深圳龙岗区龙岭初级中学2022-2023学年七年级下学期期中英语试题【带答案】

2022—2023学年第二学期期中质量调研试题七年级英语(考试时间：70min满分：90分命题人：蔺兰兰、廖芝睫)I.语法选择。(本大题共10题，每题1分，共10分)请通读下面短文，掌握其大意，根据语法和上下文连贯的要求，从每小题三个选项中选出一个最佳的答案，并将答题卡对应题目所选的选项涂黑。Therearefortystudentsinourclass.OurEnglishteacher____1____MissLi.Sheteachesusverywell.MissLiasksus____2____sportsafterclass.Shesaysit’sgoodforour____3____.TherearealsotwoAmericanboys.____4____areJackandMike.Theyareourgood____5____.TheylikewatchingTV,____6____theydon’tlikeplayingbasketball.Theyoftengotoschool____7____bike.AndIoftengotoschoolonfoot.ThereisoneEnglishgirlinourclass.HernameisLucy,Shelikesplaying____8____basketballandshealsolikesswimming.Sheusuallydoesherhomeworkintheevening.Sheoften____9____TVonSaturdayafternoon.ShelikesChinesefood.Sheoftencomestomyhome.Andmymother____10____cooksdeliciousfoodforher.1.A.are B.am C.is2.A.does B.doing C.todo3.A.healthy B.health C.healthily4.A.Their B.Them C.They5.A.friend B.friends C.friend’s6.A.but B.and C.so7.A.on B.by C.in8.A.a B.an C./9.A.watching B.watched C.watches10.A.never B.always C.hardly【答案】1.C2.C3.B4.C5.B6.A7.B8.C9.C10.B【解析】【导语】本文介绍了作者的老师以及朋友。【1题详解】句意：我们英语老师是李老师。are主语是复数概念/第二人称；am主语是I；is主语是单数/不可数名词。主语“OurEnglishteacher”是单数，be动词用is。故选C。【2题详解】句意：李老师要求我们课后做运动。does动词三单；doing动名词/现在分词；todo动词不定式。asksbtodosth表示“要求某人做某事”，固定短语。故选C。【3题详解】句意：她说这对我们的健康有好处。healthy健康的；health健康；healthily健康地。形容词性物主代词our后跟名词。故选B。【4题详解】句意：他们杰克和迈克。Their他们的，形容词性物主代词；Them他们，宾格；They他们，主格。空处在句中作主语，需用代词主格。故选C。【5题详解】句意：他们是我们的好朋友。friend朋友；friends朋友，复数；friend’s朋友的。根据“Theyare...”可知空处需用名词复数形式。故选B。【6题详解】句意：他们喜欢看电视，但他们不喜欢打篮球。but但是；and和；so因此。前后句之间是转折关系。故选A。【7题详解】句意：他们经常骑自行车去上学。on在……上；by借助；in在……里面。bybike表示“骑自行车”，固定短语。故选B。【8题详解】句意：她的名字叫露西，她喜欢打篮球，她也喜欢游泳。a不定冠词，表泛指，用在辅音音素开头的单词前；an不定冠词，表泛指，用在元音音素开头的单词前；/不填，零冠词。球类basketball前不用冠词，playbasketball“打篮球”。故选C。【9题详解】句意：她经常在星期六下午看电视。watching动名词/现在分词；watched过去式/过去分词；watches动词三单。主语She是第三人称，动词需用三单形式。故选C。【10题详解】句意：我妈妈总是为她做美味的食物。never从不；always总是；hardly几乎不。根据“ShelikesChinesefood.Sheoftencomestomyhome.Andmymother...cooksdeliciousfoodforher.”可知作者妈妈总是做美味的食物。故选B。Ⅱ.完形填空(本大题有10小题，每题1分，共10分)Johnisthirteennow.Hebeganto____11____inamiddleschooltwoyearsago.Hisfamilyisinasmallvillageandit’snearlyfivekilometresfromtheschool.Hehastogetup____12____inthemorning.Afteraquickbreakfasthehastoruntoschooltogetthereontime.Hisfatherhopestoborrowsome____13____tobuyabikeforhim,butheknowshismotherisalwaysillandhisfather____14____muchmoneyonhermedicine.Hedoesn’tagreewithhimandkeepsrunningthereeveryday.Nowhe’svery____15____andneverlateforclassandhisteachersoftenpraise（称赞）him.LastweektherewasasportsmeetinginJohn’sschool.Johnran____16____thananyotherboyandwontheboy’s1,500metresand3,000metres.He____17____twogoldmedals（奖牌）andthewholeschoolknewhim.His____18____andteachersgavecongratulations（祝贺）tohimandhewashappy.Hetoldhisgrandmaaboutthegood____19____assoonashegothome.