2021新版北师大版必修第二册英语Unit 5 humansand nature sectionⅳ lesson3 教材讲解.doc

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1、Section Lesson 3 1DiscussionWhat do the following two pictures describe? Have you ever dreamed of a journey there? Why? The_two_pictures_describe_Antarctic.Ive_dreamed_of_going_there_for_a_visit.Ant arctic_continent_is_the_worlds_latest_discovery_of_the_continent,_alone_at_th e_southernmost_tip_of_t

2、he_Earth.Antarctic_is_known_as_the_“white_continent”_w ith_more_than_95_percent_of_the_area_covered_by_thick_ice_and_snow.Antarctic_ is_surrounded_by_the_Pacific,_Atlantic,_Indian_Ocean,_and_because_it_is_far_fr om_the_other_continents,_completely_cut_off_from_the_civilized_world_and_the_m ainland,_

3、it_has_not_yet_permanent_residents,_only_a_small_number_of_scientists_ _living_and_working_there_temporarily. 2PredictionLook at the pictures and the title of the text on Page 36 and predict what the text is probably about. The_text_is_mainly_about_the_exploration_to_Antarctic. .First readingSkim th

4、e text for the main idea of each part. Para. Main Ideas 1 The race to the_South_Pole began. 24 Amundsens team won_the_race 58 The_return_journey was of great difficulty. 9 Scott and his companions became heroes because of great_courage. 2.Second readingRead the text carefully and choose the best ans

5、wer. (1)Which of the following is a fact about the team of Captain Scott? ACaptain Scott set out earlier than Roald Amundsen. BCaptain Scott started on 1 June 1910 and marched nonstop till 17 January, 1912. COn their way back, they carried 20 kilos of rocks all the way with them. DThe whole team die

6、d from hunger. (2)Which of the following can NOT be the cause of the failure of the race for Captain Scott? AThey had to push the sledge themselves. BA storm broke out at a wrong time. CThey spent time writing home instead of struggling. DThe horses began to have serious difficulties with the snow a

7、nd the cold. (3)The story mainly tells us _ Aan experience of the race to the Pole Bthe lesson from Captain Scott Cthe way to the South Pole can be too hard Denough food will ensure us to go 答案 (1)C (2)C (3)A 3Third readingRead the text carefully and fill in the form below. Topic The Race to the Pol

8、e Amundsens successful expedition Amundsens successful expedition Amundsen from Norway was the first to leave,on 8 September, 1911. He had teams of dogs pulling sledges and all his men were on skis,because of which he made rapid_progress Amundsen reached the Pole on 14 December,1911 and put their na

9、tional flag there.Then he prepared for the return journey. Scotts difficult but courageous expedition Scott left on 1 November and soon had problems. The horses had difficulties with the snow and the cold, and the sledges broke down.After a while,Scott and his men had to push the sledges themselves.

10、 Scott and four team members finally reached the Pole and they were shocked by the Norwegians first arrival. Result and implied meaning The return journey was hard for Scott and his men.They were tired/exhausted and running out of food and the weather was terrible.All of the men died in the explorat

11、ion Scott and his men failed to win the race to the Pole but they were made into heroes because of their extraordinary courage. Discussion: 1What lessons have you learned from the story?Give your reasons. The_answer_is_open. 2Would you say that Scott and his team were losers?Why? The_answer_is_open.

