Unit 5　Section A　Starting out & Understanding ideas同步（ppt课件）(共59张PPT)-2022新外研版（2019）《高中英语》必修第一册.pptx

1、Unit 5 Into the wild素养导航晨读晚诵素养导航晨读晚诵 Many animals have disappeared during the long history of the earth.The most famous of these animals are dinosaurs.They lived on the earth tens of millions of years ago,long before humanscame into being and their future seemed secure at that time.There were many d

2、ifferent kinds of dinosaurs and a number of them used to live in China.The eggs of twenty-five species have been found in Xixia County,Nanyang,Henan Province.Not long ago a rare new species of bird-like dinosaur was discovered in Chaoyang County,Liaoning Province.When scientists inspected the bones,

3、they were surprised to find that these dinosaurs could not only run like the others but also climb trees.They learned this from the way the bones were joined together.素养导航晨读晚诵 Dinosaurs died out suddenly about 65 million years ago.Some scientists think it came after an unexpected incident when a hug

4、e rock from space hit the earth and put too much dust into the air.Others think the earth got too hot for the dinosaurs to live on any more.Nobody knows for sure why and how dinosaurs disappeared from the earth in such a short time.We know many other wild plants,animals,insects and birds have died o

5、ut more recently.According to a UN report,some 844 animals and plants have disappeared in the last 500 years.The dodo is one of them.It lived on the Island of Mauritius and was a very friendly animal.Next time we will listen to a story of the dodo and how it disappeared from the earth.素养导航晨读晚诵词海拾贝di

6、sappear v.消失dinosaur n.恐龙come into being 形成inspect v.检查,检验;审视;检阅;视察die out灭绝for sure 确定,肯定素养导航晨读晚诵典句欣赏When scientists inspected the bones,they were surprised to find that these dinosaurs could not only run like the others but also climb trees.译文:科学家在检查这些骨头时,惊奇地发现这些恐龙不仅能像其他恐龙一样跑,而且还能爬树。分析:这是一个主从复合句。句

7、中when引导时间状语从句;that引导宾语从句,宾语从句中含有not only.but also.“不仅而且”的并列结构。素养导航晨读晚诵探究思辨1.Why are Henan Province and Liaoning Province mentioned in the passage?2.What might result in dinosaurs dying out according to scientists?答案:1.To show us there were many different kinds of dinosaurs and a number of them used

8、to live in China.2.An unexpected accident or the hot weather.Section AStarting out&Understanding ideas.知识体系图解 重点词汇 1.n.慈善机构;慈善团体 2.adj.大西洋的 3.adj.一年一度的;每年的 4.v.寻找;寻求 5.v.量;测量 6.n.位置 7.v.测定;确定 8.adv.终于;最终 9.n.解决;解决方法 charityAtlanticannualseekmeasurepositiondetermineeventuallysolution10.adj.惊人的;了不起的 1

9、1.v.破坏;毁掉 12.v.活下来;幸存 13.n.影响;结果 14.whale n.15.migration n.16.professor n.17.mystery n.18.crash v.19.chemical n.20.creature n.amazingdestroysurviveeffect鲸迁徙教授难以理解的事物;谜暴跌化学品生物;动物重点短语1.interact with 2.in search of 3.find out 4.in trouble 5.砍伐;削减 6.导致 7.确保 8.以为食 9.的数量 与相互作用寻找弄清楚处于麻烦之中;陷入困境cut downlead

10、tomake surefeed onthe number of重点句式1.One of the most wonderful migrations in nature is that of the North American monarch butterfly.2.The more we know about this lovely creature,the greater the chance it will survive and keep its place in the natural world for a long time to come.释义匹配1.solution A.to

11、 look for sth./sb.;to try to obtain or achieve sth.2.destroyB.to continue to live or exist despite a dangerous event or time3.seekC.to damage sth.so badly that it no longer exists,works,etc.4.crashD.a way of solving a problem or dealing with a difficult situation5.surviveE.to lose value or fail sudd

12、enly and quickly答案:1.D2.C3.A4.E5.B.阅读导学1.根据P5051课文内容,判断正(T)误(F)。(1)Animals like to move all around the world all the year round.(2)Every spring the North American monarch butterflies fly north.(3)The monarch determines the direction by measuring the position of the sun.(4)The reason why the number o

13、f the monarch is falling is the long and difficult migration.(5)People should take measures to protect the environment to save the monarch butterflies.(6)People cut down trees on the monarchs way of migration for them to travel freely and easily.答案:(1)F(2)T(3)T(4)F(5)T(6)F 2.根据P5051课文内容,选择正确答案。(1)Ho

