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铜仁市2021年初中毕业生学业(升学)统一考试
英语试题
注意事项:
1.答题前务必将姓名、准备考证号填写在答题卡规定的位置。
2.答题时,卷I(客观题)部分必须使用2B铅笔填涂答题卡上的答题框;卷n(主观题)部分
必须使用0.5毫米的黑色签字笔将答案书写于答题卡上各小题规定的位置。
3.所有题目必须在答题卡规定的位置作答,否则无效。
4.本试卷共8页,满分150分,考试时间120分钟,
5.考试结来后,将试题都和答题卡一并上交。
卷I
听力测试(30分)
听力I
温馨提示:听力I共四个部分,分别听完这四部分的材料后,先将各部分的试题卷I上选做出
来,等包括听力n在内的听力材料全部结束后,再将答题卡上与各小题的所选答案对应的答题
框涂黑。
I.听五个利字,选择与所听内容相符的图片,并在答题卡的相应位置将其字母序号涂黑。每个
句子读两遍。(5分)
II.听五个句子,分别选择其相应的应答语,并在答题卡的相应位置将其字母序号涂黑。每个句
子读两遍。(5分)
6.A.Fortwoweeks.B.Inaweek.C.Justnow.
7.A.Ifs$15.00B.Ifs15kilos.C.Ifs15kilometers.
8.A.Idon'thaveanynewspapers.B.Ididn'tseeit.C.No,Ihaven't.
9.A.Thanks,IwillB.Enjoyyourself.C.It'shardtosay.
10.A.You'relucky.B.That'stoobad.C.Soundsgreat.
ni.听五段对话,根据其内容及各题的问题选择正确选项,并在答题卡的相应位置将其字母序号
涂黑。每段对话读两遍。(5分)
11.Howmuchwillthewomansaveifshebuysfourcapsofthiskind?
A.Twentyyuan.B.Fortyyuan.C.Sixtyyuan.
12.Whattimeisitnow?
A.It's10:50a.m.B.It's10:40a.m.C.It's10:30a.m.
13.Whenistheman'sbirthday?
A.September9th.B.September10th.C.September11th.
14.Whosenovelisthis?
A.IfsMaria,B.It'sJane'sC.It'sTim's
15.Howmanypeoplewenttothecinema?
A.OneB.TwoC.Three
w.听一篇短文,根据短文内容和所提问题选择正确答案,并在答题卡的相应位置将其字母序号
涂黑。短文读两遍。(5分)
16.WhencanwegoacrossTheroad?
A.Thelightisred.B.ThelightisyellowC.Onlywhenweseegreenttwalk^^sign.
17.Howmanypiecesofadvicearementionedoncrossingthestreet?
A.TwoB.ThreeC.Four
18.Howcanwekeepsafewhenwearewalkingonthestreet?
A.Wemustcrosswhenweseetheredwalksign.
B.Wemustfollowthetrafficrules
CWecanjustlookleftandrunquickly
19.Accordingtothenewtrafficlaws,whatwillhappentousifwecrossthestreetwhenthelightisred?
AWecanbefined.B.Wewillloseourlives.C.Thepolicewillhelpus.
20.WhichisNOTtruefromthepassage?
A.Wecanplayonthestreetfreely.
B.It'snicetohelpchildrenandoldpeoplecrossthestreet.
C.Everyyearmanypeoplegethurtorlosetheirlivesintrafficaccidents.
温馨提示:听力n(io分)
本部分试题在卷n(71-75小题)。
综合运用(40分)
I.单项选择(15分)
从下列各题所给的选项A、B、C、D中选择能填入相应空白处的最佳选项,并在答题卡的相
应位置将其涂黑。
1.一Thesunshinesbrightly,you'dbettertakeumbrellawhenyougoout.
一OK.It'susefulsuggestion.
A.an;theB.a;theC.an;aD.a;an
【答案】C
2.—Youhaveanicehouse!Whoseroomisthis?
