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1、Module5ALessoninaLab Toknowsomemetalsandtheirreactionswithsomesubstances Tolearnhowtodoanexperiment Tobeabletoretellthemainpointsinthetext Tobuilduptheloveforscience Goals potassium sodium calcium magnesium aluminium zinc iron copper 1 TheDifferentUsesofMetals2 TheReactionofMetals3 TheReactionofMeta
2、lswithOxygen ChoosethebesttitleforPassageA Scanning ReadPassageAagainandanswerthequestions Whichmetalsreactthemostwithoxygenandwater Whathappenswhenyouheatcalciuminoxygen Whichmetalsreactwithsteam 4 Doesironhaveasloworfastreactionwithsteam 5 Doescopperreactwithwater Potassium sodiumandcalsium Itburn
3、stoformanoxide Magnesium aluminium andzinc Slow No itdoesn t DoyouthinkitisscientifictomakeGoujianSwordbyusingcopper AfterlearningPassageA WhatcanwelearnfromPassageA Itisveryimportanttoknow Itisveryusefulinourdailylife Harvest metalscanreactwithdifferentsubstances how aim result conclusion method ap
4、paratus Howmanystagesarethereinascientificexperimentreport Fastreading PassageB cottonwool nails ordinarywater rustynails oil water Keepthenailsdry Keepairoutofthewater Airinthewater nails Conclusion Ironrustsin Irondoesn trustin and ordinarywater dryair air freewater half fill with boil put in add
5、to leave result Observethefollowingexperimentcarefullyandthenwritedownanexperimentreport tofindoutifpotassiumreactswithcoldwater acontainer coldwater potassium filterpaper 滤纸 apairoftweezers 镊子 1 Half fillthecontainerwithcoldwater 2 Takeapieceofpotassiumoutoftheoil 3 Drythepotasiumwiththepaper 4 Put
6、thepotassiumintothewater Thepotassiumburns Potassiumreactswithcoldwater AnExperimenntReport Sumup Howcanyoudoascientificexperimentsuccessfully First weneedtohavean andprepare fortheexperimentbeforewedotheexperiment Second wemustusecorrect todotheexperimentandwatchcarefully Thenwecangetthe anddrawa a
7、im apparatus methods result conclusion 短语运用beproudof usedto aimedat addupto keepoutof put inorder keepone sbalance thinkof reactwith besupposedto1 Innature manykindsofmaterialscaneachotherundercertainconditions 2 Youasktheteacherifyouwanttoleavetheclassroom 3 Heliftedhisgunandthebirdinthetree reactw
8、ith aresupposedto aimedat 4 AllthemoneyIhadnomorethanonehundereddollars 5 WhenIsawthesephotos Imycollegedays 6 Trytothetroublebetweenthem 7 Booksshouldagainafteryouhavefinishedreadingthem addedupto thoughtof keepoutof beputinorder 8 Istruggledtoonmynewskates 9 AlltheChinesethesuccessofShenzhou 10 Li
9、fenowismuchbetterthanitbe keepmybalance areproudof usedto 翻译句子1 学生人数在迅速增加 expand 2 做完实验后 一切东西都要有序的排列在器皿柜中 put inorder 3 这是我过去经常去游泳的小河 where Studentnumbersareexpandingrapidly Aftertheexperiment everythingisputin orderinthecupboard ThisistheriverwhereIusedtogo swimming 4 Tofindoutthetruth you dbetterd
10、oitoncebyyourself 不定式作目的状语 5 Itishardtothinkofaworldwithoutmetals 为了发现事实 你最好亲自做一次 很难想像一个没有金属的世界 单项填空1 Onhearingthenews thegirlrushedoutwithouthesitation thebagonthefloorandinthedark A left lied disappearedB leaving lying disappearedC leaving lie disappearingD left lay disappear解析分析句子知leavingthebag 是
11、分词短语作状语 而thebag和lie间是主谓关系 故用lying的形式 而disappear和rushout是句子的谓语动词 因此B正确 B 2 Therearebothadvantagesanddisadvantagesintheschemeproposed butIthinkweshouldbenefitbyadoptingit A onbalanceB outofbalanceC onthebalanceD offbalance解析onbalance总的来说 A 3 ChurchesareoftenbuiltthecrossintheWest A informofB intheform
12、ofC withformofD inaformof解析intheformof 以 样的形式 呈现 样的形式 B 4 When metals A heating extendB heated extendC heating expendD heated expand解析metal和heat为动宾关系 故用heated 完整形式是 Whenitisheated 由常识知加热时铁膨胀 故用一般现在时 D 5 TheywillstarttheirprojectathelpingthepoorchildrentobeeducatedinChina swest A aimsB aimingC beinga
13、imedD aimed解析分析句子知project和aimat之间是主谓关系 故用其 ing形式aiming B 6 Afteralongdiscussionabouttheadvantagesanddisadvantagesoftheplan theyfinallycametoa n thatitwaspractical A decisionB opinionC conclusionD impression解析cometoaconclusion得出结论 空后的thatitwaspractical是conclusion的同位语 C ofthepeopleontheNetChina secono
14、myisamongthestrongestintheworld A Fourfifth believesB Fourfifth believeC Fourfifths believeD Fourfifths believes解析考查分数表达和主谓一致 当分数中分子大于1时 分母需用复数 故排除A B两项 分数 百分数 of 名词 作主语时 谓语动词的单复数取决于名词 本句中people为复数 故选C C 8 TheflightCA9525for11 30a m istobeputoffduetothestormyweather A ordinaryB commonC formalD regul
15、ar解析本题考查形容词辨析 regular正常的 通常的 ordinary普通的 长相一般的 common常见的 formal正式的 D 9 Anysuggestion You dbetterthelastsentenceasitisrathermisleading Soundsreasonable Thencouldyouagoodendingtoit A putout increaseB leaveout addC findout findD knockout choose解析leaveout此处表示 删除 省略 add表示 加上 根据句意选B项 B 10 Mrs Brownwastoha
16、veleftforFrancelastweek butsomethingelsedelayedhim A designedB ableC possibleD supposed解析besupposedtodo 本应该 原来 bedesignedtodo 打算做 根据空后的tohaveleft知D项正确 D 11 Itwasdifficulttoguesswhathistothenewswouldbe A reactionB opinionC commentD impression解析one sreactiontosth 表某人对 的反应 此时介词用to A 12 Isn trudehimtotalktohismotherlikethat A that forB that ofC it forD it of解析本题考查句式 Itis adj ofsb todosth 的否定疑问形式 D 13 HaveyougotintouchwithTom Oh sorry Icouldn thisphonenumberatthemoment A thinkaboutB thinkoverC thinko