14、w far is it for the monarch to migrate in a year?A.About 3,500 kilometres.B.About 4,000 kilometres.C.About 7,200 kilometres.D.About 8,000 kilometres.(2)Why did the scientists study the monarchs behavior?A.To feed them.B.To protect them.C.To live on them.D.To solve a mystery.答案:(1)D(2)B 重点词汇重点句式随堂练习1

15、.They migrate to find food,seek a partner,or in search of warmer weather.(教材P50)它们迁徙是为了寻找食物、配偶或者更暖和的天气。【词汇精讲】seek为动词,意义为“寻找;探索;寻求”。seek为不规则动词,其过去式和过去分词都是sought。seek表示“企图;试图”的意思时,后接不定式作宾语。One way children seek more attention from parents is by making themselves different from their siblings.孩子寻求父母更多的

16、关注的一种方式是使自己不同于他们的兄弟姐妹。I have never sought to hide my views.我从不企图隐瞒自己的观点。重点词汇重点句式随堂练习【词汇拓展】seek ones fortune/fame追求财富/名誉seek after/for寻找;追求seek sth.from sb.向某人寻求某物seek to do sth.(=try/attempt to do sth.)试图/企图做某事重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.They migrate to find food,seek a partner,or in search of warmer

17、weather.(教材P50)它们迁徙是为了寻找食物、配偶或者更暖和的天气。【词汇精讲】(1)in search of是固定短语,意为“搜寻;寻找”。Rescue workers are digging through the ruins in search of other victims.救援人员正在废墟中挖掘,以搜寻其他受害者。重点词汇重点句式随堂练习(2)search用作及物动词时,表示“搜查”,其后通常接地点名词或人物名词作宾语;search用作不及物动词时,与介词for连用,表示搜寻、寻找某个特定的目标。The policeman searched the thief,but fo

18、und nothing.警察对那个贼搜身,但是一无所获。They searched for a place where they could sit on the floor.他们寻找一个可以席地而坐的地方。(3)search.for有时可以分开使用,表示“在某地搜寻某东西”。We searched the woods for the missing child.我们在森林里寻找那个走失的孩子。Jeff searched in vain for Rosie in the next four days.杰夫接下来找了四天也没有找到罗西。重点词汇重点句式随堂练习【词汇拓展】in memory of

19、作为对的纪念in favour of支持;赞同in honour of向表示敬意in case of以防;万一in terms of就来说in spite of尽管in charge of负责He founded the charity in memory of his beloved late wife.他建立了那个慈善机构来纪念自己深爱的已故的妻子。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习3.It uses its eyes to measure the position of the sun.(教材P50)它用眼睛来测量太阳的位置。【词汇精讲】measur

20、e作为动词,意义为“量;测量”;measure作连系动词,意为“有长/宽/高”。measure还可以作名词用,意为“措施;量度;尺寸;程度;方法”。They measured the height of the ceiling.他们测量了天花板的高度。The pond measures about 10 metres across.这个池塘宽约十米。If this measure fails,there are other methods we could fall back on.这个措施要是不行,我们还可采取别的办法。重点词汇重点句式随堂练习【词汇拓展】measure.by.用来衡量mak

21、e.to ones measure按某人的尺寸做(衣服等)take measures to do sth.采取措施做某事in some measure 在某种程度上economy measures 节约措施economic measures 经济措施measurement n.测量You are right in some measure.从某种程度上来说你是对的。Youth is not measured by age but mood.年轻不是用年龄来衡量的,而是一种心境。My mother made me a pair of trousers to my measure.我妈妈按照我的尺

22、寸给我做了一条裤子。重点词汇重点句式随堂练习重点词汇重点句式随堂练习4.The solution to the mystery of the monarchs amazing ability comes at a time when it is in serious trouble.(教材P51)揭开黑脉金斑蝶惊人能力的谜底出现在它处于严重的困境中的时候。【词汇精讲】solution为名词,意为“解决;解决方法”,其后常接介词to。For the past two years,Gordons students have been studying ways to kill bacteria i

23、n zero gravity,and they think theyre close to a solution.(2019全国卷)在过去的两年里,戈登的学生一直在研究在无重力的情况下杀死细菌的方法,而且他们认为自己已经接近解决方法了。It is an easy solution,but not the correct one.这是一个容易的方法,但不是正确的方法。重点词汇重点句式随堂练习【词汇拓展】solve v.解决常见的后接介词to表示所属关系的名词还有key,answer,monument,note,exit,entrance,bridge,road,attitude,approach

24、,visit,invitation,reply等。key to the door开门的钥匙answer to the question问题的答案exit to the building楼房出口entrance to the building楼房入口visit to my home到我家的拜访reply to the question问题的回复invitation to his birthday他的生日请帖重点词汇重点句式随堂练习重点词汇重点句式随堂练习5.The solution to the mystery of the monarchs amazing ability comes at a

