Unit7第5課時(shí)SectionB(2a-2e)(分層作業(yè))(原卷版+解析)

Unit7What’sthehighestmountainintheworld?SectionB2a-2e分層練習(xí)基礎(chǔ)達(dá)標(biāo)一、用所給單詞的正確形式填空.1．Dickdecidedtolose__________（weigh）byeatinglessanddoingmoreexercise.2．Jacksonhasdifficultyin__________（solve）theprobleminsuchashorttime.3．Chinaisalot__________（crowded）thanCanada.4．__________（teach）childrenisonewaytohelp__________（save）pandas.5．Wildanimalswhicharenowindangerneedour__________（protect）.6．Ithinkoneofthe__________（easy）waystomakeyoustrongistoexercisemore.7．ThomasAlvaEdisonisoneofthegreatest__________（invent）intheworld.8．TuYouyouisoneoftheNobelPrize__________（win）in2015.We’reproudofher.9．Thebabywas________(wake)whenIcamein.10．Hisfatherlookedveryoldbecauseofhis________(ill).二、完成句子，每空一詞.11．這頭大象比這只大熊貓重很多倍。Thiselephant________________________________________thanthispanda.12．科學(xué)家們說現(xiàn)在有不到2,000只大熊貓生活在森林里。Scientistssaytherearenow____________________2,000pandas__________intheforests.13．那些幼崽經(jīng)常死于疾病，不會活太長時(shí)間。Thebabiesoften______________________________anddonotliveverylong.14．大熊貓?jiān)絹碓缴俚牧硪粋€(gè)原因就是人們砍伐樹木。Anotherreasonfor_____________________pandasisthatpeopleare_____________thetrees.15．為了保護(hù)野生大熊貓，政府正在建立自然公園。Inordertoprotectpandasinthewild,thegovernmentis__________________natureparks.16．很多野生動物處于極度危險(xiǎn)中。Manywildanimalsare______________________________.17．上個(gè)月他的祖父死于一場交通事故。Lastmonthhisgrandfather________________atrafficaccident.18．我們大約在操場上待了兩個(gè)小時(shí)。Westayedfortwohours________________ontheplayground.19．這些禮物對我來說很特殊。Thesepresents________________________________me.20．因?yàn)樗谙胧虑椋瑳]有看路，所以他撞了墻。Ashewasthinkingandnotlooking,he________________awall.能力提升一、單項(xiàng)選擇21．Hehadtobeinhospitalforsomedaysbecauseofhis.A．illness B．business C．trip D．birthday22．________30workerswillgotoworkinthatcompany.A．Other B．Others C．Another D．Theothers23．Inordertohelppandasmorebabies,scientistsaredoingalotofresearch.A．prepare B．imagine C．produce D．receive24．We′reall________themathexam.A．preparingat B．readyat C．preparingfor D．getreadyfor25．Theplayerransofastthathewhilerunning.A．fallsover B．fellover C．felloff D．fallsoff26．HerunclecamebacktoChinafromAmericatovisithergrandparents________.A．eachtwoyears B．everytwoyears C．eachtwoyear D．everytwoyear27．Theclothesintheotherstoreare______,but______asthoseinthisstore.A．muchcheaper;notasbetterB．farmorecheaper;notasbetterC．muchmorecheaper;notasgoodD．farcheaper;notasgood28．Ourcountryistakingactionto______airpollution.A．cutdownB．cutupC．cutout D．cutoff29．—Wherewillyougothiswinterholiday?—IwillgotoThailand,butIcan’tdecide.A．quickly B．probably C．certainly D．immediately30．—Animalsareourfriends.Weshouldprotectthem.—________.A．Iagreewithyou. B．Sure,goahead.C．Itmustfun. D．Howexciting!二、語法填空根據(jù)短文內(nèi)容及括號中所給詞語在空白處填人適當(dāng)?shù)膯卧~，使文章通順、完整。