Unit 2 Water-2022-2023学年英语八年级下册单元知识点总结+课文原句+例题（牛津上海版）（答案版）

牛津上海版八年级下册Unit2知识点总结积累“use”的用法(P.15)（1）usedtodosth

过去常常做某事（2）beusedtodo

……被用来做某事=beusedfordoingsth（3）beusedtodoingsth.习惯于做某事=getusedtodoingsth（4）makegooduseof...充分利用...（5）beusedby...被...使用例句赏析：Thismethodissimplerandquickertousethanconventionalmethods这种方法比传统方法更简单、更快捷课文原句：Don’tusethepooltoday.Ididn’tputanywaterinit.今天不要使用游泳池。我没有在里面放任何水。例题（1）____A____Chinesehistory,skylanternswerefirstusedbyZhugeKongming.A．Accordingto B．Infact C．Assoonas D．AsfarasIknow例题（2）Iusedto____A____lateforschool.ButnowIamusedto________upearly.A．be;getting B．being;get C．be;get D．being;getting2.voice(名词）声音(P.17)（1）raiseone'svoice

提高某人的声音（2）inalowvoice

以很低的声音--inahighvoice

以很高的声音--HetalkedinsuchalowvoicethatIcouldhardlyhearhim.

他说话的声音如此之低，以至于我几乎听不到他的声音。（3）hisvoicesoundsfriendly

他的声音听起来很友善例句赏析：They

then

heardawoman’svoicecomingfromthewreckedvehicle.

然后他们听到一个女人的声音从失事的车辆中传来。课文原句:“Turnthattapoff”，avoicesaidloudly.“关掉那个水龙头”，一个声音大声说道。例题（1）Thebabyissleepinginthebedroom.You’dbetter___A_____yourvoicedown.A．keep B．tokeep C．keeping D．keeps3.turn(动词）转（名词）轮流（P.17）（1）turn…into…把…变成…（2）turntosbforhelp

向某人寻求帮助（3）turnthesituationaround

扭转局面（4）It'sone'sturntodosth

轮到某人做某事（5）turn

onthelight

开灯--turn

offthelight

关灯例句赏析：Lisaturnedherfacetothewindowtohideherembarrassment

丽莎把脸转向窗户，以掩饰自己的尴尬课文原句：Turnthattapoff.Youarewastingwater.关闭该水龙头。你在浪费水。例题（1）“Whoseturn____C____thefloortoday?”theteacherasked.A．clean B．sweep C．toclean D．cleaning例题（2）—Excuseme,sir.Couldyoutellme__B______?—Yes,goalongthisstreetandturnright.Youwillfinditonyourright.A．whenthebankopens B．howIcangettothebankC．whatIcangetinthebank D．whyyouwanttogotothebankdrop（动词）下降；掉落（可数名词）滴;下降（P.17）（1）adropof…一滴…--saveeverydropofwater节约每一滴水（2）asharpdrop急剧的下降（3）droptheglasstothefloor

把杯子摔到地上（4）dropinonsb

拜访某人好句赏析：Thiscookis

theoneonwhom

wedroppedintheotherday.

这个厨师是我们前几天拜访的那个课文原句：I’madropofwater.It’snoteasyformetogethere.我是一滴水。我来这里并不容易。例题（1）—Mille,youdrop____B____“s”intheword“careless”.—Oh,Iforgotit.a B．an C．the D．/enjoy(动词)喜欢；享受（P.17）enjoydoingsth喜欢做某事enjoyoneself玩的开心；过得愉快enjoytheview享受风景enjoygoodmedicalcare享受良好的医疗护理词转：enjoyable（形容词）令人愉快的；享受的--Nothingismoreenjoyablethangoingtothebeachforapicnic没有什么比去海滩野餐更令人愉快的了好句赏析：Thefirstsecretofhappinessistoenjoy

thesimplethingsinlife.幸福的第一个秘诀是享受生活中的简单事物。课文原句：Afewdaysago,Iwasfloatingcomfortablyinacloud，enjoyingtheview.几天前，我舒适地漂浮在云中，欣赏美景。例题（1）Canthestudentsusethewaystheyenjoy___C_____thepassage?A．read B．reading C．toread例题（2）—Doyouenjoyworkinginthegarden?—Yeah.____C____wonderfultimeitistohavesomanybeautifulflowersaroundme!A．How B．What C．Whata D．Howa6.run(动词)跑；流动；经营（P.17）（1）runoutof…用完…;用尽…--runoutoftheresource

用尽资源（2）runawayfrom...

逃避...；远离...（3）runafter…追逐…（4）inthelongrun

从长远来看例句赏析：Scientistssupposedthattheearthwillrunoutofitsresourceinthe20years.

科学家认为地球将在二十年内消耗完其资源课文原句：Irelaxedthereforafewdays,andthenItravelledalongwayandranintotheHuangpuRiver.我在那里放松了几天，然后我走了很远的路，跑进了黄浦江。例题（1）Ifyouwanttokeepadog,makesurethatithasenoughspacetorun___A_____.A．free B．quiet C．fit D．slow7.treat（动词）看待；对待；治疗（P.17）（1）treatsbas...把某人看作...（2）treatsbrudely

粗鲁对待某人（3）treatcancer治疗癌症（4）treatthepatients治疗病人词转：treatment（名词）对待；治疗；加工处理--comeupwiththebesttreatment

想出最好的治疗方法--asimplebuthighlyeffectivetreatment.

