Unit 5 Understanding ideas （ppt课件）-新外研版（2019）《高中英语》必修第一册.pptx

1、monarchmonarch butterflyAtlanticwhaleannualmigrationmigrateseekprofessormeasuren.君主，国王君主，国王黑脉金斑蝶黑脉金斑蝶adj.大西洋的大西洋的n.鲸鲸adj.一年一度的，每年的一年一度的，每年的n.迁徙迁徙v.移栖，迁徙移栖，迁徙v.寻找，寻求寻找，寻求n.教授教授v.量，测量量，测量Read after the tape and speak out the Chinese immediately.positiondetermineeventuallysolutionmysteryamazingcrashper

2、 centdestroychemical n.位置位置v.测定，确定测定，确定adv.终于，最终终于，最终n.解决，解决方法解决，解决方法n.难以理解的事物，谜难以理解的事物，谜adj.惊人的，了不起的惊人的，了不起的v.暴跌暴跌n.百分比百分比v.破坏，毁掉破坏，毁掉n.化学品化学品caterpillarcreaturesurviveeffectflow chartn.毛虫（蝴蝶等昆虫的幼虫）毛虫（蝴蝶等昆虫的幼虫）n.生物，动物生物，动物v.活下来，幸存活下来，幸存n.影响，结果影响，结果流程图，作业图流程图，作业图What phenomenon is mentioned in the v

3、ideo?Animal migration.Animal migration refers to the movement of a species from one habitat to another in response to seasonal changes to the environment.Often covering great distances and involving huge numbers of animals.Migration happens in all parts of the animal kingdom,from fish and insects to

4、 birds,reptitles/reptalz/爬行动物爬行动物and mammals.bacdefLook at the pictures and choose the animals that migrate.monarch butterflySiberian craneAtlantic salmonred pandakiller whaleAfrican lion黑脉金斑蝶黑脉金斑蝶西伯利亚鹤西伯利亚鹤大西洋鲑鱼大西洋鲑鱼红熊猫红熊猫虎鲸虎鲸非洲狮非洲狮The animals that migrate include monarch butterfly,Siberian crane,A

5、tlantic salmon,and some types of killer whales.abceDo you know any other animals that migrate?wild gooseAfrican lionKiller whaleMonarch butterflyIt is the butterfly that migrates on earth.TitleThe topic sentencePictureA.The monarchs migration.B.The reasons for monarchs migration.C.Mexicos monarch.Th

6、e main idea of a passage can be found from its title,the topic sentences,or even the pictures.TipsGo through the passage quickly and get its main idea.Match the main idea of each part.Para 1:Para 2:Para 3:Para 4:Para 5:of the monarch of the monarch of the monarch of the migration of migrationPara.1W

7、hat is migration?Migration is an _ movement in which manyanimals move from _.Which one is NOT the reason why animals migrate?A.to find something to eat B.to look for a companyC.to search for warmer place D.to go travellingfoodpartnerweatherannualone place to another of migrationRead for the contentT

8、ip:Tip:阅读中常见选阅读中常见选项的项的同义改写同义改写Para.2When and where do they migrate?Routine（惯例惯例）Time:_Place:Travel around 4000 km(_)to California or MexicoEvery autumn/fallsouthMigration of the monarch Para.3 Complete the cause-effect(因果因果)flow charts P69 Ex4 the time of day the way to go the position of sun the p

9、laces where it will spend the winter.acbcauseeffectof the migrationPara.4cut downnatural environment of many placeskill the plantshas crashedegfcauseeffectWhat measures can be taken to solve these 2 problems?Trouble of the monarch&the reasonsPara.5 What measures do people take to help protect the mo

10、narch butterfly?A.Raise a greater awareness of this creatureB.Work together to record its migrationC.Make sure that there are enough plants to feed on D.All of the aboveWhere is the passage taken from?(课本课本p68 ex3)A.In a scientific research paper about the monarch butterflys migration.B.In a popular

11、 nature magazine introducing the monarch butterfly.C.In a travel leaflet(小册子小册子)encouraging people to visit North America.1.What s the writing style of the passage?A.Narration（记叙文记叙文）B.Argumentation（议论文议论文）C.Exposition（说明文说明文）D.Practical writing（应用文应用文）Read for the writing styleIllustrationsSentence

12、s in the textCause-effect(因果因果)This annual movement is called migration.One of the most wonderful migration is that of the North American monarch butterfly.travel around 4,000 kilometershas crashed by as much as 90 per centinsects with fine black and orange wingsPeople are destroying the natural env

13、ironment.People have been working together toDefinition(下定义下定义)Example(举例子举例子)Appearance(摹状貌摹状貌)Figure(列数据列数据)Comparison(作比较作比较)destroyingworking togetherThe monarchs migrationScientists finding about the monarchHumans protection about the monarchThis passage is about the related to _Monarch butterf

14、ly Summary The 1._(migrate)of the North American monarch butterfly can be considered as the most 2._(wonder)one in nature.In other words,its 3._ wonder!Every autumn,these beautiful insects 4.have black and orange wings manage to travel to California or Mexico.At first,no one knows how they migrate.5

15、._,a team found the answer eventually.The reasons why the monarch can reach the destination 6._(correct)are that not only are they able to tell the time of the day,but also they have the ability 7._(determine)the position of the sun.The current situation is that the number of the monarch is falling,

16、which leads 8._ the awareness of this creature.Human 9.(behave)have an effect on them,but people are taking 10._(measure)to save them.migrationwonderfulathat/whichHowevercorrectlyto determinetobehaviorsmeasuresWhat impresses you most about the monarch butterfly?P52 What can people do to help protect the monarch butterfly?Step 6:More information2021年10月，联合国生物多样性公约缔约方大会第十五次会议（COP15）在中国云南举行，会议将聚集以下目标：