25/25八下英語練習題和答案人教版一、單項選擇：

1.Haveyoueverbeenbacktoplacewhereyouwereborn,MaYun?

No,It’sshame,butI’mtoobusywithmyworkallthetime..

A.a;aB.a;theC.the;aD.the;an

.HowlonghaveyoutheLeague?Sincelastweek.

A.joinedB.beenC.beenjoinedD.beenin

.IhavenevertastedIndianfood.Howaboutyou,Jack?.It’ssaidtobeveryhot.

A.MetooB.SoIhaveC.MeneitherD.SohaveI

.Youwon’tfeelhappyatschoolyougetonwellwithyourclassmates..

A.thoughB.becauseC.unlessD.when

5.Havealotoftravelersvisitedthemuseum?Yes,andtheyareA.luckilyB.mostlyC.recentlyD.brightly

.Mum,I’mthinkingaboutholdingmypartyinourgarden.Butit’skindofdirty.

Don’tworryIhavealltherubbishthere.

A.handedoutB.cutoutC.checkedoutD.clearedout

.Mum,whatshouldIdo?Mydear,Youhavegrownupandit’.

A.mistakeB.decisionC.riskD.difference

.Doyouhavelotsofhomeworkeveryday?.Butnoneiseasy.

A.littleB.fewC.afewD.alittle

.MrGreenisn’there,HewithhisfamilyhomeinEngland.

A.havebeenB.hasbeenC.hasgonebackD.havegone

10.Katewasilllastweek.Butsheistogotoschooltoday.

A.goodenoughB.enoughwellC.wellenoughD.enoughgood

11.IhaveneverreadbookthatIcan’tputitdown.

A.suchanexcellentB.asuchexcellentC.suchexcellentaD.soanexcellent

12.upsomerubbishwhileheby.

A.pick;waspassingB.picking;waspassingC.waspicking;waspassingD.picking;passed

13.treesweplant,environmentwewillhave.

A.Themore;thebestB.Themost;thebetterC.Themore;thebetterD.Thefewer;thebetter

14.I’dliketoinviteyoursistertotheWaterPark.Hassheeverbeenthere?

Sorry,IhavenoideaA.when;orB.when;andC.whether;orD.whether;and

15.I’mnewhere.Couldyoupleasetellme________?

A.whatisthebuildingusedforB.whendoesthefirstclassbegin

C.whereisthedininghallD.howmanyclassesourschoolhas

二、完形填空OnenightayoungAmericandoctorwassleepingathomewhenhisdoorbellbegantoring.Whenheopenedthedooutside.

“Excuseme,Doctor,”saidtheman.“Canyoucomeatoncetoaplaceoutoftown.It’squitefarbutyouhaveacarandway”

“Certainly,”saidthedoctor,“I’mready.I’llcomesoon.”afewminutes,thecarcame.Theman

gotintothecarandtheyoff.“Hereweare.Thisismyhome.NowIcanpayyouandyoucangtotown.”“Butpatient,”thedoctorsaid.“Where’sthepatient?”“There’spatient,”answeredtheman.“Nobodyhomefromthetown.Therearenotaxisatthistime

ofthenight.Here’s!

16.A.listeningB.standingC.sittingD.watching

17.A.takeB.passC.seeD.show

18.A.AfterB.ForC.InD.With

19.A.droveB.leftC.gotD.went

20.A.shortB.longC.hardD.late

21.A.awayB.quicklyC.backD.slowly

22.A.watchB.lookforC.seeD.know

23.A.myB.noC.aD.your

24.A.goB.loseC.findD.ask

25.A.eveningB.nightC.ideaD.foryou

三、閱讀理解

AMr.andMrs.Turnerliveoutsideasmalltown.Theyhaveabigfarmandtheyarealwaysbusyworkingonit.Theirson,Peter,studiedatamiddleschool.Theyoungmanstudiedhardanddidwellinhislessons.Itmadethemhappy.

LastmonthPeterfinishedmiddleschoolandpassedtheentranceexamination.Mrs.Turnerwasveryhappyandtoldthefarmersaboutit.

