科技英语视听说复习提纲完整版.docx

科技英语视听说复习提纲完整版.docx

《科技英语视听说复习提纲完整版.docx》由会员分享，可在线阅读，更多相关《科技英语视听说复习提纲完整版.docx（11页珍藏版）》请在冰豆网上搜索。

科技英语视听说复习提纲完整版

科技英语视听说复习提纲

Lesson1

ThePrivateLifeofPlants1

1、Whatproblemsdoplantshavetofacethroughouttheirlivessoastosurvive?

（1）Fightseasons

（2）competeformates（3）invadenewterritories

2.Arefungiplants?

Whatdofungiproduce?

Fungiproducesporeswhicharesimilartoseeds.

3.Howdotheseedsofdandelionsfly?

Aspecialapparatusisneededbytheseedsofdandelionstofly.Eachseedofthe

dandelionisfittedwithitsownindividualparachute.

Lesson2

ThePrivateLifeofPlants2

1.Whatisthebegonia'ssecretofsurvivingonthedimforestfloor?

Thesecretofbegoniasurvivingonthedimforestfloorliesinitsleaveswhich

undersidesisred.

2.Howdoleavesreducetheproblemofwaterlyingontheirsurface?

Therearefourways.

Thefirstoneisthattheleavesaretoughenoughtowithstandthepoundingofwater.

Thesecondoneisthattheleaveshavegutterstocarryawaythewater.

Thethirdoneisleaveshavepointedtipsattheendsoastodrainwaterrapidly.

Thelastoneisthatleaveshavethedensehairstokeeptheirporesfree.

3.Whatisthedramaticsolutionasensitivemimosapossessestodefenditself?

Onetouchcanmaketheleavesfold,anothertapcanmakeitfloptotheground.

Lesson3

GlobalWarming

1.Whatarethethreefactorscausingthecollisionbetweenourcivilizationandthe

earth?

（1）population

（2）ourwayofthinking

（3）thescientificandtechnologicalrevolution.

2.Howtobalancetheeconomyandtheenvironment?

（Open-EndedQuestion）

3.Whatshouldwedotosolvetheclimatecrisistosecureourfutureortosaveour

planetEarth?

（Open-EndedQuestion）

Discussion1

BigFreeze

1.WhatmightbethemajorcauseoftheBigFreeze?

Themajorcausesofthebigfreezearevolcaniceruptions,globalwarmingandchanges

intheoceancurrents.

2.Pleasenamethefivewaysmentionedinthestateoftheplanetthatwecareaffecting

life'sdiversityonEarth.

（1）over-harvesting

（2）theintroductionofalienspecies

（3）thedestructionofhabitats（4）islandisation（5）pollution.

Lesson4

JourneyofLife1

1.Whatisnationalselection?

Anytraitthatincreasesthepossibilityofyoungstersurvivingwillbepassedoninits

genes.

2.Thereisanenormousvarietyoflifeontheplanet,howdidlifebegin?

Thesingle-celllivingthingsbeganat3billionyearsago.Thecellspullingtogetherlike

jellyfishbeganat670millionyearsago.Theanimals'softbodiesturnedhardlikesnails

beganataround570millionyearsago.

3.Wheredidalllifebegin,andwhy?

Allthelifebeginsinthesea.Becauseinthesea,thetemperaturehardlychangesand

thewatercanprotectagainstthepullofgravityandtheburningsun.

Lesson5

JourneyofLife2

1.Whatarethegoodreasonsforlifetogetintotheair?

Therearethreereasons.

Thefirstisthatwingsprovideanimalswithextrastrikepower.

Thesecondisthatflyingisfastestandmostefficientwaytotravel.

Thelastoneisthatitallowsanimalstofindfood,exploreterritoryorescapefrom

danger.

2.Whydowesaycaterpillarsaremunchingmachines?

Becausetheironlypurposeistoeatandgrow,theycanballoontoincredible2000

timestheirstartingweight.

3.Whydowesaythatthepredatorsandpreyarelockedinanintenserelationship?

Whenpredatorsfindbetterwaystocatchandkill,andpreyshavetoimprovetheirself-defense.Thatistosay,neitherpredatorsnorpreyscanaffordtobeleftbehind.

Lesson6

Phobias

1.Whatisphobia?

Fearplaysavitalpartinoursurvival,whenfeargetsoutofcontrol,wecallitphobias.

2.Whatisthepercentageofpeoplewithphobias?

Tenpercentpeoplewithphobias.

3.Doweinheritspecificphobiasfromourparents?

No,wedon't.

Discussion2

JourneytotheCenterofthePlanet

1.Howdoesaseaturtleknowitslocationandnavigateitswayaroundtheearth?

It'sbasedontheearth'smagneticfield.

2.Whatwasfoundatthebottomoftheoceanin1985bysomescientists?

Shrimpswhichcanliveinboilinghotwaterandlivewithoutsun'senergywerefound

in1985.

Lesson7

SecretofSexes

1.Whatarethedifferencesbetweenmenandwomen?

Menaremorethings-orientedwhilewomenaremorepeople-oriented.

2.Whatarethetworeasonsforthemarriagetoendindivorce?

Thefirstreasonisyouareunfaithfultoyourspouse,thesecondreasonisconstant

argue.

3.Whypeoplesay“lovemakespeopleblind”?

Therewardsystemfloodswithfeelinggoodchemicals,whileanotherpartofthebrain,

whichisusedforcriticalthinking,switchesoff.

Lesson8

GreatWildlifeMoments

1.Whydoredcrabsheadfortheshoretospawn?

Becausetheredcrabsareunabletoraisetheiryoungonland,sotheyhavetotrek

severalkilometerstothesea,theirancestralhome.

2.HowdoestheAuroraaustralisoccur?

TheAuroraaustralisoccurswhensubatomicparticlestravelingthroughspaceenterthe

Earth'smagneticfield.

3.Howcananeagleeatatortoise?

Aneaglefliestofindafavoritesite,gainitsheight,letsthetortoisego.

Lesson9

TheSunandtheMoon

1.WhyalllifeonEarthowesitsexistencetothesun?

Thesunpowerseverynaturalsystemandsustainseveryplantandanimal.Withoutthe

Sun,theEarthwouldbeabarren,lifelessballofrock.

2.Whatisthesunmadeof?

Over90%ofthesunismadeofhydrogen.

3.Whatistheimpactofthefullmoononseacreaturesandonhumanbeings?

Intheoceanthefullmoon'sbrightlightisamatingcallforseacreatures.Mostwomen

gettheirmenstrualperiodatthedayoffullmoon.

Discussion3

TheHumanMind

1.Howcanyoutellaperson'ssmileafakeone?

Youjustwatchthelinesaroundhis/hereyes.

（1）movementofone'smouth

（2）musclesaroundone'seyes

AlienContact

1.IfonedayalienspeciescometoEarth,what'sthenarrator'shope?

Thenarrator'shopeisthatthey'llcomeinpeace.