“Ibroketwoschoolrecords（记录）today,Granny,”calledouttheboy.Tohissurprise,theoldwomanwasn’t____20____.Shethoughtforawhileandsaid,“Iamsorrytohearthat.Wehavenomoneytopayforthem,youknow!”11.A.study B.work C.teach D.play12.A.late B.hard C.early D.suddenly13.A.support B.money C.food D.water14.A.loses B.leaves C.keeps D.spends15.A.excited B.tired C.strong D.thin16.A.slower B.lower C.faster D.higher17.A.bought B.got C.returned D.made18.A.classmates B.parents C.cousins D.grandparents19.A.joke B.dream C.idea D.news20.A.sad B.happy C.patient D.funny【答案】11.A12.C13.B14.D15.C16.C17.B18.A19.D20.B【解析】【导语】本文主要讲述了家境贫困的John每天跑步去上学，在学校运动会上获得了两枚金牌，回家把这个好消息分享给奶奶，奶奶误以为这两枚金牌要付钱，所以并没有感到开心。【11题详解】句意：他两年前开始在一所中学学习。study学习；work工作；teach教；play玩。根据“Johnisthirteennow”及“inamiddleschooltwoyearsago”可知，在中学学习，故选A。【12题详解】句意：他早上必须早起。late迟；hard努力；early早；suddenly突然。根据“Hisfamilyisinasmallvillageandit’snearlyfivekilometresfromtheschool”及“Afteraquickbreakfasthehastoruntoschooltogetthereontime”可知，早上早起才能不迟到，故选C。【13题详解】句意：他的父亲希望借些钱给他买一辆自行车，但他知道他的母亲总是生病，他的父亲花了很多钱给她的药。support支持；money金钱；food食物；water水。根据“borrowsome…tobuyabike”可知，借钱买自行车，故选B。【14题详解】句意：他的父亲希望借些钱给他买一辆自行车，但他知道他的母亲总是生病，他的父亲花了很多钱给她的药。loses失去；leaves离开；keeps保持；spends花费。根据“muchmoneyonhermedicine”可知，此处是spend+金钱+onsth的搭配，表示“在某事上花费金钱”，故选D。【15题详解】句意：现在他很强壮，上课从不迟到，他的老师经常表扬他。excited兴奋的；tired疲惫的；strong强壮的；thin瘦弱的。根据“keepsrunningthereeveryday”可知，每天坚持跑步去上学，所以现在很强壮，故选C。【16题详解】句意：约翰跑得比其他任何男孩都快，赢得了男子1500米和3000米的冠军。slower更慢的；lower更低的；faster更快；higher更高。根据“wontheboy’s1,500metresand3,000metres”可知，比其他男孩都快所以赢得了冠军，故选C。【17题详解】句意：他得了两块金牌，整个学校都认识他。bought买；got得到；returned返回；made制造。根据“twogoldmedals”可知，得到了两枚金牌，故选B。【18题详解】句意：同学和老师都向他表示祝贺，他很高兴。classmates同学；parents家长；cousins表亲；grandparents祖父母。根据“andteachersgavecongratulations（祝贺）tohim”可知，此处应是指学校里的相关人员表示祝贺，此空填classmates符合语境，故选A。【19题详解】句意：他一到家就把这个好消息告诉了奶奶。joke玩笑；dream梦想；idea想法；news消息。根据“twogoldmeda”可知，把得了两枚金牌的消息告诉奶奶，故选D。【20题详解】句意：让他惊讶的是，这位老人并不开心。sad难过的；happy开心的；patient耐心的；funny搞笑的。根据“Iamsorrytohearthat.Wehavenomoneytopayforthem,youknow”可知，奶奶以为这两枚金牌要付钱，所以并不开心，故选B。Ⅲ.阅读理解(本大题共15题，每题2分，共30分)请阅读A、B两篇短文，从每小题所给的四个选项中选出能回答所提问题或完成所给句子的最佳答案，并将答题卡上对应题目所选的选项涂黑。