Dearsirandmadam,I’mwritingtotellyouaboutthe__31__（dangerous）tigersarefacing.Tigersarebigandstrong.Theycanrunfastbutonly__32__ashortwhile.Theyliveintheforest,butnowtheyare__33__（lose）theirlivingareas.That’s__34__peoplekeepcuttingdownforeststomakemorefarmlandandbuildmorehouses.Somehuntersaretryingtocatchthemtoget__35__（them）furandbones.Theysellthemformoney.Sothenumberoftigersisbecomingmuch__36__（small）.I’mfeelingverysorryforthat.Ithinkit’sreally__37__shamethatsomepeopletrytokilltigers.It’stimethatweshoulddosomething__38__（protect）tigers.Ifhumanscontinuetodestroytheforestandmakemoneythroughtigers’furorbones,therewillbeno__39__（remain）tigersinthenearfuture.Iadviseeveryonenottobuyanythingmadeoftigersfurorbones.Let’strytogethertoaskthegovernmenttohelpprotecttigers.Ihopeyoucan__40__（accept）myadviceandrequests!Yourssincerely,Simon拓展訓(xùn)練閱讀單選（2022春·廣東·八年級統(tǒng)考期末）Doyouremembertheelephant“tourgroup”inYunnan?Wherearetheynow?Theyarebackattheirhome!InMarch,2020,afamilyof15wildAsianelephantslefttheirhabitatinXishuangbanna,YunnanProvince.Sincethen,theyhadkeptgoingnorth,throughmountains,forests,riversandevencitystreets.Alongtheirjourney,theyranintovillagesandatefarmers’corn.Butnooneblamed（責(zé)怪）them.“ItisOK.Theyarejusthungry,”afarmersaid.Scientistsguessedthattheelephantswerelosingtheirhabitat,sotheymightgonorthtolookforanewhomewithmorefood.Orthegroupmightloseitswaybecauseitsleaderhadnoexperience！Tohelptheelephantsgethomeandprotectthem,thegovernmentused76policecarsandtrucks,aswellasfivediggersandninedrones（無人機(jī)）.Policeandscientistscloselywatchedthem.Theywatchedthegroup’smovementandsentwarnings（警示）tonearbypeoplenottogetclosetotheelephants.Theyalsohelpedthemwithfoodanddrink.Finally,theelephantsendedtheirtripsafelyandhappilyafter17monthsanda500-kilometerjourney.TheAsianelephantisthelargestlandanimalinAsia.YunnanistheonlyhabitatforwildAsianelephantsinChina.Theprovincehasbuilt11naturereserves.Thereareonly300oftheminChina.TheWWFisworkinghardtosavethem.1．Inthearticle,theunderlinedword“habitat”means________.A．school B．home C．friends D．villagers2．Howmanypossiblereasonsfortheelephants’movetothenortharethereinParagraphThree?A．Two. B．Three. C．Four. D．Five.3．Tohelptheelephants,thegovernmentdidthefollowingEXCEPT________.A．givingthemfoodanddrinks B．watchingthemcloselyC．usingdifferentmachines D．buildingroadsforthem4．WhichisTRUEaboutAsianElephants?A．Theyaredangeroustohumans. B．Peopleworkhardtoprotectthem.C．TheyliveindifferentprovincesinChina. D．Theyarethelargestanimalsintheworld.5．Whichisthebesttitleforthepassage?A．WelcomeBackHome! B．ElephantsontheWay!C．ElephantsareOurFriends! D．ProtecttheElephants!Unit7What’sthehighestmountainintheworld?SectionB2a-2e分層練習(xí)基礎(chǔ)達(dá)標(biāo)一、用所給單詞的正確形式填空1．Dickdecidedtolose__________（weigh）byeatinglessanddoingmoreexercise.2．Jacksonhasdifficultyin__________（solve）theprobleminsuchashorttime.3．Chinaisalot__________（crowded）thanCanada.4．__________（teach）childrenisonewaytohelp__________（save）pandas.5．Wildanimalswhicharenowindangerneedour__________（protect）.6．Ithinkoneofthe__________（easy）waystomakeyoustrongistoexercisemore.7．ThomasAlvaEdisonisoneofthegreatest__________（invent）intheworld.8．TuYouyouisoneoftheNobelPrize__________（win）in2015.We’reproudofher.9．Thebabywas________(wake)whenIcamein.10．Hisfatherlookedveryoldbecauseofhis________(ill).【答案】weight