Yesterdaymorningthewomanwenttothetowntobuysomethingforherson.Onthebusshetoldoneofherfriendshowcleverandablehersonwas.Shespokeveryloudly.Allthepeopleinthebusbegantolistentoher.

“Whichuniversitywillyoursonstudyin?”awomannexttoherasked.

“Inthemostfamousuniversityinourcountry!”Mrs.Turnersaidhappily.

“Themostfamousuniversity?”

“OxfordUniversity.”

Mostofthepassengerslookedathercarefully.Someofthemsaidtoher,“Congratulations!”

Awomansaid,“I’msurehe’llknowFredSmith.”

“Who’sFredSmith?”

“He’smyson.”

“Doeshestudyintheuniversity,too?”

“No,”saidthewoman.“Heisoneoftheprofessors.”

l.Thestoryhappenedin________.A.AmericaB.FranceC.GermanyD.England

2.Mr.andMrs.Turnerwerehappybecause________.

A.theirsondidwellinhislessonsB.theyhaveabigfarm

C.theyhaveagoodharvestD.theirsonstudiedatamiddleschool

3.Mrs.Turnerwantedeveryonetoknow________.

A.hersonfinishedmiddleschoolB.hersonwashandsome

C.D.hersonwasveryfriendlytoothers

4.Mrs.Turnerspokesoloudlyinthebusthat__________.

A.herfriendcouldhearherB.allthepeoplecouldhearher

C.shehopedtomakeallthepeoplehappyD.shehopedtheywouldsaycongratulationstoher

5.Whichofthefollowingistrue?__________.

A.Thewomanwasn’tinterestedinMrs.Turner’swordsB.Mrs.Turnerknewnothingaboutthefamousuniversity

C.ThewomanwantedtostopMrs.Turnerfromshowingoff

D.ThewomannexttoMrs.Turnerwantedtoshowoffherson,too

B

Ifyouhavenospecialplansforyourholidays,whynotspendyourtimehelpingothers?

Don’tlistentopeoplewhosaytheyoungpeopletodayoftenthinkonlyofthemselves.It’snottrueatall.MoreandmorepeopleintheUSAvolunteertospendtheirschoolholidaysworkingforothers.Andtheydon’tdoitformoney.Herearesomeoftheirstories.

AliceHamilton,17

I’mgoingtohelptheForestCentrebuildnewhikingpathsinthemountains.It’sgoingtobeterrific—I’llspendthe

wholesummerlivinginthetentandbreathingthecleanmountainair.I’mgoingtosleepunderthestars.It’llbeanicesport,andI’llbeabletodosomethinggoodatthesametime.

JasonMoore,18

Thissummer,I’mgoingtovolunteerwithSpecialHouseProgram.Theybuildgood,low-costhousesandsellthemtofamiliesthatarenotveryrich.They’llteachmewhattodo,soI’llhelppeopleandalsohaveachancetolearnhowtobuildhouses.

TrishAnderson,16

I’mgoingtoteachkidswhohavetroublereading.I’llworkforaprogramcalledReadingForLife.Everyday,I’mgoingtohelpkidschooseandreadbooksthattheylike.IwanttobeateacherandIlovechildrenandreading,sothisisgoingtobeagreatexperienceforme.

6.YoungpeopleintheUSAvolunteertospend___helpingothers.

A.schoolholidaysB.WeekdaysC.everymorningD.everyafternoon

7.WhatdoesAlicevolunteertodoinsummer?

A.TobreathethecleanmountainairB.Tospendthewholesummerlivinginthetent

C.TosleepunderthestarsD.Tohelpbuildnewhikingpathsinthemountain

9.______wantstobeateacher.

A.AliceHamiltonB.JasonMooreC.TrishAndersonD.noneofthem

10.Whichisthemostpossibletitleforthispassage?

A.ReadingforlifeB.ASpecialHouseProgramC.TheForestCentreD.YoungAmericanVolunteersC

Friday，March0th

OurtriptoChiangRaiwaslongandboring.Wevisitedasmallvillageinthemountains.Thevillagepeopleherelovethequietlife--nocomputersorphones.TheyarethekindestpeopleIhaveevermet.Theyalwayssmileandsay“hello”.

KathyandIcanonlyspeakafewwordsofThai,sosmilingisthebestwaytoshowourkindness.Ifeelgoodhereandhopetobeabletocomebacknextyear.