—Ifs.
A.JackandPeter'sB.Jack'sandPeter'sC.Jack'sandPeterD.JackandPeter
【答案】A
3.一Thisdressistoolong,pleasegivemeone.
一Sure,madam.Givebacktomeandtryonthisone.
A.other;oneB.other;itC.another;itD.another;one
【答案】c
4.—What'stheweatherliketoday?
—Ifsaday.It'sheavilynow.
A.raining;rainyB.rainy;rainingC.rainy;rainyD.raining;raining
【答案】B
5.—Mike,canyoutellmethemeaningoftheletters"KIT”?
一Don'tyouknowthat?They"keepintouch”.
A.searchforB.askforC.lookforD.standfor
【答案】D
6.一Doyouknowtheboyhandwritingwonthefirstinthecompetition?
——Oh,heisWangWei,ourmonitor.
A.whoB.whoseC.whomD.which
【答案】B
7.—Hasyourfathercomebackyet?
—No.HecomebackthisSunday.
A.doesn't;untilB.won't;afterC.doesn't;afterD.won't;until
【答案】D
8.—Look!Therearesomestudentsbasketballontheplayground.
一Yes.Ioftenseethembasketballthere.
A.play;playB.play;playingC.playing;playD.playing;playing
【答案】C
9.—MustIwashmyclothesatonce,mom?
一No,you.Youwashthembefore5:00p.m.
A.needn't;mayB.mustn't;mayC.needn't;needD.mustn't;must
【答案】A
10.—AlthoughZhongNanshanknowsCOVID-19ismoretooldpeople,hecareslittleforhis
ownsafety.
一Heistheprideofus.Weallrespecthim.
A.danger;butB.dangerous;/C.dangerous;butD.danger;/
【答案】B
11.一MissLiu,canyoutellme?
一Wegettogethertoenjoythemoonandeatmooncakes.
A.whydoyouliketheChineseNewYearbest
B.howdoyoucelebratetheMid-AutumnFestival
C.howChinesepeoplecelebratetheChineseNewYear
D.whatChinesepeopledoontheMid-AutumnFestival
【答案】D
12.一LiTao,therewillbeabigconcertinourcitynextmonth.
-Oh,excitingnews!
A.whataB.howaC.whatD.how
【答案】C
13.-TaiwanliesthesoutheastofChina,anditistheeastofFujian.
——OK,Iwanttovisititsomeday.
A.in;toB.on;toC.to;inD.to;on
【答案】A
14.—WhyhaveIneverseenthiskindofmobilephone?
一BecauseitbyHuaweilastmonth.
A.wasproducedB.wouldproducedC.hasproducedD.areproduced
【答案】A
15.Therearefloorsinthisbuilding.Helivesonthefloor.
A.thirty;nineB.thirtieth;nineC.thirtieth;ninthD.thirty;ninth
【答案】D
n.完形填空(io分)
阅读下面短文,然后根据短文内容从短文后各题所给的三个选项中选择能填入相应空白处的最
佳选项,并在答题卡的相应位置将其涂黑。
WhatdoyouknowaboutMars?Whatdoesitlooklike?
Marsisthefourthplanetfromthesuninoursolarsystemandis16afterMars,theRomangodof
war.17diameter(直径)is53%as18asthatoftheearth.Marsgoesaroundthesunata
distanceofabout228millionkilometers.Youcantell19planetisMarsbecauseitisbrightredinthe
nightsky.It20likearedandorangeball.It'sverybeautiful.Butduringspringandsummer,thesurface
ofMarsiscovered2jstrongstorms.ThegravityonthesurfaceofMarsisabout22asstrong
asitisonearth.Soapersonwhoweighs90kilosonearthweighsonly36kilosonMars.ThetemperatureonMarsis
23-138℃and28℃.Theairhasonly0.13%oxygen.