APeoplesometimesliketoreadstoriesofdogsverymuch.Theythinkthatdogsaremuchclevererthancats,sheep,cowsorotheranimalsintheirhomes.Oneofmyclosefriends,Bob,hasaverylargepolicedognamedJack.EverySundayafternoon,BobandJackhaveawalkintheparknearby.Jacklikesthesewalksverymuch.OneSundayafternoon,Ipaidavisittomyfriend.IstayedthereforalongtimeandmyfriendandIhadmuchmoretalkwitheachotherthaneverbefore.Soonitwastimeforthemtotakeawalkinthepark.Weforgotthat.Jackbecameworriedaboutit.Hewalkedaroundtheroomseveraltimesandthensatdowninfrontofmeandlookedatme.ButIstillpaidnoattention(注意)tohimandwentontalkingwithmyfriend.Atlast,Jackcouldnotwaitanylonger.Hewentoutoftheroomandcamebackafewminuteslater.Hesatdowninfrontofmeagain.Butthistime,heheldmyhatinhismouth,Suddenly,IunderstoodwhatJackmeantandsodidmyfriend.21.Howmanypeoplearethereinthisstory?A.One. B.Two. C.Three. D.Four.22.WhatdoweknowaboutJack?A.Heisaclosefriendofthewriter.B.HeenjoyslongwalksintheparkeverySundayafternoon.C.Hehasmanyclosefriends.D.Heenjoyssleepingintherom.23.WhywasJackworried?A.Becausehewantedtoeatsomething.B.BecauseitwasSundayafternoonagain.C.Becausehewasnotfeelingwell.D.Becausehewantedhismastertotakehimforawalk.24.WhatdidJacktakethewriter’shatinhismouthtoshow?A.Thewritershouldleavethehouseatonce.B.Helikedthehatverymuch.C.Hewashungryandhetriedtoeatit.D.Hewantedtohavearest.25.WhichofthefollowingisTRUE?A.WhenJackandthewriterweretalking,thewriter’sfrienddidn’tpayanyattentiontothem.B.Whenthewriterwastalkingtohisfriend,Jackdidn’tpayanyattentiontothem.C.Whenthewriterandhisfriendweretalking,theydidn’tpayanyattentiontoJack.D.Whenthewriter’sfriendwastalkingtoJack,thewriterpaidnoattentiontothem.【答案】21.B22.B23.D24.A25.C【解析】【导语】本文主要是一篇记叙文，讲述了我朋友Bob有一条警犬叫Jack，每个礼拜天下午，Bob都会带Jack去公园散步。有一天，我和Bob聊天忘记带Jack去散步了，Jack居然嘴巴叼着我的帽子，坐到我的面前，提示我们要出去散步。【21题详解】细节理解题。根据“Oneofmyclosefriends,Bob,hasaverylargepolicedognamedJack....OneSundayafternoon,Ipaidavisittomyfriend.”可知，我去拜访朋友Bob，他家有一只警犬Jack，一共是2个人。故选B。【22题详解】细节理解题。根据“EverySundayafternoon,BobandJackhaveawalkintheparknearby.Jacklikesthesewalksverymuch.”可知，每个星期天的下午，Bob和Jack在附近的公园里散步，Jack非常喜欢散步。故选B。【23题详解】细节理解题。根据“Soonitwastimeforthemtotakeawalkinthepark.Weforgotthat.Jackbecameworriedaboutit.”可知，很快就到他们去公园散步的时间了，我们忘记了，所以Jack很担心是因为想主人带它去散步。故选D。【24题详解】推理判断题。根据“Soonitwastimeforthemtotakeawalkinthepark.Weforgotthat.Jackbecameworriedaboutit.”可知，很快就到他们去公园散步的时间了，我们忘记了。所以Jack叼着我的帽子，是提醒我要离开，他们要去散步了。故选A。【25题详解】推理判断题。根据“ButIstillpaidnoattentiontohimandwentontalkingwithmyfriend.”可知，我和朋友Bob聊天，没有注意Jack。故选C。