (结果), he felt ill this morning.(4)He can’t take part in the sports meeting ___________ (由于) his serious injuries in an accident.【答案】(3)As a result　(4)as a result of　4．sharp adj. 急剧的，猛烈的；尖的，锋利的　(P59)According to him，the sharpest loss of memory occurs during the very early period after learning.【翻译】根据他的说法，最显著的遗忘出现在学习之后的最初阶段。①a sharp increase急剧增加　a sharp turn 急转弯　be sharp with sb 对某人严厉　a sharp pain一阵剧痛　have a sharp tongue 说话刻薄　【用法详解】②sharply adv. 急剧地；严厉地　fall sharply急剧下降　③sharpen v. 使增强；使提高；使变锋利　She has sharp eyes.她目光敏锐。Through all the noise came a sharp warning cry.在嘈杂中传来一声尖锐的警告声。【针对练习】单句语法填空(1)—What is the price of petrol these days？—Oh，it has risen ______ (sharp) since last month.(2)They also made tools of bones and ______ (sharp) stones.【答案】(1)sharply　(2)sharpened　完成句子(3)Nowadays，there is ______ ______ ______ (急剧增加)in children’s creativity，for they are greatly encouraged to develop their talents.(4)He _____ _____ _____ (对……严厉) me when I was late.(5)As everybody knows，she ______ ______ ______ ______ (说话刻薄).【答案】(3)a sharp increase　(4)was sharp with　(5)has a sharp tongue　5．up to 多达；直到；能胜任　(P59)At that point，we can remember up to 200 pieces of information in a second.【翻译】在那时，我们可以在一秒钟内记住多达200条信息。up to有多种含义：　①(数量或数目)多达　②直到(某个时刻或日期)：up to now 直到现在　③能胜任：be up to the important job 胜任这一重要工作　④正在做(秘密或不该做的事)：　be up to writing a novel 正在写小说　⑤由……决定；是某人的义务：be up to you 由你决定　【用法详解】It’s up to you what kind of life you will lead in the future.将来过怎样的生活取决于你自己。It’s up to you to find out what your goals really are.你真正的目标是什么，只能由你来发现。【针对练习】写出句中up to 的含义　(1)I don’t feel up to the task. ______(2)He knew Bailey was up to something. But what？______(3)They stayed there up to 7 days a week. ______【答案】(1)能胜任　(2)正在做　(3)多达　完成句子(4)Michael is not really ______ ______ (胜任) the job as an architect.(5)The children are very quiet. I wonder ______ ______ ______ ______ ______ (他们正在做什么).【答案】(4)up to　(5)what they are up to(P58)This is because when we experience things for the first time，we often have strong feelings of fear or excitement.【翻译】这是因为我们第一次经历事情时，常常会产生强烈的恐惧感或者兴奋感。【考点提炼】“This is because…”意为“这是因为……”，because引导表语从句。◇句式解读【归纳拓展】It/This/That is because…这/那是因为……(because后接原因)　It/This/That is why…这/那就是……的原因(why后接结果)　The r`eason is that…原因是……　The deadline is drawing near. That is why we are very busy.最后期限要到了。这就是我们很忙的原因。From space，the earth looks blue. This is because about seventy-one percent of its surface is covered by water.从太空中看，地球是蓝色的。这是因为它表面约71%都被水覆盖着。The reason why the students favour the book is that they can carry it with them wherever they go.学生们喜欢这本书的原因是他们无论去哪都可以随身携带它。【针对练习】单句语法填空(1)He fell asleep during the lecture. This was ______ he got bored with it.(2)The reason ______ he missed the bus was that he got up late.(3)He failed the exam again. The reason was ______ he was too careless.【答案】(1)because　(2)why　(3)that　突 破 语 法【例句观察】1．Retelling events helps fix experiences in our memories.2．There are some people who do have amazing memories.3．They are both good at remembering particular things for a limited time.4．One of the golden rules to increase how much we remember is to review the material periodically.观察领悟【我的领悟】1．上面加黑部分都是谓语动词，既有________形式(如句1,4)；也有________形式(如句2,3)。2．在英语句子里，谓语受主语支配，其动词必须和________在人称和数上保持一致，主谓一致包括________一致、________一致和________一致。Keys：1．单数； 复数　2．主语； 语法； 意义； 就近　主谓一致即谓语动词在人称和数上要和主语保持一致。主谓一致包括语法一致、意义一致和就近一致。语法一致即谓语动词在单复数形式上要和主语保持一致；意义一致就是谓语动词要和主语意义上的单复数保持一致；就近一致就是谓语动词要和靠近它的主语部分保持一致。主谓一致一、语法一致原则　即主语为单数，谓语用单数；主语为复数，谓语也用复数。即主语的单复数决定了谓语动词的单复数。1．单数主语即使后面带有with，along with，together with，like(像)，but (除了)，except，besides，as well as，rather than(而不是)，including，in addition to 引导的短语，谓语动词仍用单数。Air as well as water is matter.