Ittakesaspaceshipabouteightmonthsto24Marsfromtheearthwhenthetwoplanetsare
25toeachother.ScientistsarestillsearchingformoreinformationaboutMars.
16.A.nameB.namedC.names
17.A.ItB.IfsC.Its
18.A.wideB.widelyC.wider
19.A.thatB.whichC.what
20.A.beB.isC.looks
21.A.byB.inC.of
22.A.two-fifthB.two-fifthsC.twofifth
23.A.amongB.duringC.between
24.A.reachB.getC.arrive
25.A.close氏closerC.closest
【答案】16.B17.C18.A19.B20.C21.A22.B23.C24.A25.C
ni.情景交际(15分)
(i)从n栏中找出与i栏相对应的答语,并在答题卡的相应位置将其涂黑。(5分)
III
26_Wouldyouliketohaveapicnicwithme?A.Sorry,heisbusynow.
27_Ihaveaheadache.B.Ioftengofishing.
28_Whatdoyoudoinyoursparetime?C.Sure,rdloveto.
29_WelcometoTongren!D.Fmsorrytohearthat.
30_MayIspeaktoDoctorLi?E.Thankyou.
【答案】26.C27.D28.B29.E30.A
(2)从文后选择能填入对话空白处的适当选项,并在答题卡的相应位置将其涂黑。(10分)
Kangkang:Whyareyouunhappytoday,Tony?
Tony:31It'shardformetoteamChinese.Couldyouhelpmewithit?
Kangkang:Yes,I'dloveto.32
Tony:33
Kangkang:Don'tbeshy.Youshouldbebraveandbelieveinyourself.Ifnecessary,justtakeadeepbreathandsmile
beforespeaking.You'dbetterspeakChineseasoftenaspossible.
Tony:Really?I'Htrythatway.34
Kangkang:IoftenreadChinesestoriesandnovels.Ifsagoodwaytoreadaloudorretellapassageyourselfto
practicemore.
Tony:35ButTmstill...
Kangkang:Cheerup.Youcandoagoodjob.
Tony:OK,Fildoasyousaidandnevergiveup.
A.What'syourproblem?
B.IdidbadlyintheChineseexam.
C.First,I'malwaysafraidofspeakingChineseinpublic.
D.Thankyouforyouradvice.
E.Then,howdoyouimproveyourreading?
【答案】31.B32.A33.C34.E35.D
阅读理解(40分)
1.阅读理解(20分)
阅读i和ii两篇材料,从每小题所给的选项中选出最佳答案,并在答题卡的相应位置将其涂黑。
WelcometoOurAfter-schoolActivities
MusicLesson
FoodFestival
Wanttobecomehappyinlife?
Wanttoenjoyvariousfood?
Wanttoenjoybeautifulsongs?
Wanttojoininourfoodfestival?
Musiclessons
Deliciousfood
(guitar,violin,pianoanddrums)
(pizza,sushi,curries,firedrice)
Place:TrainingRoom304,SchoolGym
Place:SchoolDiningHall
Time:8:30a.m—10:30a.m.everySaturday
Time:11:00a.m一5:00p.m.Sunday,May16th
Cometowww.mclub.comtolearnmore!
MovieNight
PEClub
Wanttospendawonderfulevening?
Pleasecomeandjoinus!
Pleasecomeandwatchit.
Makeyourschoollifecolorful!
Place:SchoolHall
Place:SchoolPlayground
Day:Saturdayevening
Day:Saturday~Sunday
Time:6:00p.m.一11:10p.m.
Time:5:00p.m.―6:00p.m.
Movies
OutdoorActivities
(WolfWar16:00p.m.—8:10p.m.)
(basketball,football,volleyball,running...)
(Hi,Mom8:30p.m—11:10p.m)
36.Whencanyouhavethemusiclessons?
A.8:30p.m.一10:30p.m.B.6:00p.m一11:10p.m.
C.11:00a.m.—5:00p.m.D.8:30a.m.—10:30a.m.