BThecapitaloftheUKisoneofmyfavouritecitiesintheworld.IstartedmyLondontravelwithavisittotheTowerofLondon.ItishometotheEnglishCrownJewels.Iarrivedwhenthetoweropened.Itwasabout9a.m.TherewasalottoseeandIspentthewholemorningthere.Comingoutofthetower,IfoundmyselfrightnexttotheTowerBridge.IhadlearnedaboutitshistoryandhowpeoplebuiltitbeforeIcametoLondon.Ialsolearnedhowtheliftingmechanism(机械装置)workedtoletshipsthroughbeforeIvisitedit.IexperiencedtheGlassFloor,ahigh-levelwalkwayofthebridge.Itwassoexciting!WhenIwasstandingthere,IcouldlookstraightdownattheThames,trafficandpedestrians(行人)overthebridge!Afterwards,IwentontheTube—theLondonSubway—totheHousesofParliament.ThisiswherethepoliticsinEnglandtakesplace.Beforegoinginsideforavisit,Itookalotofphotosfromtheoutsideofthisbeautifulbuilding.TomorrowIamgoingtogetamapofLondonandhavefunwalkingaroundthecity.26.WhendidthewritergettotheTowerofLondon?A.Atabout9o’clockintheafternoon.B.BeforetheTowerofLondonopened.C.Atabout9o’clockinthemorning.D.AftertheTowerofLondonclosed27.Whatcanweinfer(推断)fromParagraph2?A.TowerBridgeisveryclosetotheTowerofLondon.B.ThewriterknewlittleaboutTowerBridgebeforevisitingitC.Thewriterisafraidofthetallbuildings.D.ItisnotexcitingforthewritertovisittheGlassFloor.28.ThewritergottotheHousesofParliaments________.A.bytaxi B.onfoot C.bybus D.bysubway29.Whereisthepassageprobablyfrom?A.Atravelguide. B.Afashionmagazine. C.Aschoolwebsite. D.Apersonalblog.30.Whichisthebesttitleforthepassage?A.MyFirstDayinLondon B.ILovetheUKC.HowtoGettoLondon? D.DoYouKnowLondon?【答案】26.C27.A28.D29.D30.A【解析】【导语】本文是一篇记叙文，作者向读者介绍了自己在伦敦旅行的经历。【26题详解】细节理解题。根据“Iarrivedwhenthetoweropened.Itwasabout9a.m.”可知，作者去到伦敦塔时是早上9点左右。故选C。【27题详解】推理判断题。根据“Comingoutofthetower,IfoundmyselfrightnexttotheTowerBridge.”可知，伦敦塔桥离伦敦塔很近，故选A。【28题详解】细节理解题。根据“Afterwards,IwentontheTube—theLondonSubway—totheHousesofParliament.”可知，作者是乘坐地铁去的议会大厦。故选D。【29题详解】推理判断题。通读全文可知，本文是一篇记叙文，作者向读者介绍了自己在伦敦旅行的经历。由此可推断这是一篇个人博客文章。故选D。【30题详解】最佳标题题。根据“ThecapitaloftheUKisoneofmyfavouritecitiesintheworld.IstartedmyLondontravelwithavisittotheTowerofLondon...”以及整个文章的理解可知，文章主要是介绍自己在伦敦的旅行经历，故选A。C配对阅读。左栏是五个人的情况描述，右栏是七条广告信息。请将左右两栏进行配对，其中右栏有两项是多余的。____31____Jackwillhaveapartytomorrowandheneedssomefreshvegetablesforit.____32____JanewillvisitherfriendAlicianextweek.Alicialikesmusicverymuch.SoshewillbuyhersomeCDs.____33____JudyisTina’sfriend.HerbirthdayisonSunday.Shelovesskirtsverymuch.SoTinaplanstobuyaniceskirtforher.____34____Joyoftendrinksacupofmilkforbreakfast.Thereislittlemilkinthefridge.Heneedstobuysomemilk.____35____Jackalwaysplaystabletennisafterschool.Hewantstobuysomenewtabletennisballsandbats.A.WesellourT-shirtsandskirtsatgoodprices.Theyarereallyniceforgirls.Comeandbuyyourfavouritenow!B.Themilkandbreadaregreat.Someareonsaleathalfprice.Comeandbuythemnow.C.Doyouneedcomputers?Ourcomputersarefrom2888to4888yuan.Comeandhavealook!D.WehavesomenewbooksandCDs.Youcangeta15%discount(折扣)now.E.Thefruitandvegetablesareveryfresh.Wehaveapplesforonly5.8yuanakilo.Andtomatoesare2.8yuanakilo.F.Thenewtermiscoming.Comeandbuyyournewschoolbagsandpencilboxesathalfprice.G.Doyouneedthingsforballgames?Wehavealltheniceballsandbatsforyouhere.