懂你英语Level 3 unit 2.docx
- 文档编号:8213805
- 上传时间:2023-01-29
- 格式:DOCX
- 页数:15
- 大小:22.25KB
懂你英语Level 3 unit 2.docx
《懂你英语Level 3 unit 2.docx》由会员分享,可在线阅读,更多相关《懂你英语Level 3 unit 2.docx(15页珍藏版)》请在冰豆网上搜索。
懂你英语Level3unit2
Level3unit1part1
Listening
Matterismadeofatomsandmolecules.
Water,forexample,istheH2Omolecule.
Thismeansthatamoleculeofwaterhas3atoms.
Awatermoleculehas2hydrogenatomsandoneoxygenatom.
Substanceslikesugarhavemanyatomsintheirmolecules.
Amoleculeofsugarhasmanyatoms,includingcarbine,hydrogenandoxygen.
-WhatisH2O?
Thewatermolecule.
-Whatismattermadeof?
-
Atomsandmolecules
MatterismadeofmoleculessuchastheH2Owhichisthewatermolecule.
Mattercanbeinoneof3states,solid,liquidorgas.
Waterandicearethesamesubstance,buttheyareindifferentstates.
Thesestatesdependonthetemperatureofthemolecules.
Whenweheatasubstance,themoleculesmovefasterandtrytotakeupmorespace.
Whenwecoolasubstance,themoleculesmovemoreslowly.
Whenwecoolasubstancetoitsfreezingpoint,itbecomesasolid.
-Howmanystatesofmatterarethere?
-
Three.-
-Whathappenswhenweheatasubstance?
themoleculesmovefasterandtrytotakeupmorespace.
-Whathappensifwecoolaliquidtoitsfreezingpoint?
Itbecomesasolid.
Inasolid,themoleculesmoveverylittle.
Theirpositionsarealmostfixed.
Tobefixedmeansthattheirpositionsdontchange.
Ifweheatthemolecules,theymovefasterandawayfromeachother.
Thesolidbeginstomelt,likeicecreamonahotday.
-Howcanwechangeasolidintoaliquid?
heatitup.
-Howcanwechangealiquidintoasolid?
coolitdown.-
Atacertaintemperature,asolidbeginstochangeintoaliquid.
Thetemperatureatwhichasolidchangesintoaliquiddependsonthesubstances.
Forwater,thesolidbeginstochangeintoaliquidwhenitstemperaturerisestoabove0degreesCelsius.
Forsomesubstances,suchassteel,thetemperatureatwhichitbecomesaliquidismuchhigher.
Steeloftenmeltsataround1370degreesCelsius.
-Atwhattemperaturedoesicebegintomelt?
Above0degreeCelsius.
-Whatdoesthetemperatureatwhichasubstancebeginstomeltdependon?
Thesubstances.
Ifwecontinuetoheataliquid,themoleculesmoveevenfaster.
Atacertaintemperature,theliquidbeginstochangeintoagas.
Forwater,theliquidbeginstochangeintoagasat100degreesCelsius.
Thatistheboilingpointofwater.
-Whathappensifwecontinuetoheataliquid?
Moleculesmoveevenfaster.
Insideastar,suchasoursun,thetemperatureisveryhigh.
Everythinginsidethesunisagas.
Accordingtoscientists,thereareover65elementsinsidethesun.
Theseincludeoxygenandiron.
Over90%ofthesunishydrogengas.
-Howmanyelementsareinsidethesun?
Morethan65
Yesterday,therewasanimportantsciencetest.
Lisa,Tomand20otherclassmatestookthetest.
Thetestisaboutthestatesofmatterandhowtheyaredifferent.
Therewere25questionsonthetextandtherehad45minutestotakeit.
Herearesomeofthetestresult.
2studentsgotperfectscores.
Thelowestscorewas68outof100.
Theaveragescorewas86.3.
11studentsscorehigherthanaverage.
11studentshavebelowtheaveragescores.
Tommissed2questiononthetestsohisscorewas92.
