2021学年高中英语Unit3The world of science SectionⅠ课时作业外研版必修三

Unit3Theworldofscience

课时作业（七）Unit3SectionIStartingout&Understandingideas

【.阅读理解

A

InDecember2010,LaurenRobinsonwalkedintoscienceclass."Mythroatstarted

closing,“sheremembers."Theycalledanambulance（救护车），andIhadtogoto

thehospital."Itwasn，tthefirsttimethatLaurenhadtoberushedtothehospital.

That*sbecauseLauren,15,hasafoodallergy（过敏症）.

Manypeoplehavefoodallergies.ButLauren'sallergyismuchworsethanmost.

Shecan'teatfoodthatcontainsmilk.Whenshewasyounger,Laurencouldstaysafe

bychoosingfoodcarefully.Thatchangedinmiddleschool.Byeighthgrade,Lauren

couldn'tbeinthesameroomwithdairyproducts（乳制品）.That'swhathappenedin

Lauren'sscienceclassroom.Earlierthatday,studentshadheldapizzaparty.Cheese

particles（微粒）stillhungintheair.Laurenneverreturnedtoschoolafterthat.

In2011,Laurengotgreatnews.Shecouldgotoschoolandstaysafebydriving

arobottoclass.LaurencontrolsitfromhomeovertheInternet,usingacomputer.

Sheusesthekeyboardtodrivetherobotfromclasstoclass.Avideocameraonthe

robotletsLaurenseewhatisgoingoninschool.Avideoscreenontherobotlets

studentsandteachersseeher.Ithasmicrophones（话筒）sothateveryonecantalk

toLaurentoo.

Atfirst,Laurenthoughtthatusingtherobotwas“aweirdidea”.Noonewent

toschoollikethat."Ikeptknockingintowallsatfirst,“saysLauren,laughing.

"I'dkeepfalling1"Butshegotusedtoitquickly.Usingtherobotfeelsnatural

now.Laurenevencreatedawayto“raiseherhand“usingtherobot*sheadlights.

“Icanturnthemonandoffuntiltheteacherseesme,“sheexplains.

Laurenlooksforwardtogoingtocollege.She，dliketoworkinamedicaljob.

1.WhywasLaurensenttothehospitalinDecember2010?

A.Sheaccidentallydranksomemilk.

B.Shecarelesslytouchedsomepizza.

C.Sheatesomedairyfood.

D.Shebreathedincheeseparticles.

2.WhatdoweknowaboutLauren，sallergy?

A.Lauren'sthroatwastotallydamagedbecauseofit.

B.ItbecomesbetterasLaurengetsolder.

C.ItoftenputsLaureninadangeroussituation.

D.Laurenwasbornwithit.

3.Theunderlinedword“weird”inParagraph4probablymeans"”.

A.strangeB.clever

C.wrongD.big

4.Accordingtothetext,therobot.

A.waseasytocontrolatfirst

B.becomesfriendswithLauren

C.cancommunicatewithothersallbyitself

I）,makesLaurenfeellikeshe'sreallyinschool

B

Ifyougointothewoodswithyourfriends,staywiththem.Ifyoudon，t,you

maygetlost.Ifyoudogetlost,thisiswhatyoushoulddo.

Sitdownandstaywhereyouare.Don'ttrytofindyourfriends-letthem

findyou.Youcanhelpthemtofindyoubystayinginoneplace.

Thereisanotherwaytohelpyourfriendsorotherpeoplenearbytofind

you.Givethemasignalbyshoutingorwhistling（吹口哨）threetimes.Stop.Then

shoutorwhistlethreetimesagain.Anysignalgiventhreetimesisacallforhelp.

Youwillbehelpedbyothers.

Keepuptheshoutingorwhistling,alwaysthreetimestogether.Whenpeople

hearyou,theywillknowthatyouarenotjustmakingnoiseforfun.Theywilllet

youknowtheyhaveheardyoursignal.Theywillgivetwoshouts,twowhistlesortwo

gunshots.Whenasignalisgiventwice,itisananswertoacallforhelp.

Ifyoudon，tthinkthatyouwillgethelpbeforenightcomes,trytomake

alittlehouseandcoveruptheholeswithbrancheswithlotsofleavesandgrass.