【答案】31.E32.D33.A34.B35.G【解析】【导语】本文是对5个人的情况描述和广告信息。【31题详解】根据“Jackwillhaveapartytomorrowandheneedssomefreshvegetablesforit.”可知，杰克明天要举行一个聚会，他需要一些新鲜蔬菜。选项E“水果和蔬菜很新鲜。我们的苹果每公斤只卖5.8元。西红柿是2.8元一公斤。”与之对应。故选E。【32题详解】根据“JanewillvisitherfriendAlicianextweek.Alicialikesmusicverymuch.SoshewillbuyhersomeCDs.”可知，简下周要去拜访她的朋友艾丽西亚。艾丽西娅非常喜欢音乐。所以她会给她买一些唱片。选项D“我们有一些新书和唱片。你现在可以打八五折。”与之对应。故选D。【33题详解】根据“JudyisTina’sfriend.HerbirthdayisonSunday.Shelovesskirtsverymuch.SoTinaplanstobuyaniceskirtforher.”可知，朱迪是蒂娜的朋友。她的生日在星期天。她非常喜欢裙子。所以蒂娜打算给她买一条漂亮的裙子。选项A“我们以优惠的价格出售t恤和裙子。它们真的很适合女孩子。快来买你最喜欢的吧！”与之对应。故选A。【34题详解】根据“Joyoftendrinksacupofmilkforbreakfast.Thereislittlemilkinthefridge.Heneedstobuysomemilk.”可知，乔伊早餐经常喝一杯牛奶。冰箱里几乎没有牛奶了。他需要买一些牛奶。选项B“牛奶和面包太棒了。有些是半价出售。现在就来买吧。”与之对应。故选B。【35题详解】根据“Jackalwaysplaystabletennisafterschool.Hewantstobuysomenewtabletennisballsandbats.”可知，杰克放学后总是打乒乓球。他想买一些新的乒乓球和球拍。选项G“你需要球类运动的东西吗？我们为你准备了所有漂亮的球和球拍。”与之对应。故选G。请阅读下面短文，在所给的每个空格中填入一个形式正确、意义相符的单词，并将答案写在答题卡对应题目的答题位置上。Thereareallkindsofanimalsonourplanet.Somearecute,butsomearenot.Somearesmall,but____36____arebig.Herearefourofthefunniestandfriendliest____37____.Butremember,althoughtheylooknice,itdoesn’tmeantheyarealwaysfriendly.Notalldogsaresocute,butmostofthemareprettyfriendly.____38____youcomenearanunfamiliar(不熟悉的)dog,remembertoholdoutyourhand,sohecansmell____39____andseethatyoudon’tmeantoharmhim.Cowslovetoeatgrass,andtheyeatquitealot!Youneedn’tbeafraid____40____thiskindofquietfarmanimals.Butdon’trunata____41____inafieldortouchone,unlessyouaretoldbyanadultit’sokay.Horsesarebigandbeautifulanimals,buttheycanbefrightenedeasily.Ahorsemightjumpupifhe____42____aloudnoise,orkickhislegsifyoucomeneartoosuddenly.Allhorses____43____different.Chimpanzees(大猩猩)makefunnyfacesand____44____onarealshowatthezoo,butbelieveitornot,theycanbeverydangerous.Andtheyarestrong,toomuchstrongerthanhumans,soyoushould____45____makeachimpangry!【答案】36.some37.animals38.When39.you

40.of41.cow42.hears43.are44.put45.never【解析】【导语】本文主要介绍了狗，牛，马和大猩猩这四种动物。【36题详解】句意：有些很小，但有些很大。根据“Somearecute,butsomearenot”及“Somearesmall,but…arebig”可知，一些是小的，一些是大的，故填some。【37题详解】句意：以下是4种最有趣、最友好的动物。根据“Thereareallkindsofanimalsonourplanet”可知，举例了其中四种动物，animal“动物”，根据“fourof”可知，此空应填复数形式，故填animals。【38题详解】句意：当你走近一只不熟悉的狗时，记得伸出你的手，这样它就能闻到你的气味，知道你不是有意要伤害它。根据“youcomenearanunfamiliar(不熟悉的)dog,remembertoholdoutyourhand”可知，当你走进一只不熟悉的狗时，要记得伸出手，when引导时间状语从句，故填When。【39题详解】句意：当你走近一只不熟悉的狗时，记得伸出你的手，这样它就能闻到你的气味，知道你不是有意要伤害它。