Hisscorewas8highestintheclass.
Lisamissed2andahalfquestionsoherscoreis90.
Herscoreis10highestscore.
Herscoreis4pointshigherthantheaveragescore.
Lisawasdisappointedwithhertestresults.
Shestudiedhardforthetestbutshestilldidntdowell.
Asaresult,sheplanstostudyharderfornexttest.
Thenexttestwillbeinabout2weeks.
Tomwassurprisedandhappywithhisresults.
Hedidntstudyhardsohisresultwasbetterthanheexpected.
HewasalsohappythathedidbetterthanLisadid.
Vocabulary
Sheisscreamingbecausesheisreallyscared.
Somethingischasinghersosheisscreamingforhelp.
Heisshoutingbecauseheisangry.
Whenhesreallyangryheoftenshoutslikethis.
Sheissleepingbecauseshestired.
Lastnightshedidntgetenoughsleep,sotodayshehasnoenergy.
Shescryingbecauseshessad.
Shegotsomebadnewsafewminutesago.
Shessmilingbecausesheshappy.
Herboyfriendjustcalledandhesreturningfromalongtrip.
Whoissmilingbecauseshegotsomegoodnews?
Thismanishikingupamountaintrail.
Heiswearinghikingbootsandiscarryingapackonhisback.
Thismanenjoyscooking.
Heattendsacookingclassonceaweek.
Thiswomanenjoysgardening.
Shegrowsflowers,suchasroses,andvegetables,suchastomatoes,inhergarden.
Thisboylovesplayinggames.
Helikesallkindsofgames,includingthisvideogamesonhiscomputer.
Thisoldcoupleenjoystravelling.
Theytakeseveraltripsayear,oftentodifferentcountries
Dialogue
W:
Oh,thereyouare,finally.
M:
Yeah,Imsorry.
W:
Whyareyousolate?
Youweresupposedtobehere30minutesago.
M:
Igotonthewrongsubwaybymistake.
-Whenwashesupposedtobethere?
-
-30minutesago.
-Whywashelate?
Hetookthewrongsubway.
W:
Whydidntyoucall?
Iwasreallyworried.
M:
Idonthavemyphone.IleftitintheofficebecauseIwasinsuchahurrytogethere.
W:
OK,well,youreherenow.Wedonthavemuchtime.
M:
Yes,wellhavetohurry.Themeetingstartsin15minutes,right?
W:
Yes,itssupposedto,ifeveryonegetshereontime.
-Whenisthemeetingsupposedtostart?
-
in15minutes.
-Tohurrymeans..
Togofast.
W:
Didyoureadmypresentation?
M:
Yes,Ido.Itsgood,butitsabittoolong.Imafraidtherewontbeenoughtimeforquestions.
W:
Doyouhaveanysuggestions?
M:
Yes,Ido.Ithinkthecompanyintroductioncanbecutinhalf.Theyknowwhatwedo.
W:
OK,Iwontshowthevideo.Itsabout2minuteslong.
M:
Thatsagoodidea.Thevideoisonourwebsiteandisnotthatgoodanyway.
-Whatisshegoingtocutfromherpresentation?
thevideo.-
-Whyisthepresentationabittoolong?
-
Thereisntenoughtimeforquestions.
W:
Doyouhaveanysuggestions?
M:
No,Idont.Imsureyouredoingagreatjob.Areyouready?
W:
Yes,Imready.Themeetingroomisonthe21stfloor.
M:
OK,letsgo.
-Whereisthemeetinggoingtobe?
-
inameetingroom.-
Shesreadytogiveherpresentationatthemeeting.
Lisa:
Howdidyoudoonyesterdayssciencetest?
Tom:
Ididbetterthanexpected.Howaboutyou?
Lisa:
Ididntdoverywell.IexpectedtodobetterthanIdid.
Tom:
Whatwasyourscore?
Lisa:
Igota90.Whataboutyou?
Tom:
Igota92.Ionlymissedtwoquestions.