空气和水都是物质。No one except two servants was late for the dinner.除了两个仆人外，没有一个人用餐迟到。2．不定式(短语)，动词-ing形式(短语)，或从句作主语时，谓语动词用单数。Serving the people is my great happiness.为人民服务是我很大的幸福。When we’ll go out for an outing has been decided.我们什么时候去郊游已经决定了。3．用连接的并列主语被each，every或no修饰时，谓语动词用单数。Every boy and every girl likes to go swimming.每个男孩和每个女孩都喜欢去游泳。No teacher and no student was absent from the meeting.没有老师也没有学生缺席会议。4．若主语中有more than one或many a/an，尽管从意义上看是复数，但它的谓语动词仍用单数。Many a boy likes playing basketball.许多男生都喜欢打篮球。More than one student was late.不止一个学生迟到。5．名词如：trousers，scissors，clothes，goods，glasses 等作主语时，谓语动词必须用复数。His clothes are good.他的衣服很好。【针对练习】单句语法填空1．My father，together with some of his old friends, _______ (be) there already.2．More than one answer ____ (give) to the question recently.3．Laying eggs ________ (be) the ant queen’s full-time job.【答案】1．has been　2．has been given　3．is　4．Each man and woman ________ (have)the same rights.5．My blue trousers ______ worn out. One pair of trousers ______ not enough. (be)　6．Many a student ________ (realise) the importance of learning a foreign language since then.【答案】4．has　5．are; is　6．has realised　二、意义一致原则　意义一致原则指不管主语的形式是单数还是复数，主语的意义决定了谓语动词的单复数。1．主语中有all，half，most，the rest等，以及“分数或百分数＋名词”作主语时，谓语动词单复数取决于连用的名词。The rest of the bikes are on sale today.剩下的自行车今天出售。Most of the apples were rotten.大部分的苹果都是烂的。60% of the apple was eaten by the little boy.这个苹果的60%都被这个小男孩吃了。2．表示时间、金钱、距离、度量等的名词作主语时，尽管是复数形式，它们作为一个单一的概念时，其谓语动词用单数。Ten miles is a good distance.十英里是一段相当长的距离。3．集体名词有三种情形。(1)通常作复数的集体名词，包括police，people，cattle 等，其谓语动词常用复数。The British police have only very limited powers.英国警察的权力非常有限。(2)通常作不可数名词的集体名词，包括equipment，furniture，clothing，luggage, advice，progress等，其谓语动词常用单数。Some advice is given to you about how to improve your English.关于如何提升英语，给你一些建议。(3)可作单数也可作复数的集体名词，包括 audience，committee，government，family，enemy，group，party，team，public等。The committee has/have decided to dismiss him.委员会决定解雇他。4．“the＋形容词/过去分词形式”表示一类人，作主语时，谓语动词用复数。The injured were saved after the fire.受伤的人在火灾后得救了。【针对练习】单句语法填空1．Most of the students ______ (be) boys.2．Most of his money ______ (be) spent on books.3．Half of the visitors ______ from Europe. Half of the fruit ______ bad. (be)　【答案】1．are/were　2．is/was　3．are; is　4．Five hundred dollars ______ (be) more than he can afford.5．The policeman ______ (be)standing at the street corner. The police ______ (be) searching for him.6．The young ______ (be) the vital forces in our society.【答案】4．is　5．is/was; are/were　6．are　三、就近一致原则　就近一致原则指谓语动词的单复数形式取决于离它最近的主语。1．由here，there等引导的倒装句中，有时主语不止一个时，谓语动词与靠近它的主语在数上一致。Here comes the bus.公共汽车来了。Here is a pen and some pieces of paper for you. 给你一支钢笔和几张纸。2．用连词or，either…or，neither…nor，not only…but also 等连接的并列主语，谓语动词与靠近它的主语在数上一致。Neither the students nor the teacher knows anything about it.学生和老师都不知道这事。He or you have taken my pen.他或者你拿了我的钢笔。【针对练习】单句语法填空1．Neither Tom nor his parents ______ (be) at home.2．Not only I but also David and Iris ______ (be) fond of playing basketball.3．Either you or I ______ (be) going to the teachers’ office after class.4．There ______ a pen，an ink bottle，and some books on it. There ______ some bowls，plates and a spoon on it. (be)　【答案】1．are　2．are　3．am　4．is; are　一、用所给词的适当形式填空Last week, a charity sale 1._______ (be) successfully held on our school playground. In order to organise it successfully, we 2._______ (make) full preparations. When the day finally came, the playground 3._______ (crowd) with people, interested in the things on sale. 【答案】1．was　2．had made　3．was crowded　追踪练习There 4.______ (be) various used books and magazines, 5._______ (range) from literature works to popular science books, as well as second-hand goods in good condition. The notebook copies from excellent students 6.