11.Thediariesaboveshowthewriter’s_________daysinThailand.A.B.C.15D.0

12.Itseemsthatvisitors_________inBangkok.

A.oftenfeelhungryB.canalwaysfindcheapthingsC.can’ttakeanyphotosD.canenjoythemselves

13.WhichofthefollowingisTRUE?

A.ChiangMaiisabeautifulcityinthesouthofThailand.B.ThewriterleftChiangMaiforChiangRaibybus.

C.ChiangRaiisaboringcityinthemountains.D.ThewriteristravelingaloneinThailand.

14.Thepeopleinthevillage_________.

A.arefriendlytoothersB.liketospeakEnglishC.areveryweakD.hopetoliveinthecities

15.Thebesttitleofthisarticleis_________.

A.MyFirstTravelB.TheOutsideWorldC.TravelinginThailandD.ACountryontheTrain

Therearealotofintheworld.ButthemostwidelyspokenlanguageisEnglish.Manypeopleu___2___anduseitallovertheworld.language.___4_____weknowEnglish,wecanhardlytravelanywhereandwewillhavedifficultyourselvesunderstood.EnglishisgreatlyusedinstudyEnglisheverydaytoteachpeoplemanyusefulthings.Therefore,theEnglishlanguagehastospreadknowledgetoallpartsoftheworld.

Englishhasalsoservedtobringtogetherthedifferentpeoplesoftheworldbyhelpingtotalkwithone.

1.________2._________3.__________.__________.__________

6.___________7.__________8.____________9.____________10._________

五、補全對話

根據(jù)下面的對話情景，在每一個空白處填上一個恰當?shù)木渥樱箤υ挼囊饬x連貫、完整。A:Hello,Ann.Thissummervacationiscoming.?

B:I’mgoingtoEnglandwithmyfriends.whataboutyou?

A:I’mgoingtoShaoLinTampletostudyKongFu.B:A:Yes,ofcourse.?

B:Yes,Ihave.Iwenttherethreeyearsago.

B:Istayedthereforaweek.ThistimeI’llgotomoreplaces.

A:.

B:Thankyouverymuch.Ihopeso.

六、書面表達

鄭州73中學學生會為了幫助本校家庭貧困的學生籌集上學和文具費用，月25日在本校升旗廣場舉行愛心義賣會，假如你是學生之一，你是怎么做的，你的感想是什么？字數(shù)80字左右。

_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________人教版八年級下英語期末考試試題

部分答案：一、CDCCB/DBDCC/ABCCDXkB1.com二、BDCDB/CCBAB三、DACBC/ADCCD/BDBAC/CBBDD四、1.languages.understand.useful.unless.making

6.kinds7.in.helped9.them10.another五、略

六、略

《壓強》單元檢測題

一、選擇題

1．球鞋的底部有凹凸不平的花紋，這是為了

A．減少壓強B．增大摩擦

C．減少摩擦D．增大壓力

2．邊長為10cm，重100N的正方體，把它放在邊長為50cm的水平桌面中央，則桌面受到的壓強為

A．4×10PaB．2×10PaC．1.0×10PaD．1×10Pa

3．甲、乙兩個用同種材料制成的實心圓柱體，它們的高度均為10cm，而質量分別是2kg、3kg，現(xiàn)將它們豎直放在水平面上，則它們對水平地面的壓強

A．甲大B．乙大C．一樣大D．無法判斷

4．如圖1示，甲、乙兩個容器都是圓柱形的，但乙容器比較粗。兩容器中盛的都是水，放在水平桌面上時液面一樣高。那么下列說法中正確的是

A．甲容器中的水少些，所以水對甲容器底的壓強小些

B．乙容器底面積大些，所以水對乙容器底的壓強小些

C．水對兩容器底的壓力相等，壓強也相等

D．水對兩容器底的壓力不相等，但壓強相等

圖1

5．如圖2，一個上下粗細不一樣的容器，注入部分水后封閉。如圖甲那樣放置時，水對底部的壓強是P1，將它倒置如圖乙那樣放置時，水對底部的壓強為P2。那么，P1與P2關系是