37.WherecanyouenjoydeliciousfoodonSunday?
A.SchoolPlayground.B.SchoolDiningHall.C.SchoolGym.D.SchoolHall.
38.Youarefondofoutdooractivities,youcanchoose.
A.PEClubB.MusicLessonC.FoodFestivalD.MovieNight
39.Astudentcanjoinintheseleisureactivitiesintheschool.
A.onweekdaysB.fromMondaytoThursdayC.atweekendsD.on
Friday
40.Whatsubjectsarementionedintheafter-schoolactivities?
A.ArtandMusic.B.PEandArt.C.PEandMusic.D.PE,ArtandMusic.
【答案】36.D37.B38.A39.C40.C
DoyouknowwhichsocialappChineseyoungpeopleusealotnow?”Shortvideos,,arecertainlythemost
popular.SomeusersuseTikTokandKuaishou.Theythinkitisfuntoshareshortvideosabouttheirlives,while
othershaveotherpurposesaswell.
A12-year-oldusercalledElsahasabout2.7millionfansonTikTok.Thegirlhassharedvideosabouther
dancingstudiessincelastJuly.Oneofthevideoswonheraboutonemillionfans."Ifeelreallygladtosharehappiness
withpeoplebyshortvideosJsaidElsa.
Assomevideosareaboutthelatestnews,agroupofusersdependonthemtogetinformation.Tosomeother
users,theyhaveadifferentpurpose,"BecauseIcan'tspendmanyhourswatchingawholevideoandI'mnotavery
patientperson.Idon'tlikewaitingforaprogramtoend.Iprefertowatchshortvideosofwonderfulpartsin
program.^^saidWangZhihao.
However,someyoungChinesefeelboredwithsomeshortvideos."Killingtimeisthemainreasonformeto
watchtheshortvideos,butmanyarealmostthesame,soIthinkitisawasteoftime.What'smore,Ireallydon'tlike
thevideoswhichshowoddevendangerousthings,“saidWenNan,anothercollegestudent.
Recently,somethingelsehashappened.Somevideosaretellingpeoplewhatproductsareworthbuying.But
aftertheybuytheproducts,theymayregretsoon,Sotheyshouldthinktwice.Someshortvideosevensellbad
products,butthesesellerswon'tletyougetyourmoneyback.
41.HowdoesElsafeelwhenshehasmorethanonemillionfans?
A.SurprisedB.LuckyC.HappyD.Frightened
42.Accordingtothethirdparagraph,weknowthat.
A.usersspendmanyhourswatchingawholevideo
B.userssharevideoswithfriends
C.allthevideosareaboutthelatestnews
D.userschoosetowatchpartsofvideosbecausetheydon'thavetoomuchtime
43.Whatdoestheunderlinedword“odd"inparagraph4meaninChinese?
A.奇怪的B.非法的C.合理的D.开心的
44.Thispassageismostprobablyfrom
A.asciencebookB.atravelguideC.aculturalmagazineD.afictionnovel
45.What'sthepassagemainlyabout?
A.Tointroducehowtomakeshortvideos.
B.Toexplaintheimportanceofusingshortvideos.
C.Toshowthedifferentpuiposesofusingshortvideos.
D.Todiscussthemethodsofusingshortvideos.
【答案】41.C42.D43.A44.C45.C
II.阅读判断(10分)
根据短文内容,判断文后小题句子的正(A)或误(B),并在答题卡的相应位置将其涂黑。
Friendshipandkindnessgohandinhand.Afriendshipcanlastforeverwhenfriendsarekindtoeachother.
Peopleusuallybecomefriendsbecausetheyhavesomethingincommon.Theysharemanyofthesameinterests
andliketobetogether.Itiseasytobeafriendwheneverythingisgoinggreat,butatruefriendisonewhosticks
aroundinboththegoodtimesandthebad.Agoodfriendwillcheeryouupwhenyouarehavingabadday.Showa
friendyoucare.Asktheotherperson,44WhatcanIdotohelpyou?”andbegladtodoit.