根据“remembertoholdoutyourhand,sohecansmell”可知，伸出手，可以闻到你的气味，smell后接宾格you，故填you。【40题详解】句意：你不必害怕这种安静的家畜。beafraidof“害怕”，形容词短语，故填of。【41题详解】句意：但不要在田野里冲着牛跑或摸牛，除非大人告诉你没关系。根据“Cowslovetoeatgrass,andtheyeatquitealot”可知，此处指不要冲着牛跑，根据a可知，此空应填单数形式，故填cow。【42题详解】句意：马听到一声巨响可能会跳起来，如果你太突然靠近，它可能会踢腿。根据“Ahorsemightjumpupifhe…aloudnoise”可知，听到巨大的响声会跳起来，hear“听见”，if引导的条件状语从句，从句用一般现在时，主语he是第三人称单数形式，动词用三单，故填hears。【43题详解】句意：所有的马都是不同的。此句是主系表结构，陈述事实用一般现在时，主语是复数形式，be动词用are，故填are。【44题详解】句意：黑猩猩在动物园里做着滑稽鬼脸，上演着一场真正的表演，但信不信由你，它们可能非常危险。根据“onarealshow”可知，上演一场表演，puton“上演”，此空与make构成并列关系，所以此空应填动词原形，故填put。【45题详解】句意：它们很强壮，比人类强壮得多，所以你永远不要激怒黑猩猩！根据“theycanbeverydangerous”及“soyoushould…makeachimpangry”可知，永远不要刺激大猩猩，never“从不”，故填never。Ⅴ.读写综合(本大题分为A、B两部分，共25分)回答问题请阅读下面短文，根据所提供的信息，回答5个问题，要求所写答案语法正确，语义完整切题。Hi,everyone!I’mTangLufromClass9,Grade7.IcomefromChina.TodayisWorldAnimalDay,andwe’retalkingaboutouropinionsofdifferentanimals.Ithinkcamelsarethemostunusualanimals.Theyhardlyneedtodrinkwater.Theyliveinthedeserts.That’sfunny,don’tyouthink?Zebrasarethemostbeautifulanimals.Theyareblackandwhite.Theylooknice.Penguinsaretheloveliestanimalsintheworld.Theyarefatbuttheycanswimveryfastintheocean.Dolphinsareveryintelligent.Theyseemtobeabletothink,understandandlearnthingsquickly.Elephantshavethebestmemories(记忆力)andtheycanrememberthingsverywell.Lionsarethemostdangerousanimals.Theyarestrongandalwayscatchotheranimalsforfood.Micearetheugliest.Theyareharmful.Nobodylikesthem.AndIlikecowsbecausetheycanprovideuswithmilkandbeef.Whatdoyouthink?Whatareyourfavouriteanimalsandwhy?46.Whatfestivalisittoday?__________________________________________________________________________________________________47.Wheredocamelslive?__________________________________________________________________________________________________48.Whatanimalshavethebestmemories?__________________________________________________________________________________________________49.WhatdoesTangLuthinkoflions?__________________________________________________________________________________________________50.WhydoesTangLulikecows?__________________________________________________________________________________________________51.书面表达请根据要求完成短文写作，并将作文写在答题卡对应题目的答题位置上。假设你是一名深圳的七年级学生李华，你的学校将举行环保周活动，请根据以下要点提示，完成一篇保护树木的演讲稿，号召大家一起行动起来，保护树木。树木对人类的重要性1.提供水果、木材2.清洁空气如何保护树木1.停止砍伐2.……（自行补充两点）号召大家保护树木……（自行补充）要求：l.必须包含以上提示内容，可适当发挥；2.条理清楚、行文连贯、标点正确、书面整洁；3.不得出现真实的姓名和校名等信息；4.不少于60词，开头已给出，不计入总词数。参考词汇：oneoffchopsticks一次性筷子Dearstudents,IamLiHua.It’smyhonourtospeakheretoday.Mytopicisprotectingtrees.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________