A．P1=PB．P1C．P1>PD．無法比較

圖

2

6．做托里拆利實驗時，如果管內水銀柱的上方漏進了少許空氣，那么，所測得的大氣壓值將會

A．比實際氣壓小B．比實際氣壓大

C．與實際氣壓一樣D．以上三種情況都有可能

7.不可以直接說明大氣壓強存在的事實是

A.帶掛鉤的塑料吸盤能吸附在光滑的玻璃上

B.鋼筆從墨水瓶中吸取墨水

C.用塑料管吸取飲料瓶中的飲料

D.河堤的下段比上段要造得寬

8．某次操作正確的所托里拆利實驗測得大氣壓強并不是76cm水銀柱。其原因可能是

A．玻璃管太粗B．玻璃管插入過深

C．玻璃管不嚴格豎直D．與實驗地點有關

9．在制藥時，為了從溶液中提取抗菌素，可用加熱的方法使溶液沸騰而除去其中的水分．

但

抗菌素不能在超過80℃的條件下提取。為此，應采取下列哪種措施?

A．增加容器內的氣壓，使沸點低于80℃

B．降低容器內的氣壓，使沸點低于80℃

C．用微火緩慢地加熱，使沸點低于80℃

D．在高壓鍋內進行，讓水分跑掉而把抗菌素留下來

10．在地鐵或火車站臺上等候車輛時，要求乘客要離開站一米以上，其主要原因是

A．車輛過來時風太大

B．車輛過來時，帶來好多飛塵

C．車輛駛過站臺車速快，帶動空氣流速加快，使人易“吸”向車輛，造成危險

D．車輛駛過站臺車速快，使人與車之間空氣流速加快，易將人吹向后倒地

11．秋天樹葉落在路面，當一輛高速行駛的汽車駛過時，路旁的樹葉

A．從路旁吸向汽車B．從路中間飛向路邊

C．不受影響D．只向上飛揚

12．春天是放風箏的好季節(jié)。風箏在空氣中飛行利用了下列什么原理

A．風箏下方空氣流動速度小，空氣壓強小B．風箏下方空氣流動速度大，空氣壓強大

C．風箏上方空氣流動速度大，空氣壓強小D．風箏上方空氣流動速度小，空氣壓強大

13、如圖3所示，是甲、乙兩種液體內部的壓強與深度關系的圖象,設液體甲的密度為ρ甲、液體乙的密度為ρ乙，則ρ甲、ρ乙的關系是

A、ρ甲=ρ乙B、ρ甲＜ρ乙

C、ρ甲＞ρ乙D、無法確定

圖3

二、填空題

14．小偉同學參加軍訓時，體檢稱得他的質量為50kg，他立正時對水平地面的壓力為_______N；他正步走時，他對地面的壓強將_________．

15．坐沙發(fā)要比坐板凳舒服，這主要是因為沙發(fā)較易發(fā)生形變，增大了人與沙發(fā)間的__________，在____________不變的情況下，_____________了壓強.載重汽車的輪胎比普通車的多而寬，這樣能_________________________.

16．用物理知識來說明：縫衣針頭做得很尖是為了________，手指上套著頂針是為了___________．

17．某同學測得家用保溫瓶深度為30cm，裝滿開水后，水對瓶膽底的最大壓強是_______Pa；若將開水全部倒入臉盆后，則水對盆底的壓強______水對瓶膽底的最大壓強.

18.某水壩高30m，水面到壩底的距離是2m，求距離壩底m處A點水的壓強是___________Pa.

三、作圖與實驗題

19、如圖4所示，物體靜止在斜面上，畫出物體對斜面壓力的示意圖。

20、如圖5是研究壓強的簡易實驗。實驗器材是：一塊泡沫塑料、一只自制的小桌、一只大砝碼。實驗時，按圖甲、乙、丙三種方式放置器材，觀察海綿表面下陷的程度。

圖甲和圖乙相比較，小桌對海綿的壓力，小桌與海綿的接觸面積，海綿下陷的程度，通過比較，可以得出的結論是。圖乙和圖丙相比較，小桌對海綿的壓力，小桌與海綿的接觸面積，海綿下陷的深度，通過比較，可以得出的結論是。

圖5

四、計算題

21．質量為20t的坦克，每條履帶與地面的接觸面積為2m2，求：

坦克所受到的重力是多大?