12、 世界七大洲 1Asia 亚洲 2Europe 欧洲 3Oceania 大洋洲 4Antarctica 南极洲 5Africa 非洲 6North America 北美洲 7South America 南美洲 巧解推理判断题 1借助关键词进行推理判断 此类推理判断题只需要寻找与题干有逻辑关系的关键词就可以推出正确答案。因此,解题时应认真阅读试 题,弄清要求和回答问题的角度,结合原文看是否有关键词可以用来进行推理判断。 2借助关键句、段进行推理判断 此类试题的解答需要对较多信息进行阅读和推理,因此,解题时应认真阅读试题题干,回到原文找到与题 目有逻辑关系的关键句、段,并借助其进行推理判断,看与哪

13、一个备选项在意义与逻辑上吻合。 3借助常识进行推理判断 此类推理判断题要求在读懂所涉及内容的每个句子的基础上,结合自己的生活常识进行推断。 语言现象感知 .单词理解 体会句中加黑单词的词性和含义 1She opened the door in front of her,and saw the captain of the airplane and the other officers.n. 机长 2Shanghai is the most important industrial base of China.n.基地 .词块积累 写出下列词块的含义 1make progress 取得进步 2a

14、fter a while 不久;过一会儿 3prepare for the return journey 准备回程 4all the way 一路上,远道,自始至终 5at one time 曾经,一度 .句式欣赏 1but 连接并列句;though 引导让步状语从句。 We knew that poor Oates was walking to his death, but though we tried to stop him, we knew that it was the act of a brave man and an English gentleman. 2过去分词短语作定语 S

15、cott had failed to win the race to the Pole, but the great courage shown by Captain Scott and his men made them heroes. .单词语境记忆根据英汉提示写出单词的适当形式 1Organizers are making final preparations(prepare) for the Olympic Games. 2All the children remained cheerful (cheer)during the journey. 3One of his ambition

16、s (抱负) is to study abroad. 4I was born in a town that was quite distant (远的) from here. 5The old woman was anxiously (anxious) awaiting the return of her relatives. 6This is the information on the space exploration(explore) from the past, present and future. 7The study was based(以为基础) on data from 2

17、,100 women. 8He almost persuaded me of his honesty (honest) 9Tom cant persuade himself of my sincerity (sincere) 10In the face of danger, they show great bravery (brave) .短语语境填空根据汉语提示写出适当的短语 1The telephone system broke_down(坏了) suddenly while he was calling his mother. 2He carried_on (继续)the task le

18、ft by his comrades. 3I have_run_out_of(用完) all my money up to now. 4Joe is training in_preparation_for(为做准备) the next football match. 5I paid a visit to one of my old friends _on_my_way_to(在我回的路上) Boston. 6Are you making_progress (取得进步)in your study? 7Steven Spielberg is one of the most famous direc

19、tors in_the_history_of(在的历史上) film. 8I have_some_difficulty_(in)(在方面有困难) communicating with foreigners. 记单词 .“词中词”法帮你记 1antdistant 遥远的 2starstarve 挨饿 3havebehave 表现 4armharm 伤害 5plainexplain 解释 6frightfrighten 吓唬 7servedeserve 值得 8endtend 趋向 .词缀法助记派生词 1形容词后缀:ful cheer(n.) cheerful(adj.) harm(n)harmf

20、ul(adj.) 2名词后缀:ation, ty, y prepare(v.) preparation(n.) explore(v.)exploration(n.) honest(adj.)honesty(n.) sincere(adj.)sincerity(n.) brave(adj.)bravery(n.) 3副词后缀:ly anxious(adj.) anxiously(adv.) curious(adj.)curiously(adv.) .句式语境仿写 1Then came the total darkness of the polar winter.接着漆黑的极地冬夜来临了。 仿写

21、现在轮到你了。Now comes_your_turn 2He had teams of dogs pulling the sledges and all his men were on skis. 他让成群的狗拉着雪橇,所有人都坐在雪板上。 仿写 他让我们在午饭期间一直笑个不停。 He had_us_laughing during the lunchtime. 3We are very cheerful, but what each man feels in his heart I can only guess. 我们看上去都很愉快,但我能猜出大家心里的想法。 仿写 令民众担心的事是能否找到阻

22、止污染的方法。 What_worries_the_public is whether ways will be found to stop pollution. 句型公式 1完全倒装语序 2have宾语宾语补足语 3what 引导名词性从句 1preparation n预备,准备 prepare v准备 What preparations do they need to make? (教材 P36)他们需要做什么准备? 合作探究 体会 preparation 及其相关词的用法和意义 Theyve sold their house and car in preparation for leavi