Listentoyourfriends.Behonest.Tellthemwhatiswrongiftheyhavehurtyou.Sendacard,givethemalittle
presentorcallthemonthephonejusttosay“Ivalueourfriendship”.Helpwheneverandwhereveryoucan.Good
friendshipsarenoteasytodevelop,butafriendshipcanlastforeverifyouareloyal(忠诚的)andsincere.Ifyouare
afriendtoothers,theywillusuallybeafriendtoyou,Friendsmakelifebetter.
46.Thepassagetellsusthatfriendshipandkindnessarecloselyconnected.
47.Peoplebecomefriendsbecauseofsharingthedifferentinterestsandlikingtobetogether.
48.Atruefriendwillstickaroundwhenyouarehavingabadday.
49.Afriendshipcanlastforeverwhenyouarekind,loyalandsincere.
50.Goodfriendshipshavedevelopedeasilyandfriendsmakelifebetter.
【答案】46.A47.B
48.B49.A
50.B
卷n
听力n(io分)
听一篇短文,根据所听到的短文内从填写表格,每空一词,答案书写在答题卡卷n各小题规定的
位置。短文读两遍。
CraigKielburgerandhisorganization
What'sthenameofthe71theChildren.
Organization?
Whendidtheystarti?WhenCraigKielburgerwas72yearsold.
APsmeboykilled?Becausehefoughtforthe73ofchildren
Theyhavebuilt74700schoolsandschoolrooms.Theyhavealso
Whathavetheydone?
providedcleanwater,healthcaretoonemillionpeople75theworld.
山.任务型阅读(10分)
阅读下面短文,根据短文内容完成文后表格中小题(每空一词)答案务必另书写于答题卡卷n
各小题规定的位置。
Paper-cuttingisafamousfolkartwithalonghistoryinChina.Itwasusedduringfestivalstodecorategatesand
windows.Afterhundredsofyears'development,ithasbecomeaverypopularwayofdecoration.Themaincutting
toolsaren'tcomplex(复杂的):paperandscissorsoraknife,butcleverandskilledpaper-cuttingartists,canmake
verybeautifulartworks.Chinesepaper-cuttingworkshavethesefeatures—"Flowerinflower,themeintheme.^^This
meanssmallerpicturesandstoriesarehiddenintheworks.Youwillbeamazedbythewonderfuldesignswhenyou
lookattheirpaper-cuttingworkscarefully.ThroughChinesepaper-cutting,peopleexpresstheirbestwishes.
Paper-cutting
1.Paper-cuttingwasusedduring5jtodecorategatesandwindows.
2.Afterhundredsofyeas'52ithasbecomeaverypopularwayofdecoration.
3.Themaincuttingtoolsare53:paperandscissororaknife.
4.Thismeanssmallerpicturesandstoriesare54intheworks.
5.1fyoulookattheirpaper-cuttingworks55,you511besurprisedbythewonderfuldesigns.
【答案】51.festivals
52.development
53.simple54.hidden
55.carefully
书面表达(40分)
I.单词拼写(io分)
i.根据括号内的汉语完成句子。答案书写在答题卡卷n各小题规定的位置。
56.Thisisthe(第三)timethatIhavebeeninGuiyang.
【答案】third
57.Myparentsdon't(允许)metohangoutwithfriendsatnight.
【答案】allow
58.Thereisno(疑惑)thatwedidtherightthings
【答案】doubt
59.Sheis(自豪的)thatherdaughterhassomuchtalent.
【答案】proud
60.Lucyhaslearnedtomanagetimeby(她自己)sincelastterm.
【答案】herself
ii•根据句意和空缺处所给首字母写单词。答案书写在答题卡卷n各小题规定的位置。
61.It'simportantfbrustokeephealthyeatingh.
【答案】(h)abits
62.I'mgoingtovisittheForbiddenCitythissummerv.