若冰面所能承受的最大壓強為6×10Pa，坦克能否直接從冰面上通過?

22．一平底玻璃杯放在水平桌面上，內裝150g的水，杯子與桌面的接觸面積是10cm，如圖6所示.求：

水對杯底的壓強；

32圖若桌面所受玻璃杯的壓強是2.7?10Pa，求玻璃杯的質量.

人教版八年級英語下冊

單元測試題

年級英語第一單元檢測題

班級_____姓名_____________學號_______等級_______

一、詞匯考查。

A.選擇正確的詞語填空。

1.Tomhas__________ChristmascardsthanI.

2.Theybelievethattherewillbe__________er)greentreesinfiftyyears.

3.Heisillandhecaneat_________food,sohegetsquiteweak.

4.The________wegettogether,the________we’llbe.

5.Davidhas_______moneythanAnnahas.

B.把括號中的漢語翻譯成英語。

6.—Doyouhavealittle_______________？

—Yes,Ido.Why?—Iwanttotalkaboutsomethingwithyou.

7.IthinkIwillbeinahighschool_________________.

8.—Whatdoyouthinkaboutinthefuture?

—Ithinkstudentswillallstudyathome________________.

9.Whichmovieswill_____________________nextyear?

10.—Canyou_________________?

—Alittle.

—Thenjoinus,please.

C.理解句意，填補所缺部分。

11.Thursdayisthef___dayofaweek.

12.Yesterdayitrainedveryh_______,soIdidn’tgoout.

13.Myparentsenjoylinthecountrysideverymuch.

time?Iwantyourhelp.

.

in100years.

17.Wewillhavealongvafterafewdays.

18.Doyouhaveaccard?

rightaway.

thanitisnow.

二、根據(jù)句意，用括號內所給詞的適當形式填空。

21.Shewantstobea_________whenshegrowsup.

22.Thereisatall_________infrontofthepostoffice.

23.Icandomyhomeworkby_________.

24.TodayisSunday.Let’sgo________.

25.Pleasebuysome_________forthem.

三、同步語法。

A.用括號內所給動詞的適當形式填空。

26.They____________anyclassesnextweek.

27.Betty_____________toherparentstomorrow.

28.Lookatthoseclouds.It___________.

29.He____________anEnglishbooknow.

30.Look!Manygirls______________overthere.

B.按要求改寫下列句子，每空一詞。

31.Theycleantheclassroomeveryday.

They__________________theclassroomtomorrow.

32.Willtheflowerscomeoutsoon?_________,__________________.

33.We’llgooutforawalkwithyou.

We__________________outforawalkwithyou.

34.Nanjingwillhaveafineday.

_________Nanjing_________afineday?對劃線部分提問)

__________________thestudents_________?

四、單項選擇。

36.—Willpeoplelivetobe00yearsold?—_________.

A.No,theyaren’tB.No,theywon’tC.No,theydon’tD.No,theycan’t

37.Therewillbe_________pollutionthisyearthanlastyear.

A.fewerB.muchC.lessD.many

38.Ithinkpeopleherearefriendly.Doyouagree_________me?

A.withB.toC.onD.from

39.—WhereisMissWang?

—ShewenttoHainanIslandlastweekandwillreturn_________sixdays.

A.agoB.laterC.behindD.in

40.—_________willtheyplay?—Theywillplayfootball.

A.WhatsubjectB.WhatsportC.WhatfoodD.Whatlanguage

41.Iwillseeyouagain_________.

A.adayB.everydayC.onedayD.everyday

42.Ihopeyourdreamwill_________.

A.cometrueB.comeoutC.comeinD.comeon

43.Everyonewantsto_________tothemoonforvacations.

A.walkB.runC.swimD.fly

44.Thiscoatdoesn’tfithimwell,ashehas____ahugebodyandthecoatis___small.

A.so;suchB.so;soC.such;suchD.such;so

45.—Howmanybirdscanyouseeinthetrees?

—Icansee_________birdsinthem.