23、ng the country. 他们卖掉了房子和汽车准备出国。 Mrs.White is busy making preparations for her daughters wedding. 怀特夫人正忙着为女儿的婚礼做准备。 Mother is preparing us a meal.We may wash our hands and prepare for the meal.妈妈正在给我们 准备饭,我们可以洗手准备吃饭了。 自主发现 in preparation for 准备 make preparations for 为作准备 prepare for. 为作准备 名师提醒 (1)pre

24、paration 用作不可数名词时表示“准备,预备” ,常用于 in preparation (for sth)短语中;(2) 用作可数名词时表示具体的“准备工作”,常与动词 make 连用,组成 make preparations for。 巩固内化 完成句子/翻译句子 In_preparation_for the 2020 Olympic Games, he trains hard every day. 为准备 2020 年奥运会,他每天都刻苦训练。 He didnt make_any_preparation_for this exam, so he failed. 他考试前没做任何准备,

25、所以没及格。 我们正为即将到来的考试作准备。 We_are_making_preparations_for/preparing_for_the_coming_exam. 2base n基地,大本营;基础 vt.以为基地 basic adj.基础的,基本的 During the polar summer of 19101911, both teams organised food bases in preparation for their journeys the next year.(教材 P36) 在 19101911 年的极地夏季,两队人都为下一年的探险做了食物储备。 合作探究 体会 b

26、ase 的用法和意义 You should base your conclusion on/upon careful research. 你应该以审慎的研究为基础而下结论。 The movie A Smile Is Beautiful is based on/upon the popular novel of the same name.电影微 微一笑很倾城是以同名人气小说为基础(改编)的。 自主发现 base.on/upon 把置于基础之上 be based on/upon 以为基础/根据 巩固内化 单句语法填空/翻译句子 Basic (base) research is of great

27、importance in all scientific fields. Based (base) on a true story, the novel is popular soon. 医患关系是以信任为基础的。(be based on) The_doctorpatient_relationship_is_based_on_trust. 3prove vt.证明;证实 Later, these rocks proved that at one time in the distant past, the continent of Antarctica was covered by plants

28、.(教材 P37) 后来,这些岩石证明,在遥远的过去,南极洲大陆曾一度被植物覆盖。 合作探究 体会 prove 的用法和意义 The difficulty was how he could prove his ideas to other scientists. 困难在于他怎样向其他科学家证实他的想法。 They prove themselves (to be) wise and brave.他们证实自己机智勇敢。 He proved (to be) an honest man.后来证明他是一个诚实的人。 It is proved that this method is effective.据

29、证明这种方法是行之有效的。 自主发现 prove sth to sb 向某人证明某事 prove oneself (to be) . 证明自己是 prove (to be)n./adj. 原来是;证明是 It is proved that. 据证明 巩固内化 单句语法填空 She proved herself (her) to be an able secretary. By 1914 Einsteins theory proved to_be (be) correct. It has been proved again and again that what is said in the a

30、ds greatly affects peoples impression of the products. Can you prove your theory to us? break down 停止运转,出故障;(身体等)垮掉;失败;使分解 First, his two sledges broke down, and then the horses began to have serious difficulties with the snow and the cold.(教材 P36) 先是他的两辆雪橇坏了,后来马匹开始应付不了大雪和严寒的天气。 短语记牢 记牢下列短语 break ou

31、t 突然爆发 break up 粉碎;结束;解散 break through 获得重大发现;取得重大突破;冲出 Talks with business leaders broke down last night. 昨晚与商界领导人的谈判失败了。 Everybody was alarmed at the news that war might break out. 听到战争可能爆发的消息人人感到恐慌。 巩固内化 (1)写出句中 break down 的含义 Her health broke down under the pressure of work.垮掉 I left London when