Whatshouldyoudoifyougethungryorneedtodrinksomewater?Youshouldhave

toleaveyourlittlebranchhousetolookforabrook.Don，tjustwalkaway.Pick

offsmallbranchesanddropthemasyouwalksothatyoucanfindyourwayback.

Themostimportantthingtodowhenyouarelostis-stayinoneplace.

5.Howdoyouletpeoplebelievethatyouarenotjustmakingnoiseforfun?

A.Stopnowandthen.

B.Goonshoutingorwhistling.

C.Shoutoverandoveratthetopofvoice.

D.Shoutorwhistlethreetimesonceawhile.

6.Ifnobodyanswersyouafteryoursignal,whatshouldyoudothen?

A.Givetwogunshots.B.Shoutlouder.

C.Stopshouting.D.Makeahouse.

7.Ifyoufeelthirstywhenyouarelostintheforest,whatshouldyoudo?

A.Goandfindabrook.

B.Lightafireandmakeyourselfsometea.

C.Gotofindabrookandleavemarksbehindyou.

D.Findsomethingtoholdthewater.

8.What，sthebesttitleforthepassage?

A.WhatDoThreeShotsandTwoShotsMeaninaForest

B.HowtoFindYourFriendsWhenYouAreLostintheWoods

C.WhattoDoifYouGetLostinaForest

D.TheMostImportantThingtoDoIstoStayinOnePlace

II.完形填空

Heroescomeindifferentshapesandsites.Someareborntogiveothersa1.

Thentherearethepeoplewhojusthappentobeintherightplaceattherighttime.

Thatwasthe2forJohnUnderwood.

Onacoldevening,astorm3nearhishome.Underwoodwasheadingoverto

helphissisterwhentheroadswere4.Hesawsomeotherdriversgetstuck,so

hegotoutofhistrucktohelp."MybeliefisthatifIhavetheabilitytodogood,

thenIshoulddoit.Thereshouldbeno5."hesaid.

Underwoodwasn,toutofhisglongbeforeheheardacry,“Someonewas

screaming,'Myparents,myparents!’"Momentslater,a12-year-oldboyranup

toUnderwood,sayinghisparentswere?andaskedforhelp.

TheHammondswenttogetthingsfromthebasementwhenthewalls§tobear

theweightofrainandfelldown,andtheycouldn519.Worsestill,thewater

wasrisingfast.10wasofextremesignificance,soUnderwoodtookactionatonce.

Anyinappropriateactioncouldaddmoredangers.Luckily,Underwoodhad11as

acontractor（承包商）.“Diggingaholeinthelivingroomfloor,Iknewit'sa12

way.”hesaid.

Withphysicalstrength,patience,andalotof13,Underwoodsavedtheir

lives.Hesaidhedidwhatanyonewoulddo,butthat*snotnecessarilytrue.It's

hardtoputyourselfinadangerouswaytorescueanother.That'swhytheAmerican

RedCross14him.AnnOtto,whowasinchargeofthe23rdAnnualActsofCourage

Awards,saidtheAwardsshouldgotoheroeslikeUnderwoodwhohaveacted15and

selflesslyinatimeofemergency.

1.A.lessonB.direction

C.hopeD.hand

2.A.roleB.concern

C.caseD.behavior

3.A.brokeB.disappeared

C.returnedD.changed

4.A.clearedB.completed

C.repairedD.flooded

5.A.arrangementB.wonder

C.excuseD.problem

6.A.powerB.sense

C.houseD.vehicle

7.A.ignoredB.trapped

C.injuredD.missed

8.A.managedB.failed

C.triedD.struggled

9.A.speakB.reunite

C.escapeD.survive

10.A.TimeB.Relief

C.SuccessD.Action

11.A.attitudeB.potential

C.confidenceD.experience

12.A.difficultB.safe

C.creativeD.quick

13.A.braveryB.encouragement

C.anxietyDresponsibility

14.A.invitedB.honored

C.interviewedD.helped

15.A.fortunatelyB.immediately

C.activelyD.courageously

课时作业(七)