【答案】(v)acation
63.Shehasrherdreamofbecomingadoctor.
【答案】(r)ealized
64.Asasayingsays,"Practicemakesp・”
【答案】(p)erfect
65.O1stisNationalDayofthePRC.
【答案】(O)ctober
n.短文改错(io分)
下列短文的划线部分是错误的,请改正,并将其正确答案书写在答题卡卷u各小题规定的位置。
LiBai'swritingshaveinfluencedthelivesofmillions
HewasanfamouscharacterinChineseliterature.66
HeisconsideringtobeoneofthebestromanticpoetsinChina.67
Hewasbornontheyear701A.D.HelivedduringtheTangdynasty.68
Inherlifetime,hewrotealotofpoetry.69
Mostofhispoemarefullofimaginationandcreactivity.70
Morethan900ofhispoemswerestillreadtoday.71
StillNightThoughtswaswrittenforhim.72
Itiseasytounderstandandverymoved.73
Itexpressesthefeelingsofthemanwhichisfarawayfromhis74
hometown.MostChinesechildrencanreciteitverygood.75
【答案】66.a67.considered
68.in69,his
70.poems71.are
72.by73.moving
74.who75.well
m.写作(20分)
76.百年建党之际,铜仁市各个学校都在开展爱国爱党主题教育活动。假设你是张华,将参加你们学校
举行的英语演讲比赛庆祝党的生日,请根据以下内容提示及要求,以“Howtobearesponsiblestudent”为题
写一篇演讲稿,谈谈如何做一个有作为、有责任感的学生。
要求:
1.80词左右,开头结尾已给,不计入总词数;
2.句子通顺,语意连贯,符合逻辑;
3.包含所有提示内容,但不要逐句翻译,可适当发挥;
4.书写正确规范,卷面整洁。
提示:
1.爱国爱党,有理想,诚实守信,善良感恩;
2.努力学习,树立节约意识,不要浪费(如:食物,纸张,水电等);
3.保持身心健康,多参加课外活动和体育锻炼;
4.热爱自然,保护环境,不乱扔垃圾,爱护动植物。
参考词汇keepone'spromise,bethankfultosb,setthemindofsaving
Boysandgirls,
JulylslwillbeourParty's100thbirthday.Asteenagers,wearethefutureofourmotherland.Wehaveasenseof
dutytomakeourcountrymoreandmorepowerful.Whatshouldwedotobearesponsible
student?
Thanksfbrlistening!
【答案】例文:
Boysandgirls,
July1"willbeourParty's1OOthbirthday.Asteenagers,wearethefutureofourmotherland.Wehaveasenseof
dutytomakeourcountrymoreandmorepowerful.Whatshouldwedotobearesponsiblestudent?
Firstofall,wemustloveourcountryandhome.Weshouldhaveourowndreams.Andweshouldalsokeepour
promiseandbethankfultothepeoplewhohelpus.Secondly,weshouldworkhardandbecreativeinstudy.We
shouldsetthemindofsavingandnotwastefood,paper,waterandsoon.Next,
exercisecanmakeusstrongandconfident.Weshoulddomoreexerciseandkeephealthy.Afterthat,weshouldlove
nature.Weshoulddoourbesttoprotecttheenvironment.Weshouldn'tthrowlittereverywhere,andweshouldlove
animalsandplants.Ifwepayattentiontothenature,wewillfindthebeautyeverywhere.
Allinall,ifweshowourloveinourdailylife,wecanbeanythingwewant.
Thanksfbrlistening!