32、 my marriage broke down.失败 The car broke down just north of Paris.出故障 Food is broken down in the stomach.使分解 (2)完成句子 Angry people broke_through (冲过) the barriers despite of warnings from the police. Two world wars have_broken_out (爆发) in our planet so far. 1Then came the total darkness of the polar

33、winter.(教材 P36)接着漆黑的极地冬夜来临了。 句式解读 该句为完全倒装语序,主语为 the total darkness of the polar winter, 谓语为 came。 用法总结 (1)表示地点的副词 here, there, up, down, out, in, away;表示时间的副词 now, then;表语以及表 示地点的介词短语位于句首时,句子用完全倒装。 (2)完全倒装句中的谓语动词常是系动词 be 或 come, go, lie, stand 等不及物动词,且主语是名词。 Here comes the bus.公共汽车来了。 In came the he

34、admaster.校长进来了。 Gone are the days when we were looked down upon. 我们被瞧不起的日子一去不复返了。 In the yard stands a tall tree.院子里有一棵大树。 名师提醒 (1)这种完全倒装结构的时态只限于一般现在时或一般过去时。 (2)谓语动词的单复数视后面主语的单复数而定。 巩固内化 用完全倒装结构完成下列句子 At the foot of the mountain lives_an_old_man (住着一位老人) Out rushed_a_big_dog (一条大狗冲了出来) North of the

35、village lies_a_river (卧着一条河) 2He had teams of dogs pulling the sledges and all his men were on skis.(教材 P36) 他让成群的狗拉着雪橇,所有人都坐在雪板上。 句式解读 本句使用了句型“have宾语宾语补足语”, 其中 have 是使役动词, 意为“使, 叫, 让”。 用法总结 该句型用法有以下几种: (1)have sb/sth doing 让某人做某事(动作具有持续、进行含义) (2)have sb do 让某人做某事 (3)have sth done 让/请别人做某事;遭受到 They

36、tried to have her talking, but no use.他们想让她说话,但没用。 She had planned to have her daughter marry Laurie. 她本打算让女儿嫁给劳里。 As we left we had a photograph taken together.临走时,我们一起照相了。 巩固内化 单句语法填空 He had his favorite Alsatian dog poisoned(poison) and two other dogs in the household shot(shoot) Shell have you d

37、oing (do) all the housework if youre not careful. The rich lady had the singer eat(eat) with her servants. .课文语法填空 On 1 June, 1910, Captain Scott began his journey 1.to_ Antarctica.At the same time, the Norwegian explorer Roald Amundsen was also going south.During the polar summer, both teams organi

38、sed food bases in 2.preparation (prepare) for their journeys.Amundsen reached the Antarctica first.Then he prepared for the return journey.Scott 3.finally(final) arrived at the Pole.They 4.were_shocked (shock) when they saw the Norwegian flag.Scott wrote sadly in his diary:“Well, we have now lost th

39、e goal of our ambition and must face 800 miles of hard pushingand goodbye to most of our 5.dreams (dream)” The return journey was one of the worst in the exploration.The weather conditions were terrible.Scott realised their 6.hopeless (hope) situation:“We are very cheerful,7.but what each man feels

40、in his heart I can only guess .”Then a terrible storm started.Scott spent some of his last hours 8.writing (write)He wrote a letter full of sadness to his wife.The news of Scotts death shocked 9.the world.He had failed to win the race to the Pole, but the extraordinary courage 10.shown (show) by Cap

41、tain Scott and his men made them heroes. .根据提示完成课堂小作文 上周我们参加了夏令营,对此我们做了充分的准备(make preparations for)。一大早我们就出发了。在 去夏令营的路上(on ones way to),我们的车坏(break down)了。过了一会儿(after a while),我把 车修好(have sth done)了。我们快速开车到目的地,不幸的是,我们的油用完(run out of)了,我费了 好大劲(have great difficulty in)才弄来了汽油。令我吃惊的是(to ones shock),当我们

