2021學(xué)年高中英語(yǔ)Unit5IntothewildPeriod2Understandingideas學(xué)案一外研版必修一

Unit5Intothewild

Period2Understandingideas

/學(xué)案設(shè)計(jì)（一）一?

■學(xué)習(xí)目標(biāo)

1.Togetthemainideaofthetextbyskimmingthekeywords,andaccurately

judgethesourceofthearticleaccordingtothecontentofthetext.

2.Tofindoutthemaindetailsquicklyinthetextthroughintensive

reading,andclearthecausallogicofthetext.

3.Tolearnthebackground,purposeandwayofthemonarchs

migration,understandtheinfluenceofhumanbehaviorontheirsurvival,anddeepen

thecognitionofthetextandthethemeoftheunit.

■■■■自主預(yù)習(xí)

MatchthewordswiththeirEnglishexplanations.

1.annuala.theplacewheresb/sthis

2.migrateb.tomovefromonepartoftheworldtoanotheraccordingtothe

season

3.seekc.tofindthesize,quantity,etc.ofsth

4.determined.totrytofindorobtainsth

5.managee.happeningordoneonceeveryyear

6.measuref.tofixsthordecide

7.positiong.tobesuccessfulindoingsth

8.eventuallyh.attheendofaperiodoftimeoraseriesofevents

9.solutioni.tocontinuetoliveorexistespecial1yaftercomingclose

todying

10.mysteryj.tofallviolently

11.amazingk.todamagesthsobadlythatitcannotbeused

12.crash1.theanswertoaproblem

13.destroym.extremelysurprising

14.creaturen.sthstrangeornotknownthathasnotyetbeenexplainedor

understood

15.surviveo.anylargeorsmal1livingthingthatcanmoveindependently

.果堂探究

一、Beforereading

Task:Watchavideoandsharefeelings.

二、Whilereading

Task1Readthepassagequicklyandanswerthequestion.

Whereareyoumostlikelytofindthepassage?

a.Inascientificresearchpaperaboutthemonarchbutterflysmigration.

b.Inapopularnaturemagazineintroducingthemonarchbutterfly.

c.InatravelleafletencouragingpeopletovisitNorthAmerica.

Task2Matchthemainideaofeachparagraphandthenanalysethestructure

ofthispassage.

Paragraph1a.Themonarchsmigration.

Paragraph2b.Thedefinitionofmigration.

Paragraph3c.Theeffectsoftheresearch.

Paragraph4d.Howdoesthemonarchfinishitsmigration?

Paragraph5e.Whysthenumberofthemonarchfalling?

Task3Readthepassageparagraphbyparagraphtoanswerthefollowing

questions.

①Whydomanyanimalsmigrate?

②Whatmysteryhavethescientistsfoundout?

③Howdoesthemonarchdeterminethewaytogo?

?Whathashappenedtothemonarchinthepastfewyearsandhowdidithappen?

⑤Whatsthesignificanceoftheresearchonthemonarch?

Task4ReadthepassageagainandfinishActivity4onPage52.

Task5Languagefocus

1.Themoreweknowaboutthislovelycreature,thegreaterthechanceitwill

survive...

我們對(duì)這種可愛(ài)的生物了解的越多，它生存的機(jī)會(huì)就越大。

【知識(shí)鏈接】

本句使用了“the+比較級(jí),the+比較級(jí)”句型，表示“越……就越……”。

【實(shí)戰(zhàn)演練】翻譯句子

①你越細(xì)心,犯的錯(cuò)誤就越少。

②你越努力,取得的進(jìn)步就越大。

2.Thesetwopiecesofinformation-thetimeofdayandthepointwherethesun

isinthesky一allowthebutterflytodeterminethewaytogo.

一天中的時(shí)間以及太陽(yáng)在空中所處的位置，這兩條信息可以幫助黑脈金斑蝶決定它需要走

哪條路。

【知識(shí)鏈接】

(1)句子中的wherethesunisinthesky為關(guān)系副詞where引導(dǎo)的定語(yǔ)從句，修飾先行

詞point,where在從句中用作地點(diǎn)狀語(yǔ)。

(2)determine匕決定

變成名詞：determination意思是決心；

變成形容詞：determined意思是堅(jiān)決的

【實(shí)戰(zhàn)演練】單句語(yǔ)法填空

?ThisistheschoolIspentmyhighschoollife.

②ThisistheschooliscalledPanyangMiddleSchool.

③ThisistheschoolIwillintroduce.

④他決定學(xué)日語(yǔ)。_

⑤我決心要獲得成功。_

⑥aleaderwithcourageanddetermination

三、Afterreading

Task1Designamindmapforthepassage.

Task2Chailengeyourself!

Writeasummarywiththemindmap.

Requirements:

1.Useyourownwording.

2.Expressthemainideas.

3.Keepthesummaryshort（about1/3or1/4aslongastheoriginalone）.

Task3Groupdiscussion

Whatelsecanpeopledotohelpprotectthemonarchbutterfly?

■■?■■■核心素養(yǎng)專(zhuān)練

k>Canyoudescribehowmonarchbutterfliesmigrateeveryautumn?

二、Canyoudescribetheresearchonthemonarchbutterfly?

三、Haveyougotarightattitudetothebehaviorofwildanimalsnow?

四、ReadthearticleBirdmigrationandfillintheblanks.