25、 time when it is in serious trouble.(教材P51)揭开黑脉金斑蝶惊人能力的谜底出现在它处于严重的困境中的时候。【词汇精讲】amazing为形容词,意为“令人惊奇的;令人惊喜(惊羡、惊叹)的”,含有主动意义,可和事物或人连用,常见结构为:Its amazing that.“令人惊讶的是”。You work with amazing speed.你工作起来速度奇快。It is amazing that she could have this idea!她还真能想得到!重点词汇重点句式随堂练习【词汇拓展】amaze vt.使惊奇;使惊诧It amazes sb.t

26、hat.=What amazes sb.is that.使某人吃惊的是amazed adj.吃惊的;惊奇的(含有被动意义,一般和人连用,也可和人的表情、眼神等词连用)be amazed at/by sb./sth.对感到惊讶be amazed to see/hear.看到/听到感到惊讶amazement n.惊奇;惊讶to ones amazement令某人惊奇的是in amazement惊讶地重点词汇重点句式随堂练习Her knowledge amazes me.她的学识令我吃惊.I was amazed at her ability to deal with the difficult s

27、ituation.她对付困境的能力使我惊讶。He looked at me in amazement,and it seemed that he hadnt recognised me.他惊讶地看着我,好像没认出我来。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习6.In many of the places where the butterfly can be found,people are destroying the natural environment.(教材P51)在许多蝴蝶栖息的地方,人们正在毁坏那里的自然环境。【词汇精讲】destroy为动词,意为“

28、破坏;毁坏”。That will destroy the reputation of our products.那将毁了我们产品的声誉。重点词汇重点句式随堂练习【词汇拓展】destroy ones hope/confidence毁坏某人的希望/信心be completely/totally destroyed被彻底毁坏destruction n.毁坏destructive adj.有破坏力的destroyer n.破坏者Every act of creation is first an act of destruction.每一个创造的举动首先是一个破坏的举动。It was the most

29、destructive storm in 30 years.那是30年来毁灭性最大的风暴。重点词汇重点句式随堂练习ruin与damage,destroy都可以用作动词,表示“毁坏”的意思,但它们所表示的破坏程度及含义不同。(1)ruin指经过长时间的侵蚀而毁坏,通常暗指无可挽回的伤害,但并不一定指完全毁灭。它也可用来表示抽象概念。(2)damage是程度较小的破坏、损坏,一般指被破坏的物品可以修复。(3)destroy指彻底地摧毁、毁坏;它也可用于损坏抽象的东西,如名誉、计划等。重点词汇重点句式随堂练习He knocked over a bottle of ink and ruined the

30、 tablecloth.他打翻了一瓶墨水,把桌布弄得一团糟。The earthquake destroyed almost the entire city.那次地震几乎毁坏了整个城市。Many buildings damaged during the war are being repaired.战争中受损的很多建筑物正在修缮。重点词汇重点句式随堂练习重点词汇重点句式随堂练习7.The more we know about this lovely creature,the greater the chance it will survive and keep its place in the

31、natural world for a long time to come.(教材P51)我们对这种可爱的生物了解得越多,它在未来相当长的一段时间里存活和栖息在自然界的机会就越大。重点词汇重点句式随堂练习【词汇精讲】survive作及物动词时意为“幸存;比活得长”;作不及物动词时意为“继续存在;生存下来;残存”。The man survived his elder sister by three years.那人比他姐姐多活了三年。These little creatures have survived on Earth for more than 140 million years,far

32、longer than dinosaurs.这些小生物在地球上生存了一亿四千万年以上,远比恐龙时间更长。重点词汇重点句式随堂练习【词汇拓展】A survive B A比B活得时间长survive the accident在事故中幸免于难survive from从存活下来,流传下来survive on sth.靠生存;存活survivor n.幸存者;逃生者survival n.幸存;生存survival of the fittest适者生存The boy studied hard and survived on scholarship and tutoring.这个男生努力学习,靠奖学金和家教

33、养活自己。If cancers are spotted early theres a high chance of survival.如果癌症在早期发现的话,存活的概率会很高。重点词汇重点句式随堂练习【微写作】The couple survived the accident,but they were the only two survivors.They felt lucky for their survival.The wife had no job,so they survived mainly on the husbands income.Finally,the husband sur