2．solving

3．morecrowded

4．

Teaching

save

5．protection

6．easiest

7．inventors

8．winners9.awake10.illness【詳解】1．句意：迪克決定通過少吃和多做運(yùn)動來減肥。本題考查固定短語。短語：loseweight減肥。根據(jù)前面的lose是動詞后面應(yīng)該接名詞，提示詞weigh是動詞“稱…重量”，應(yīng)該用名詞重量，故填weight。2．句意：杰克遜在那么短的時(shí)間內(nèi)解決這個(gè)問題有困難。本題考查固定搭配。havedifficultlyindoingsth.做某事有困難，根據(jù)所給單詞solve是動詞解決，動名詞形式是solving，故填solving。3．句意：中國比加拿大擁擠的多。本題考查形容詞比較級。根據(jù)后面的than提示可知本題應(yīng)該是比較級，前面的alot是多的意思，用于比較級前，加強(qiáng)語氣，morethan是比…多，根據(jù)常識可知中國要比加拿大擁擠，故填morecrowded。4．句意：教育孩子是一種幫助拯救熊貓的方式。本題考查動名詞做主語。根據(jù)提示詞teach是動詞，動詞不能直接做主語，要用動名詞的形式，后面的panda是名詞前面用動詞save，故填Teachingsave。5．句意：現(xiàn)在處于危險(xiǎn)中的野生動物需要我們的保護(hù)。本題考查名詞。所給詞protect是保護(hù)的意思，空前面的our是形容詞性物主代詞，后面要加名詞，protection是名詞形式的保護(hù)，故填protection。6．句意：我認(rèn)為使你強(qiáng)壯的最簡單的方法之一就是多鍛煉。本題考查形容詞最高級。oneof+the+形容詞最高級，是“最…之一”的意思，easy的最高級形式是easiest，故填easiest。7．句意：愛迪生是世界上最偉大的發(fā)明家之一。本題考查固定搭配。根據(jù)常識我們知道愛迪生是發(fā)明家，根據(jù)提示詞invent是動詞發(fā)明、創(chuàng)造，表示人的名詞是inventor，根據(jù)前面的oneof后面接可數(shù)名詞復(fù)數(shù)，故填inventors。8．句意：屠呦呦是2015年諾貝爾獎(jiǎng)的獲得者之一，我們都以她為驕傲。本題考查固定搭配。根據(jù)句子結(jié)構(gòu)oneof后面接名詞復(fù)數(shù)，表示…之一，win是動詞，名詞是winner，名詞復(fù)數(shù)是winners，故填winners。9.句意：我進(jìn)來時(shí)嬰兒醒著。根據(jù)空前的系動詞was可知，空處應(yīng)該用形容詞作表語，wake的形容詞形式是awake，意為醒著的。故填awake。10.句意：他父親因病看起來很蒼老?！癶is”在本句中是形容詞性物主代詞，后接名詞；“ill”是形容詞，表示“生病的”，其名詞形式為“illness疾病”，故填illness。二、完成句子，每空一詞。11．這頭大象比這只大熊貓重很多倍。Thiselephant________________________________________thanthispanda.12．科學(xué)家們說現(xiàn)在有不到2,000只大熊貓生活在森林里。Scientistssaytherearenow____________________2,000pandas__________intheforests.13．那些幼崽經(jīng)常死于疾病，不會活太長時(shí)間。Thebabiesoften______________________________anddonotliveverylong.14．大熊貓?jiān)絹碓缴俚牧硪粋€(gè)原因就是人們砍伐樹木。Anotherreasonfor_____________________pandasisthatpeopleare_____________thetrees.15．為了保護(hù)野生大熊貓，政府正在建立自然公園。Inordertoprotectpandasinthewild,thegovernmentis__________________natureparks.16．很多野生動物處于極度危險(xiǎn)中。Manywildanimalsare______________________________.17．上個(gè)月他的祖父死于一場交通事故。Lastmonthhisgrandfather________________atrafficaccident.18．我們大約在操場上待了兩個(gè)小時(shí)。Westayedfortwohours________________ontheplayground.19．這些禮物對我來說很特殊。Thesepresents________________________________me.20．因?yàn)樗谙胧虑?，沒有看路，所以他撞了墻。Ashewasthinkingandnotlooking,he________________awall.【答案】11．weighs

many

times

more

12.fewer

than

living

13.