______ (be) the most popular. Not only the students but also the teachers came to offer us support. Some helped sell goods, and others even sang songs 7.______ (promote) the sale! 【答案】4．were　5．ranging　6．were　7．to promote　By the end of the activity, to everyone’s surprise, we raised 5,000 yuan in total, which 8._______ (be) a large sum of money for us. All the money 9._______(collect) will go to the students in need to help with their studies. It 10._______ (be) such a rewarding activity that students all look forward to the next charity sale.【答案】8．was　9．collected　10．is　二、完成句子1．He has eaten up some of the cheese. The rest ______ ______ ______.他已经吃完了一些奶酪。其余的都坏了。【答案】1．has gone bad　2．____ ____ ____ ____ some advice on how to learn English，while what he looks forward to ____ ____ ____ _____.他想要的是一些关于如何学习英语的建议，而他期待的是一些英语词典。3．Swimming in the Yangtze River ______ ______ ______.在长江游泳需要很大的勇气。【答案】2．What he wants is; are some English dictionaries　3．needs great courage　4．Either you or Jack ______ ______ ______ ______ ______ ______ ______ the manager.不是你就是杰克即将代替经理的职位。5．The class ______ ______ ______ on the exercises at the moment.这个班现在正忙着做练习。【答案】4．is about to take the place of　5．are busy working　随堂知能小练一、单词拼写1．Those ______ (细胞)divide and give many other different types of cells.2．I was approaching a fairly ______ (急剧的) bend that swept downhill to the left.3．A couple of other points about ______ (记忆) are also very important for language learning.【答案】1．cells　2．sharp　3．memorisation　4．What memories do you have about your ______ (童年)？5．There are so much to learn，so much ______ (兴奋) in this world.6．What do you think of this ______ (计划)？7．We understand the terrible ______ (情感上的) stress you have gone through.【答案】4．childhood　5．excitement　6．arrangement　7．emotional　8．He had a ______ (详细准确的) memory for maps.9．Each couple came for an interview about three months before their wedding，and then ______ (定期地) afterward.10．Due to your ______ (及时的) help and encouragement，I managed to solve all the problems.【答案】8．photographic　9．periodically　10．timely　二、单句语法填空1．I really want you to share my ______ (excite) and happiness with me.2．His ______ (memorise) of vocabularies is well enough to not making mistakes in tests.3．We have already made ______ (arrange)for our vacation.【答案】1．excitement　2．memorisation　3．arrangements4．As ______ result，I have a good command of English.5．Jack，with his parents, ______ (intend) to set out for Europe on business next week.6．It is very wise of him ________ (read) this novel.7．When ______ (stay) at home，I often play chess with my grandpa.【答案】　4．a　5．intends　6．to read　7．staying　8．Tom was late for work this morning. That is ______ he overslept.9．He stared at the girl as if he had seen her ______ the first time.10．After ______ (pick) up his things，he hurried to the station.【答案】8．because　9．for　10．picking　三、根据汉语提示补全短文　When it comes to the sport in our school, I can’t wait to tell you the following information. Influenced by the policy, our school 1._____________ (非常重视) PE. Every day, except for PE classes, we can expose to a variety of sports, such as running, swimming, football, basketball and so on. 【答案】1．attaches great importance to　2._________(最让我们兴奋的是) the annual sports meeting held in November, which 3.__________ (给我们提供一个平台) to display our sports talent. Honestly，4.__________ (所有的课程和活动确保) we students keep our balance between study and health, which greatly 5.__________ (给……增添色彩) our school life.【答案】2．What excites us most is　3．offers us a platform　4．all the classes and activities ensure　5．add colour to