Birdmigration

Themainreasonformigrationormovementisfood;forexample,somebirdsmay

choosenottomigrateiftheyarefedthroughthecoldmonths.Changesintheday

lengtharesignalsformigrationandrelatetothephysicalchangesinthe

birds.Birdswillalsodisplayrestlessnessandincreasetheirfatdeposition（沉

積）.Duringshorterdaysinthefall,birdswillreturntowarmerareaswherethey

findadequatefoodsupply.

Manysmallerinsect-eatingbirdsmigratelargedistancesusuallyatnight.They

mayfeedforafewdaysbeforecontinuingtheircourseoftravel.Anadvantagefor

nightmigratingisthatitminimizesthethreatofpredators（食肉動(dòng)物），allowing

thebirdstofeedduringthedayandavoidoverheating.

Themigrationforthesebirdsisbasedonanumberofdifferentsenses.Many

birdsusethesunasacompass.Theabilitytodetectmagneticfield（磁場(chǎng)），useof

visuallandmarks,aswellastheirsenseofsmellareusedtohelptravelduring

migration.Birdmigrationisastronggeneticfactorintermsoftimingand

route,whichcanbeinfluencedbytemperature.Migratorybirdsmayusetwotoolsto

findtheirdestinations;innatecapability（geneticallyprogrammed）andexperience.A

first-timermigrant（候鳥(niǎo)）fliesaccordingtotheEarthsmagneticfie]d,butdoes

notknowhowfaritwilltakeuntilitgrowsaccustomedtothejourneyandisable

touseitsothercapabilities.Withexperienceitlearnsvariouslandmarksoften

called“mapping”.

MigrationismainlyseenintheNorthernHemisphereandlessobviousinthe

SouthernHemisphere.Thisisduetothelackofsignificantweatherchangesandthe

continualsupplyoffoodforthebirds.Acommonpatterninmigrationinvolves

flyingnorthinthespringtobread（繁殖）duringthesummerandtravelingtothe

southinthefal1intowarmerregions.Notwospeciesfollowtheexactroutefrom

beginningtoend.Migrationsnarrowintooneormorepreferredroutesoroften

called“flyways”.Flywaysmainlyfollowcoasts,sometimesrivers,ormountain

ranges.TherearefourmajorNorthAmericanflyways;theAtlantic,the

Mississippi,theCentralandthePacificFlyways.Theflywaysarenotdefinedin

theirboundariesandattimesmaybecombinedintoone.

Infact,longdistancemigrantsmoveawayfromeachotherasyoungbirdsand

formattachmentstopotentialbreedingandwinteringsites.Oncethesite

attachmentismade,birdsshowhighsite-faith,visitingthesamesitesyearafter

year.Youwi11wanttoensureyournestingboxesarecleanedoutandavailablewhen

thesebirdsreturntokeepthecyclegoingforthesemigratingspecies.

Birdmigration

PassageoutlineSupportingdetails

OBesides1._________,migrationhassomethingtodowith

Whydobirdsmigrate?

birdsphysicalchangesanddaylengthchanges.

?Nightmigratinghelpsminimizethe2._________ofbeing

Whatarethe

threatenedbypredators.

advantagesofnight

migrating?ONightmigratingallowsbirdstofeedenoughduringthe

daywithoutoverheating.

?Thesun,magneticfield,visuallandmarksandthesenseof

smellareall4._________forbirdstomigrate.

OEnvironmentalchangesareconnectedwithbirdstiming

3._________dobirds

androute.

migrate??Notonlymagneticfieldbutalsosomeothercapabilities

and5._________relatetoafirst-timermigrants

flying.

OMigrationmainlytakesplaceinthe6.

WheredobirdsHemisphere.

migrate?OWithfourmajorflywaysbirdsmainlyfly7.

coasts,rivers,ormountainranges.

OBirdsare9._________totheirsiteattachmentvery

What8._________can

much.

youdrawfromthe

OYoumustmakesurethecleanboxesare10.

birdmigration?

beforethebirdscomeback.

參考答案

自主預(yù)習(xí)

1.e2.b3.d4.f5.g6.c7.a8.h9.110.n11.m12.j13.k14.o

15.i

課堂探究

二、Task1:a

Task2:Paragraph1:b;Paragraph2:a;Paragraph3:d;Paragraph4:e;Paragraph5:c

Task3:?Theymigratetofindfood,seekapartner,orinsearchofwarmer

weather.

②Thescientistshavefoundouthowthemonarchbutterflymanagestoreachthe

placeswhereitwillspendthewinter.

③Themonarchisabletotellthetimeofdayandthepointwherethesunis

inthesky.

?Becauseofhumanactivitiesthenumberofthemonarchhascrashedbyasmuch

as90percentinthelastfewyears.

⑤Theresearchonthemonarchsbehaviorhasledtoagreaterawarenessofit

andpeoplehavebeenworkingtogethertorecorditsmigrationandmakesurethere

areenoughplantsforittofeedon.

Task4:1.thetimeofday2.thewaytogo3.thepositionofthesun4.the

placewhereitwillspendthewinter

Ai

5.cutdown6.place7.killtheplants8.hascrashedbyasmuchas90per

cent

h

Task5:1.①Themorecarefulyouare,thefewermistakesyouwi11make.

②Theharderyouwork,thegreaterprogressyouwillmake.

2.①where②which③which

@HedeterminedtolearnJapanese.

⑤Iamdeterminedtobesuccessful.

⑥一位果敢的領(lǐng)導(dǎo)

三、Task1.

TheMonarchs

Journey

Thedefinitionofmigration

Backgroundintroduction

Themonarch'smigration-long&difficult