I.阅读理解

【语篇解读】本文是记叙文。Lauren通过远程遥控机器人去学校上学。

1.答案与解析:D细节理解题。根据第二段的acouldn，tbeinthesameroomwith

dairyproducts.v及“Cheeseparticlesstillhungintheair.”可知，那天在科学课

上，Lauren因为吸入奶酪微粒而导致过敏症发作，被送进医院。

2.答案与解析：C细节理解题。根据第一段中的"Mythroatstartedclosing,,以

及第二段中的“ButLauren'sallergyismuchworsethanmost."，aLaurencouldn，tbe

inthesameroomwithdairyproducts”和aLaurenneverreturnedtoschoolafter

that."可知，Lauren的过敏症一旦发作就会产生可怕的后果。

3.答案与解析：A词义猜测题。根据画线单词后的"Noonewenttoschoollike

that.”可知，一开始，Lauren觉得用机器人代替自己去上学很奇怪，因为没人会那样做。

4.答案与解析：D推理判断题。根据第三段的“Avideocamera...talktoLauren

too.以及第四段的"createdaway...sheexplains.可知,用机器人代替Lauren去学

校上学跟她自己去没什么两样。

【语篇解读】文章主要介绍的是在森林里迷路时应该怎么办。如果和朋友们一起进入

森林的话，最好和他们待在一起。如果迷路的话，最好待在原地等待救援。

5.答案与解析：D细节理解题。根据第三段“Givethemasignalby...threetimes

isacallforhelp.”可知，每过一会儿就喊叫三声或吹三下口哨是求救的信号，故选D。

6.答案与解析：D细节理解题。根据倒数第二段“Ifyoudon'tthinkthatyouwill

gethelpbeforenightcomes,trytomakealittlehouse...”可知，如果没有人回应

你的求救信号，这时应该给自己布置一个过夜的房子，故选D项。

7.答案与解析：C细节理解题。根据文章倒数第二段“・・.leaveyourlittlebranch

housetolookforabrook...Pickoffsmallbranchesanddropthemasyouwalksothat

youcanfindyourwayback.”可知，当口渴时，你需要去找一条小溪，但是记得在路上做

标记，故选C。

8.答案与解析：C主旨大意题。根据第一段"Ifyoudogetlost,thisiswhatyou

shoulddo.”和最后一段“Themostimportantthingtodowhenyouarelostis-stay

inoneplace."可知，文章主要讲的是在森林里迷路时应该怎么办，故选C。

II.完形填空

【语篇解读】本文是一篇记叙文。文章叙述了JohnUnderwood在一次暴风雨中，沉

着勇敢地帮助了他人的故事，并被美国红十字会授予了荣誉。

1.答案与解析：D考查名词辨析。A.lesson课程；B.direction指导；C.hope希望；

D.hand手。句意：有些人生来就是帮助别人的。固定短语givesb.ahand“帮助某人”。

故选D项。

2.答案与解析：C考查名词辨析。A.role角色；B.concern关心；C.case事件，情

况；D.behavior行为。句意：这就是约翰•安德伍德的情况。此处指上文中“对的时间出现

在对的地方”，而约翰就是这样的情况(case)。故选C项。

3.答案与解析:A考查动词辨析0A.broke(天气)突变;B.disappeared消失;C.returned

归还；D.changed改变。句意：在一个寒冷的夜晚，他家附近突然下起了一场暴风雨。break

可指好的天气突然变化。故选A项。

4.答案与解析：D考查动词辨析。A.cleared清理；B.completed完成；C.repaired

修理；D.flooded淹没。由上文暴风雨可知，道路应是被雨水淹没(flooded)。故选D项。

5.答案与解析：C考查名词辨析。A.arrangement安排；B.wonder好奇；C.excuse

借口；D.problem问题。句意：没有任何借口。此处指上文中尽力帮助别人是没有任何理由和

借口的。故选C项。

6.答案与解析:D考查名词辨析°A.power力量;B.sense感觉;C.house房子;D.vehicle

车辆。上文提到约翰开出了自己的truck,此处是指他下车(vehicle)。故选D项。

7.答案与解析：C考查动词辨析。A.ignored忽视；B.trapped困住；C.injured受

伤；D.missed错过。由下文男孩寻求约翰的帮助(askforhelp)可知，小男孩的父母是被困

住(trapped)了。故选C项。

8.答案与解析：B考查动词辨析。A.managed管理；B.failed失败；C.tried尝试；

□.struggled挣扎。句