A.hundredsofB.fivehundredsC.hundredofD.fivehundredsof

五、根據(jù)漢語意思完成下列句子，每空一詞。

46.沒有人知道將來會發(fā)生什么事。

Nooneknowswhatwillhappen___________________________.

47.電腦如今被人們廣泛地使用。

Thecomputers_________widely__________________peopletoday.

48.你認為哪一張畫最好看？

Which___________________________isthenicestpicture?

49.他的叔叔是一名宇航員。他去年在太空站工作。

Hisuncleisan_________.Heworkedona__________________lastyear.

50.我到臨沂后，我就愛上了這座城市。

I____________________________________thiscityafterIgottoLinyi.

六、完形填空。

Ａ

Weliveincomputerage.People1scientists,teachers,writersandevenstudentsusecomputerstodoallkindsofwork.Butmorethan0yearsago,couldn’tdopeoplewereinterestedinthemand

knewhowtousethem.Todaycomputersaresmallerand.Buttheycandoalotofwork;manypeopleliketousethem.Somepeoplehavethemathome.thanpeopleandmakepeopledoalotofwork.Writersnowusecomputers.Computerscanthem.Computersareveryusefulandhelpful.Theyareourfriends.Doyouwanttohaveacomputer?

51.A.likeB.asC.andD.with

52.A.studentsB.scientistsC.teachersD.computers

53.A.fewB.afewC.littleD.alittle

54.A.cheapB.cheaperC.moreexpensiveD.expensive

55.A.evenB.stillC.alreadyD.yet

56.A.fastB.fasterC.slowD.slower

57.A.helpB.makeC.stopD.use

58.A.writeB.playC.studyD.learn

59.A.singB.studyC.danceD.watch

60.A.putinB.putonC.putintoD.putup

Ｂ

根據(jù)短文內容和首字母提示完成句中所缺單詞。

InEnglandwinter.Thereisagreatdbetweensummerandwinter.Whyisit?

Englandhasawarmwinterandac63summerbecauseitisanislandc.Inwintertheseaisw65thantheland.Thewindsfromtheseat6warmairtoE.Insummertheseaisc68thantheland.Thewindsfromtheseat9coolairtoEngland.ThesouthwestwindsblowoverEnglandalltheyear.Theyblow

9.0.

七、閱讀理解。

A

Peterwasaninventor.Hisjobwastoinventnewthings,andheworkedwhenhehadanidea.Hisworkroomwasinhishouse,sohecouldworkwheneverhewantedto.Sometimesheworkedsevendaysaweekandsometimeshedidn’tworkfordays.Hedidallhisworkrightathome,butheleftthehousetogotomeetingssometimes.

Peterusuallygotupataboutfiveo’clock.Hemadesometeaandstartedtoworkatsix.Hedrankteaallday—hecouldn’tworkwithoutit—buthedidn’teatanythinguntilintheevening.

First,Petercleanedtheworkroomandturnedontheanswer-phonebecausehecouldn’ttalktopeoplewhenhehadanidea.Thenhestartedtowork.Heusuallyhadarestaftertwoorthreehours,buthedidn’tleavetheworkroom.Hedidsomethingdifferenttohelphimrelax.Sometimeshedidsomeexercise,andsometimeshelistenedtomusic.Heusuallystoppedworkingataboutnineo’clockintheevening.Hethoughtabouthisworkmostofthetime,evenwhenhewasout.Hewasinterestedinwhatwasaroundhimandhelikedlookingfornewideasandnewproblemstosolve.

閱讀短文，完成句子

71.Peterwasan______.

72.Peterdidhisworkathome,buthelefthishousetohave______sometimes.

73.Whenhewasworkingatdaytimehedidn’t______anythinguntilintheevening.

74.He______theanswer-phonebecausehecouldn’ttalktoothers.

75.Torelax,heoftendidsomeexerciseand______inhisworkroom.

B

WeareallbusytalkingaboutandusingtheInternet,buthowmanyofusknowaboutthehistoryoftheInternet?

ManypeoplearesurprisedwhentheyfindthattheInternetwassetupinthe1960s.Atthattime,computerswerelargeandexpensive.Computernetworksdidn’tworkwell.Ifonecomputerinthenetworkbrokedown,thenthewholenetworkstopped.So