42、到达目的 地时,没有人。结果是我弄错了时间。 Last_week_we_joined_a_summer_camp.We_made_full_preparations_for_it.We_set_off_ _early_in_the_morning.On_our_way_to_the_summer_camp,_our_car_broke_down.After_ _a_while, I_had_it_repaired_well.We_drove_quickly_to_the_destination.Unluckily_we_ran_out _of_petrol.I_had_great_diffic

43、ulty_in_getting_some_petrol.To_my_shock,_when_we_ _arrived_at_the_destination, there_was_no_one.It_turned_out_that_I_were_mistaken_about_the_exact_time. 后缀 有些英语单词由三部分组成,即:前缀,词根及后缀。单词中位于词根前面的部分就是前缀,位于词根后 面的部分就是后缀。如:unacceptable 中 un 是前缀,accept 是词根,able 是后缀。后缀词是指在一个词 根的后面附加一个或几个字母构成的一个新词。如:snowy 中 y 就

44、是后缀。通常,后缀改变单词的词性, 不改变词根的含义。 合作探究 画出下列单词的后缀 1reader 读者 2.inventor 发明家 3Chinese 中国人 4.Indian 印度人 5artist 艺术家 6.kindness 和蔼 7operation 手术 自主发现 这些单词是在各自的词根后加了不同的后缀,如er, or, ese, ian 等。 常见的后缀见下表: 分类 举例 名词后缀 er/or(从事的人),ese(某地人),ess(雌性),ian(的 人),ist(专业人员),ism(主义),ment(性质;状态),ness(性 质),tion/ation(动作;过程),do

45、m(状态;区域) 动词后缀 en(多用于形容词之后),fy(使化),ize(使成为) 形容词后缀 al,able,an,ble,ern,ful,ive,less,like, ly,y,ous,some 副词后缀 ly(用于形容词后表示方式或程度),ward(s)(表示方向) 数词后缀 teen,th,ty 当我们的单词积累到一定词汇量的时候,通过前缀后缀的对比可以帮助我们理解记忆这些单词,比如 通过构词法产生的新单词可以帮助背诵基本的单词,从而避免一些记了新单词而忘记老单词的情况。 巩固内化 1画出下列单词的名词后缀 teacher 教师 Japanese 日本人 musician 音乐家 a

46、rtist 艺术家 2画出下列单词的动词后缀 widen 加宽 beautify 美化 3画出下列单词的形容词后缀 American 美国的 careful_细心的 active 有活力的 4画出下列单词的副词后缀 quickly 迅速地 angrily 生气地 5画出下列单词的数词后缀 thirteen 十三 fourth 第四 .给下面单词加上适当的后缀 1movement n运动 2darkness n. 黑暗 3invention n. 发明 4realize v. 意识到 5national adj. 民族的 6reasonable_ adj. 合理的 7northward adv.

47、 朝北 8upward(s) adv. 向上 .单句语法填空 1Chengdu has dozens of new millionaires, Asias biggest building, and fancy new hotels.But for tourists like me, pandas are its top attraction (attract) 2He is the only survivor(survive) of this earthquake. 3It is certainly (certain) fun but the lifestyle is a little un

48、real. 4As natural (nature) architects, the Pueblo Indians figured out exactly how thick the adobe walls needed to be to make the cycle work on most days. 5She is determined to carry on with her education(educate) 6However, be careful (care) not to go to extremes. .单词拼写 1His ambition(抱负) is to become

49、 a great scientist in the future. 2She welcomed us with a cheerful (兴高采烈的)greeting. 3In the past, studying abroad was a distant (遥远的) dream for most people. 4He is practising every day, in preparation(准备) for the iceskating championship. 5He travelled alone across the whole continent(大洲) of Africa from east to west. 6The first thing youll see on Mars

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