铜仁市2021年初中毕业生学业(升学)统一考试
理科综合试题(化学部分)
注意事项:
1.答题前,考生务必将自己的姓名'准考证号填写在答题卡上,并将准考证号条形码贴在答
题卡指定位置。
2.答题时,选择题答案,用2B铅笔将答题卡上对应题目的答案标号涂黑;非选择题答案,用
0.5亳米黑色墨水签字笔,直接写在答题卡上对应的答题区域内。答案答在试题卷上无效。
3.考生必须保持答题卡的整洁。考试结束后,将本试卷和答题卡一并交回。
一、选择题(本题共9小题,每小题2分,共18分。每小题只有一个选项符合题意,请将正
确选项的序号涂黑)
1.物理变化、化学变化是生活中的常见现象,下列属于化学变化的是
A.气球爆炸B.菜刀生锈C.水蒸发D.玻璃破碎
2.生活中的下列物质前者属于纯净物,后者属于单质的是
A.水泥、镁B,食盐、干冰C,硫酸亚铁、金刚石D.空气、”
3.规范的实验操作是完成实验的基本保证,下列实验操作正确的是
4.化学与生活息息相关,下列有关叙述错误的是
A.食醋可除去水壶底部的水垢
B.墙内开花墙外香,说明分子是不断运动的
C.新冠病毒疫苗在运输和保存过程中都要冷藏,以防蛋白质变性
D.合成材料应用和发展丰富了人类的生活,纯羊毛衫是用有机合成材料制成的
5.下列有关说法正确的是
A.化学反应的实质是分子的重新组合
B.人体所需的微量元素只能用药物补充
C.人体胃液正常的pH在0.97.5,如果出现异常,就会导致疾病
D.自来水厂在净化水过起中,向水中加入明帆能除去水中的异味和色素
6.下列有关化学反应的相关说法正确的是
A.铁与稀硫酸反应的化学方程式为:2Fe+3H2sO”=Fez(S04)3+3H2T
占燃
B.铁在氧气中燃烧化学方程式为:3Fe+202^Fe304
C.中和反应在生活生产中应用广泛,有盐和水生成的反应一定是中和反应
D.燃烧一定是可燃物与氧气发生的一种发光发热的剧烈的氧化反应
7.现有几种生活中常见的物质:①葡萄糖;②甲烷;③一氧化碳;④酚醛塑料;⑤白棉花;⑥氯化钠;⑦
淀粉;⑧氧气,其中全部属于无机物的是
A.①③⑧B.②④⑧C.③⑥⑧D.③⑤⑦
8.下列实验方案设计不合理的是
选项实验目的实验设计
A除去FeCL溶液中少量的CuCL加入过量的铁粉,过滤
B除去CuO中少量的碳粉加水溶解,过滤
分别取少量固体于试管中,加水溶解,
C鉴别NaOH固体和岫忸固体
触摸试管底部
分别取少试样于试管中,同试管中滴
D鉴别KOH溶液和CaCL溶液
加的酚配溶液
A.AB.BC.CD.D
9.下图是KC1、KN。?两种固体物质的溶解度曲线,下列说法正确的是
溶解度g
A.KNO3的溶解度大于KCI的溶解度
B.t「C时KN03的溶解度是70
C.在t「C时,100gKN03饱和溶液和100gKCI饱和溶液,KCI饱和溶液中的溶剂质量大于KNOs饱和溶液中的
溶剂质量
D.在t/C时,欲使KNO3、KCI两种物质的溶液分别降到t℃时,析出晶体的质量KCI一定小于KNOs
二、填空题(共4个小题,每空1分,共17分。请将答案填写在答题卡相应位置上、)
10.化学在生产、生活中应用广泛。现有下列物质:
①硅②碳酸钙③木炭④黄金⑤生石灰⑥不锈钢
请选择合适的物质填空(填序号):
(1)可用作食品干燥剂的是;
(2)可用于除去新轿车里的异味的是;
(3)主要用于制备医疗器械、炊具的是;
(4)地壳中元素含量排第二,且大量用于生产计算机芯片的是。
11.根据下列原子结构示意图及原子在周期表中的相关信息,回答下列问题:
(1)请你画出氮原子结构示意图______;
(2)过氧化氢(HA)能杀菌消毒,HQ,中氧元素的化合价是;