一种简单但高效的治疗方法。例句赏析：Whoeveryoumeetinthefuture，treatthemwithkindness

无论你将来遇到谁，都要善待他们课文原句：Iwasdirtyaftermyjourneysotheytookmetoawatertreatmentworks.旅途结束后我很脏，所以他们带我去了水处理厂。例题（1）DoctorSmithsometimeshadtotreatthewoundedon__B______own.A．him B．his C．them D．their例题（2）In___C_____USA,childrenusuallyplay________gamecalled“trickortreat”atHalloween.A．a;the B．/;the C．the;a D．/;a8.chemical（形容词）化学的（可数名词）化学用品；化学物质（P.17）（1）aharmfulchemical一种有害的化学物质--addafewchemicalsto...向...中添加一些化学物质（2）severalchemicalfactories

几家化工厂（3）chemicalpesticides化学农药词转：chemistry（名词)化学例句赏析：Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.看！有几家化工厂将废水倒入溪流中。课文原句：Theygavemeathoroughcleaningandaddedafewchemicalstome.他们给了我彻底的清洁，并给我添加了一些化学物质。例题（1）—Theheavyfire___A_____inthechemicalfactoryofHuaianlastOctober.—Thefirementriedtheirbesttoputitout.A．brokeout B．brokedown C．brokeinto D．brokeupend(名词）末尾（动词）结束（P.17）attheendof...在...末尾；在...尽头--attheendofthestreet在街道尽头--attheendofJune在六月末bytheendof...截止到...时候为止Intheend最后；终于=atlastariverthathasnoend一条没有尽头的河流endthewar结束战争例句赏析：TheUnitedNationandotherorganizationsaretryingtoendthewar.联合国和其他组织正在努力结束战争。课文原句：Thisistheendofyourjourney.这是你旅程的终点。例题（1）___A_____thisterm,I’msureI’llgetbettergradesbecauseIstudyveryhard.A．Attheendof B．Attheend C．Intheendof D．Intheend例题（2）—Therearemanytheatres____D____theisland.—Yes.Broadwayis________thesouthernendoftheisland.A．at;in B．on;on C．at;on D．on;at10.remember（动词）记得（P.17）（1）remembertodosth

记得去做某事--表示此事还没有做--Remembertobuy

anewpenforme

记得为我买一支新笔（2）rememberdoingsth

记得曾经做过某事--表示此事已经做过了--Irememberlendingthebooktoyou.

我记得把这本书借给你了。（3）forgettodosth忘记去做某事--表示此事还没有做--Don’tforgettodosth

不要忘记去做某事--yourroomisinamess.Don’tforgettocleanitup.你的房间一团糟。别忘了清理它。（4）forgetdoingsth

忘记曾经做过某事--表示此事已经做过了课文原句：Remembernottowastemeorpolluteme.记住不要浪费我或污染我。例题（1）Weshouldremembertotravel___A_____therightsideoftheroadinChina.A．on B．in C．at D．of11.pollution（名词）污染（P.27）（1）prevent

air

pollution

预防空气污染（2）reducepollution减少污染词转：pollute（动词）污染（1）pollutetheenvironment污染环境（2）beseriouslypolluted

被严重污染词转：polluted（形容次）被污染了的--breathethepollutedair

呼吸被污染了的空气例句赏析：Theyhavenotmadeanydecisiononwhattheyaregoingtodotodealwiththewasteandcontrolpollution.

他们还没有决定如何处理废物和控制污染。课文原句：Itisveryeasytopollutegroundwater.很容易污染地下水。例题（1）Waterpollutionisoneof___D_____environmentalproblemsweface.A．serious B．moreserious C．mostserious D．themostserious例题（2）Shehasdevotedmostofherlife___D_____pollutionfromthefactorynearby.A．toprevent B．prevent C．preventing D．topreventing12.enough的“修饰”作用（P.27）（1）修饰名词作定语放在所修饰词前面--enoughtime足够的时间（2）修饰形容词\副词作状语放在所修饰词后面--workhardenough努力工作例句赏析：Withdoublereductionpolicy,studentsaregivenlesshomeworknowsothattheyhaveenoughtimetotakepartinmoreactivities.

通过双倍减少政策，学生现在可以减少家庭作业，以便他们有足够的时间参加更多的活动。课文原句：Ifyouleavethewaterrunningwhileyouwashthedishes,youmightwaste135litresofwater-enoughtowashawholecar.如果你在洗碗时让水保持流动，你可能会浪费135升水-足以洗一整辆车。例题（1）—Mother’sDayiscoming,butIdon’thaveenoughmoneytobuyheragift.—Thegiftneedn’tbeexpensive.Ifitisfulloftruelove,itwill___A_____bevaluable.A．certainly B．probably C．smoothly D．widely13.believe（动词）相信（P.27）（1）believesb

信任某人的话--believeone'sexplanation相信某人的解释（2）believeinsb信任某人（3）Itisbelievedthat...

人们相信...（4）Itishardtobelievethat...

很难相信....（5）believeitornot信不信由你词转：unbelievable（形容词）难以置信的；不真实的例句赏析：Somebelievethatadreamisonlyanormalprocess

ofsleepanddoesn’ttellusanything.

有些人认为，梦只是一个正常的睡眠过程，并不能告诉我们任何事情。课文原句：Believeitornot,thewaterweflushdownourtoiletsstartsasfreshwater.信不信由你，我们冲入马桶的水是从淡水开始的。例题（1）—Hey,Judy.Doyoulikethisrockmusic?

—Oh,it’stoonoisy.__C______A．Ican’tbelieveit! B．Guesswhat?C．Giveusabreak! D．Youbet!例题（2）Ican’tbelieveyoumadethelife-likecatoutofpaper.How___B_____youare!A．proud B．creative C．helpful D．organized14.increase（动词）增加(1)increaseto…增加到了…(强调结果)--increaseby…增加了…（强调幅度）(2)increaseyourscienceknowledge增加你的科学知识--increaseone’sreadingspeed提高