die

of

illnesses

14.fewer

and

fewer

cutting

down

15.setting

up

16.in

great

danger17.died

from18.or

so19.are

very

special

to20.walked

into【詳解】11．本題考查比較級。短語：morethan超過；manytimes許多倍。本句是一個(gè)陳述事實(shí)的句子，用一般現(xiàn)在時(shí)，主語thiselephant是第三人稱單數(shù)，所以weigh重量也用第三人稱單數(shù)形式weighs，故填weighsmanytimesmore。12．本題考查比較級以及現(xiàn)在分詞。fewerthan后面接可數(shù)名詞，根據(jù)2000pandas是名詞復(fù)數(shù)，是可數(shù)名詞所以前面要用fewerthan。根據(jù)空前面的therearenow可知這句話用現(xiàn)在進(jìn)行時(shí)，句中含有therebe的現(xiàn)在進(jìn)行時(shí)，由there+be動詞+sth.+動詞的現(xiàn)在分詞，所以后面的生活live用現(xiàn)在分詞living，故填fewerthanliving。13．本題考查固定短語。dieof死于…（直接原因），熊貓寶寶死于疾病是直接原因用dieof，根據(jù)題干可知本題用的一般現(xiàn)在時(shí)，babies是復(fù)數(shù)，后面的謂語動詞要用動詞原形，illness是疾病的名詞，死于…后面加名詞，故填dieofillness。14．本題考查固定短語。fewerandfewer越來越少，修飾可數(shù)名詞復(fù)數(shù)。cutdown砍伐，題干中that從句中主語是people，根據(jù)后面的are可知是人們正在砍樹，用進(jìn)行時(shí)，故填fewerandfewercuttingdown。15．本題考查固定短語。短語：setup建立，根據(jù)句意漢語提示可知是正在建立用現(xiàn)在進(jìn)行時(shí)，主語是可數(shù)名詞單數(shù)，結(jié)構(gòu)是is+動詞ing，故填settingup。16．本題考查固定短語。短語：indanger處于危險(xiǎn)中。根據(jù)空前面的be動詞are可知此處是指一種狀態(tài)，處于危險(xiǎn)中用固定短語indanger，極度危險(xiǎn)在名詞danger前加形容詞great，故填ingreatdanger。17.根據(jù)中英文對照可知，英文表達(dá)中缺少“死于”的英語表達(dá)，死于dieof/from，在句中作謂語；dieof主要用于指疾病、衰老等自身的原因造成的死亡，diefrom主要用于指環(huán)境、事故等外部原因造成的死亡，根據(jù)空后的atrafficaccident可知，此處指事故造成的死亡，應(yīng)該用diefrom，根據(jù)Lastmonth可知本句為一般過去時(shí)，動詞應(yīng)該用過去式diedfrom。故填died；from。18.根據(jù)中英對照，可知這里缺少“大約”這一表達(dá)，短語orso，意為“大約”。故填orso。19.根據(jù)中英文對照可知，缺少“對……很特殊”。bespecialto表示“對……是特別的”，主語為“Thesepresents”，be動詞用are；very“非常，很”，副詞，放在形容詞前表示程度。故填are；very；special；to。20.“撞到”可用walkinto表示，根據(jù)“Ashewasthinkingandnotlooking”可知，動作發(fā)生在過去，應(yīng)使用過去式，故填walked；into。能力提升一、單項(xiàng)選擇21．Hehadtobeinhospitalforsomedaysbecauseofhis.A．illness B．business C．trip D．birthday【答案】A【詳解】句意：由于生病，他不得不在醫(yī)院住了幾天?？疾槊~辨析。illness??；business生意；trip旅行；birthday生日。根據(jù)“Hehadtobeinhospital”可知是因?yàn)樯〔乓≡?。故選A。22．________30workerswillgotoworkinthatcompany.A．Other B．Others C．Another D．Theothers【答案】C【詳解】句意：另外30名工人將去那家公司工作。考查不定代詞辨析。Other其他的，表泛指；Others其他的，相當(dāng)于“other+名詞”，表泛指；Another另外的，表泛指；Theothers其他的，相當(dāng)于“theother+名詞”，表特指。由于題干中的30位員工沒有特指，排除D；空格后有名詞，排除B；“數(shù)詞+other+名詞復(fù)數(shù)=another+數(shù)詞+名詞復(fù)數(shù)”為固定結(jié)構(gòu)，故選C。23．Inordertohelppandasmorebabies,scientistsaredoingalotofresearch.A．prepare B．imagine C．produce D．receive【答案】C【詳解】句意：為了幫助大熊貓生育更多的寶寶，科學(xué)家們正在做大量的研究。本題考查動詞詞義辨析。短語：inorderto為了。Aprepare意為“準(zhǔn)備”；Bimagine意為“想象”；Cproduce意為“生育”；Dreceive意為“收到”。根據(jù)句意可知是幫助大熊貓生育更多的寶寶，故選C。24．We′reall________themathexam.A．preparingat B．readyat C．preparingfor D．getreadyfor【答案】C【詳解】句意：我們都在準(zhǔn)備數(shù)學(xué)考試?？疾閯釉~短語。preparingat錯(cuò)誤搭配；readyat錯(cuò)誤搭配；preparingfor為……做準(zhǔn)備；getreadyfor為……做準(zhǔn)備。