(3)铝的应用很广泛,在高温下,铝与三氧化二铭反应可置换出金属铭(Cr),写出该反应的化学方程式
(4)氨气是一种重要的化工原料,如下图是氮气和氢气反应生成氨气的微观示意图:
■・Q)催化剂r
।氮
cQ高温图压
coO氨
①请写出此反应的化学方程式
②氨气分子中氮原子与氢原子的质量比为
12.根据要求回答下列问题:
(1)生活中区别硬水与软水常用;
(2)电解水的实验中,H?与02的体积比约为;
(3)酒精(CH0H)在空气中完全燃烧的化学方程式为;
(4)现有+2N。/="+2Na8r、Ck+2NaBr=Bi'+ZNaCl两个反应,其反应规律和金属与盐溶
液的置换反应类似,则BQ、CL、L三种非金属活动性顺序由大到小为o
13.A~G是初中化学常见物质,下图所示是它们之间转化关系。其中:A为红棕色固体,F是黄色溶液,B为
单质,A与B或C反应都能生成D和E,B或C与单质甲反应都能生成E,部分反应物、生成物、反应条
件省略。请回答下列问题:
+单质甲
|f
+单质甲
(1)实验室检验E的方法为
(2)0与甲反应的现象为;
(3)写出A与G反应的化学方程式;
(4)写出A与C反应的化学方程式。
三,简答题(共2个小题,每小题3分,共6分。请将答案填写在答题卡相应位置上、)
14.国家出台了“乡村振兴计划”,让农民富起来。
(1)农作物生长需要肥料,现有:A.Ca3(POD2B.K2S040.尿素[CO(NH2)JD.NH4HCO3E.KNO3,
其中属于氮肥且含氮量最高的是(填字母):不能与碱性物质混合使用的是(填字母)。
(2)在发展乡村产业时,要践行绿水青山就是金山银山的理念,请你提出一条合理的建议:o
15.北京3号卫星于2021年6月11日发射成功,该卫星主要用于资源调查和环境监测。实验室用氯酸
钾和MnO2(MnO,作催化剂)反应制取氧气,为了不造成资源浪费和环境污染,对完全反应后的固体进行回收,
请写出具体的实验操作步骤。
四'实验与探究题(共2个小题,每空1分,共13分。请将答案填写在答题卡相应置上、)
16.根据下列图示实验装置,回答有关问题。
(2)实验室制取。2的反应原理为(用化学方程式表示),你选择的发生装置______(填字母)。
(3)实验室制取CO2的反应原理(用化学方程式表示),制得的W中通常含有少量的HCI和水蒸气,
若要制取干燥纯净的C0”正确的装置链接顺序是(填字母),饱和NaHCOs溶液的作用是(用
化学方程式表示)。
(4)将CO2通入紫色石蕊溶液中,溶液变红原因
17.金属、酸、碱、盐在工农业生产中应用广泛,某化学兴趣小组进行相关实验。
(1)探究不同条件下金属铜与硫酸反应的情况如下:
组别①②③④
H2SO4质量分数20%98%20%98%
反应条件常温常温加热加热
反应现象无现象无现象无现象溶液变蓝,有气泡产生
A
上表④发生反应方程式为:Cu+2HzS0,(浓)=CuS04+2H20+Xt«X的化学式为;硫酸铜溶液中的阴离
子是(写离子符号),从上述对比实验中,你对铜与硫酸反应有什么新的认识o
(2)实验室欲配制40g质量分数为5%的NaCOs溶液,应选择(10mL、50mL、100mL)的量筒来量取水
的体积。
(3)现有下列BaCL、K2cO3、NaOH三种溶液,请你选择一种常见试剂鉴别这三种溶液,写出相关化学方程
式、。
五、计算题(本题包括1个小题,共6分。请将答案填写在答题卡相应位置上、)
18.绿色环保是未来工业发展的方向,我市镒矿资源丰
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