34、vived his wife by 10 years.这对夫妇在事故中幸存下来,但他们是仅有的两名幸存者。他们为自己的幸存感到幸运。妻子没有工作,所以他们主要靠丈夫的收入生活。最后,丈夫比妻子多活了10年。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习1.One of the most wonderful migrations in nature is that of the North American monarch butterfly.(教材P50)自然界最奇妙的迁徙之一是黑脉金斑蝶的迁徙。重点词汇重点句式随堂练习【句式剖析】句中的that在此处是替代词,相当于

35、the migration。替代词的使用往往是为了避免与上文出现的名词重复。that既可替代可数名词,又可替代不可数名词,还可替代前面整句话的内容,不能用冠词或形容词修饰。The house built of brick lasts longer than that built of wood.砖块砌的房子比木头砌的房子要耐久些。In winter the weather in Beijing is colder than that in Guangzhou.在冬季,北京的天气比广州的天气要冷多了。Bob was late again.That was why he was criticise

36、d.鲍勃又迟到了,那就是他为什么受到了批评的原因。(代指前面整句话的内容)重点词汇重点句式随堂练习【句式拓展】其他替代词的用法:(1)one只替代可数名词的人或物,一般指同名异物,不能代指前面整句话的意思,可用冠词或形容词来修饰,表示特指时一般加定冠词the。(2)ones代指上文出现的或已知的复数名词,也是类指,可以用冠词或形容词来修饰。(3)it指上文提到的同名同物,还可指代婴儿或性别不详者,能代指前面整句话的内容,不能用冠词或形容词修饰。(4)those是that的复数形式,指“那些”,表示特指,代指提到的或已知的复数名词。重点词汇重点句式随堂练习My cell phone is bro

37、ken,and Im going to buy a new one.我的手机坏了,我打算去买个新的。Students who do well in examinations are the ones who are good at thinking.考试成绩好的是那些善于思考问题的学生。I know its important to learn English,but I cant learn it well.我知道学英语很重要,但我学不好。Her baby is due next month.She hopes it will be a girl.她怀的孩子下个月出生,她希望是个女孩。His

38、 methods were very similar to those used by Freud.他的方法和弗洛伊德用过的非常相似。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.The more we know about this lovely creature,the greater the chance it will survive and keep its place in the natural world for a long time to come.(教材P51)我们对这种可爱的生物了解得越多,它在未来相当长的一段时间里存活和栖息在自然界的机会

39、就越大。重点词汇重点句式随堂练习【句式剖析】句型“the+比较级,the+比较级”,表示“越是,越是”;前一个“the+比较级”为从句,后一个“the+比较级”为主句。主句用一般将来时态时,从句用一般现在时。Usually,the stranger the idea is,the more it gets noticed.(2019浙江6月)常常是,想法越奇怪,就越能引起人们的关注。She is getting more and more patient with the exams and of course,the more careful she is,the better result

40、s she will get.她对考试变得越来越有耐心了。当然,她越细心,考试成绩就越好。The higher you stand,the farther you will see.站得越高,望得越远。重点词汇重点句式随堂练习【句式拓展】(1)比较级前能加冠词the的情况还有一种,即句中出现了of the two时,表示“两者中较的”。This dictionary is the more useful of the two.在两本词典中,这本更有用。(2)“比较级+and+比较级”表示“越来越”。Life was difficult then but things have got bett

41、er and better over the years.那时生活很艰苦,但情况已经一年比一年好了。E-commerce has become more and more popular as people have discovered the advantages of online shopping.电子商务越来越普及,因为人们已经发现了网上购物的好处。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习.课文语法填空 Every autumn,millions of the North American monarch butterflies manage 1.(t

42、ravel)around 4,000 kilometres south and find their way to places 2.they will spend the winter.A team of scientists 3.(lead)by Professor Eli Schlizerman at the University of Washington has found that the monarch is able to tell the time of the day and 4.(use)its eyes to measure the position of the su

43、n.to travelwhereleduses重点词汇重点句式随堂练习 The solution to the mystery of the monarchs 5._ (amaze)ability comes at a time when its population 6._(crash)by as much as 90 per cent in the last few years.7._(sad),human activity is the main reason why the number of monarch butterflies is falling.8.research on t

44、he monarchs behaviour has however led 9.a greater awareness of this creature.The more we know about these lovely creatures,the 10.(great)the chance they will survive.amazinghas crashedSadlyThetogreater重点词汇重点句式随堂练习.概要写作根据P5051课文内容写一篇60词左右的内容概要。参考范文Many animals migrate at certain times of the year.The

45、 migration of the North American monarch butterflies is one of the most wonderful.They manage to travel around 4,000 kilometres south to California or Mexico.They are able to tell the time of the day and the position of the sun.Now the monarch is in serious trouble mainly because of human activities.Fortunately,people are aware of the problem and begin to take action.