根據(jù)“We′re...”可知設(shè)空處不能用動詞原形，要用動詞的現(xiàn)在分詞形式與空前be動詞構(gòu)成現(xiàn)在進(jìn)行時(shí)。故選C。25．Theplayerransofastthathewhilerunning.A．fallsover B．fellover C．felloff D．fallsoff【答案】B【詳解】句意：那個(gè)運(yùn)動員跑得很快，以致于跑的時(shí)候摔倒了?？疾閯釉~短語辨析。fallover摔倒；falloff從……掉下來；由“ran”可知用一般過去時(shí)；根據(jù)“whilerunning”可知，跑步時(shí)運(yùn)動員是摔倒了，故選B。26．HerunclecamebacktoChinafromAmericatovisithergrandparents________.A．eachtwoyears B．everytwoyears C．eachtwoyear D．everytwoyear【答案】B【詳解】句意：她的叔叔每兩年從美國回來一次，來看望她的祖父母。考查頻度的表達(dá)。結(jié)合給出四個(gè)選項(xiàng)可知，空格處需填“每兩年”的表達(dá)；英語中表達(dá)動作或事情發(fā)生的頻率可以用“次數(shù)+a+時(shí)間計(jì)量單位（day/week/month/year...）”或“every+時(shí)間單位（twodays/twomonths/twoyears...）”，故選B。27．Theclothesintheotherstoreare______,but______asthoseinthisstore.A．muchcheaper;notasbetterB．farmorecheaper;notasbetterC．muchmorecheaper;notasgoodD．farcheaper;notasgood【答案】D【詳解】句意：那家商店的衣服比這家商店的便宜，但不如這家商店的好。兩者比較用比較級，表示“比……”需要注意的是第一空還涉及到比較級的修飾詞，常用的是far/much+比較級；同級比較用as...as或notas／so...as，中間加形容詞/副詞的原級。故選D。28．Ourcountryistakingactionto______airpollution.A．cutdownB．cutupC．cutout D．cutoff【答案】A【詳解】句意：我們的國家正在采取行動減少空氣污染。cutdown減少；cutup切碎；cutout裁剪；cutoff切斷。結(jié)合語境采取行動是為了“減少”污染，所以選A。29．—Wherewillyougothiswinterholiday?—IwillgotoThailand,butIcan’tdecide.A．quickly B．probably C．certainly D．immediately【答案】B【詳解】句意：--你這個(gè)寒假將會去哪兒?--我可能會去泰國，但是我還不能決定。本題考查副詞詞義辨析。Aquickly意為“快速地”；Bprobably意為“可能”；Ccertainly意為“當(dāng)然”；Dimmediately意為“立刻”。根據(jù)butIcan’tdecide.和詞匯辨析，故選B。30．—Animalsareourfriends.Weshouldprotectthem.—________.A．Iagreewithyou. B．Sure,goahead.C．Itmustfun. D．Howexciting!【答案】A【詳解】句意：動物是我們的朋友，我們應(yīng)該保護(hù)它們?？疾榍榫敖浑H。Iagreewithyou.我同意你的看法；Sure,goahead.當(dāng)然了，繼續(xù)吧；Itmustfun.說法錯(cuò)誤。Howexciting!太令人興奮了。根據(jù)上文，動物是我們的朋友。我們應(yīng)該保護(hù)它們?？芍xA最符合語境。二、語法填空根據(jù)短文內(nèi)容及括號中所給詞語在空白處填人適當(dāng)?shù)膯卧~，使文章通順、完整。Dearsirandmadam,I’mwritingtotellyouaboutthe__31__（dangerous）tigersarefacing.Tigersarebigandstrong.Theycanrunfastbutonly__32__ashortwhile.Theyliveintheforest,butnowtheyare__33__（lose）theirlivingareas.That’s__34__peoplekeepcuttingdownforeststomakemorefarmlandandbuildmorehouses.Somehuntersaretryingtocatchthemtoget__35__（them）furandbones.Theysellthemformoney.Sothenumberoftigersisbecomingmuch__36__（small）.I’mfeelingverysorryforthat.Ithinkit’sreally__37__shamethatsomepeopletrytokilltigers.It’stimethatweshoulddosomething__38__（protect）tigers.Ifhumanscontinuetodestroytheforestandmakemoneythroughtigers’furorbones,therewillbeno__39__（remain）tigersinthenearfuture.Iadviseeveryonenottobuyanythingmadeoftigersfurorbones.Let’strytogethertoaskthegovernmenttohelpprotecttigers.Ihopeyoucan__40__（accept）myadviceandrequests!Yourssincerely,Simon【答案】31.danger