-Howwelldidhedoonthetest?
Hedidbetterthanexpected.
Shedidntdoaswellassheexpected.
Lisa:
SoyoudidbetterthanIdid.AndIreallystudyforittoo.
Tom:
Thatisasurprise.YouusuallydobetterthanIdo.
Lisa:
Yes,Iwasntcareful.Imadeonereallystupidmistake.
Tom:
Whatwasit?
Lisa:
Isaid90%ofthesunisHeliuminsteadofHydrogen.
Tom:
Wow.Thatwasastupidmistake.
-Whywashesurprisedbytheresult?
Hedidbetterthanshedid.
Tom:
Whatwastheaveragescorefortheclass,doyouknow?
Lisa:
Theaveragescorewas86.3andthelowestwas68.
Tom:
Doyouknowwhogotthelowesttestscore?
Lisa:
No,Idont.Idontknowwhogotthelowestscore.
Tom:
Itsprobablyasecret.Didanyonegetaperfectscore?
Lisa:
IthinkAdaandSandibothgotperfectscore.
Tom:
Yes,theyalwaysdowell.IwishIwereassmartastheyare.
-Whatwastheaveragetestscore?
-
-86.3
Level3unit1part2
Listening
InsixweeksPaulisgoingonatrip.
HeisgoingtoJapanandChina.
Thereareacoupleofreasonsforthetrip.
Onereasonisforbusiness.
Heisthinkingaboutstartingrestaurantsinbothcountries.
Theotherreasonisforpleasure.
Heenjoystravellingandhedliketovisitsomefriends.
-Whatsgoingtohappeninsixweeks?
-
Heisgoingonatrip.
-Whatishethinkingaboutstartinginbothcountries?
Heisthinkingaboutstartingrestaurants.
Yesterdayhewentonlineandmadeairlinereservations.
Therewereplentyofseatsontheplane,soitwaseasy.
Healsogotagooddiscount.
Unfortunately,heneedsanewpassport.
Hisoldpassportisexpiringnextweek.
Thisissomethinghedidntexpect.
Gettinganewpassportwilltakeatleastaweek.
Heneedstoapplyforonerightaway.
-Whydidheneedtogetanewpassport?
-
Hisoldoneisexpiringsoon.
-Whatdidheneedtodorightaway?
-
applyforanewpassport.
-Howlongwillittaketogetanewpassport?
Atleastaweek.
PaulalsoneedsavisatoenterChina.
ThelasttimehewenttoChinawas3yearsago.3
Gettingavisamayalsotakeaweekoreventwo.
Sohedoesnthavemuchtime.
Heneedstohurry.
Hecantgetthevisauntilhegetshisnewpassport.
HellhavetogototheChineseconsulateinToronto.
Hopefullytherewontbeanydelays.
-Whatmaytakeaweekortwo?
-
gettingavisa.
-WhenwasthelasttimehewenttoChina?
-
-3yearsago.
Paulhasseveralfriendsineachcountry.
OneofhisbestfriendslivesnearMountainFuji.
Hisfriendlivesnearabeautifullakeabout3hoursfromTokyo.
Hisfriendisagreatcookandownsalittlerestaurant.
Therestaurantislocatedonahillabovethelake.
Ithasawonderfulviewandthefoodiswonderful.
Paulislookingforwardtoeatingthere.
Thenhewillspendthenightathisfriendshouse.
-WhereisPaulgoingtostay?
-
Hellstayathisfriendshouse.
-Whatdoeshisfrienddo?
-
Heownsarestaurant.
Onewaytogettohisfriendshouseistogobytrain.
Ifhetakesatrainhisfriendwillmeethimatthetrainstation.
Theresatrainstationabouthalfanhourfromhisfriendshouse.
Ontheotherhandhemaydecidetogobycar.
Hecanrentacarforafewdaysandseemoreofthecountry.
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 懂你英语Level unit 英语 Level
![提示](https://static.bdocx.com/images/bang_tan.gif)