32．for

33．losing

34．because

35．their

36．smaller

37．a(chǎn)

38．toprotect

39．remaining

40．a(chǎn)ccept【導(dǎo)語】文章是西蒙寫的倡議書，呼吁大家來保護(hù)野生老虎，老虎正在失去它們家園，因?yàn)槿藗兛撤淠?、獵人獵殺老虎為了得到它們的毛和骨頭，老虎的數(shù)量正在減少，他建議每個(gè)人都不去買虎制品，也希望政府能夠接受建議去保護(hù)老虎?！驹斀狻?1．句意：我寫信是想告訴你們老虎面臨危險(xiǎn)。根據(jù)句意和句子結(jié)構(gòu)，可知是定語從句，這里是先行詞，在從句中做賓語，所以名詞形式；故填danger。32．句意：它們跑得很快，但是只能跑一會。根據(jù)for+時(shí)間段，forashortwhile一小會；故填for。33．句意：但現(xiàn)在它們正在失去生活區(qū)。根據(jù)now可知是現(xiàn)在進(jìn)行時(shí)態(tài)，結(jié)構(gòu)是bedoing，故填losing。34．句意：那是因?yàn)槿藗儾粩嗫撤ド謥斫ㄔ旄嗟霓r(nóng)田和房屋。根據(jù)butnowtheyare3（lose）theirlivingareas.可知是因?yàn)?；故填because。35．句意：一些獵人正在為了它們的皮毛和骨頭設(shè)法抓它們。根據(jù)furandbones可知用形容詞性的物主代詞來修飾；故填their。36．句意：老虎的數(shù)量正在變得小得多。根據(jù)much修飾形容詞比較級

……的多；故填smaller。37．句意：我認(rèn)為有人試圖殺死老虎真是一種恥辱。根據(jù)句意和不定冠詞的用法，可知是a；不定冠詞a/an一個(gè)，通常用于泛指，a用于輔音音素開頭的單詞前，an用于元音音素開頭的單詞前；故填a。38．句意：是我們采取措施來保護(hù)老虎的時(shí)候了。根據(jù)句子結(jié)構(gòu)，可知是不定式作后置定語修飾something；故填toprotect。39．句意：在不久的將來不會有剩余的老虎。根據(jù)句子結(jié)構(gòu)可知是用形容詞修飾名詞tigers，remaining剩余的；故填remaining。40．句意：我希望你們能接受我的建議和要求。根據(jù)can情態(tài)動詞，后用動詞原形；故填accept。拓展訓(xùn)練閱讀單選（2022春·廣東·八年級統(tǒng)考期末）Doyouremembertheelephant“tourgroup”inYunnan?Wherearetheynow?Theyarebackattheirhome!InMarch,2020,afamilyof15wildAsianelephantslefttheirhabitatinXishuangbanna,YunnanProvince.Sincethen,theyhadkeptgoingnorth,throughmountains,forests,riversandevencitystreets.Alongtheirjourney,theyranintovillagesandatefarmers’corn.Butnooneblamed（責(zé)怪）them.“ItisOK.Theyarejusthungry,”afarmersaid.Scientistsguessedthattheelephantswerelosingtheirhabitat,sotheymightgonorthtolookforanewhomewithmorefood.Orthegroupmightloseitswaybecauseitsleaderhadnoexperience！Tohelptheelephantsgethomeandprotectthem,thegovernmentused76policecarsandtrucks,aswellasfivediggersandninedrones（無人機(jī)）.Policeandscientistscloselywatchedthem.Theywatchedthegroup’smovementandsentwarnings（警示）tonearbypeoplenottogetclosetotheelephants.Theyalsohelpedthemwithfoodanddrink.Finally,theelephantsendedtheirtripsafelyandhappilyafter17monthsanda500-kilometerjourney.TheAsianelephantisthelargestlandanimalinAsia.Yunna