高中英语-人教版选择性必修二-Unit1-Reading-and-Thinking优质PPT.pptx

高中英语-人教版选择性必修二-Unit1-Reading-and-Thinking优质PPT.pptx

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,6,Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?

Archimedes（287-212BCE）,anancientGreekmathematician&

physicist,7,Archimedesprinciple阿基米德定律（浮力）,Givemeaplacetostand,andIshallmovetheworld.,Ifyouputanobjectintowater,thewaterpushestheobjectup.Itrisesandpartlyfloats.Theforceofthewaterpushingitupisthesameastheweightoftheobject.,8,Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?

TheOriginofSpecies,CharlesDarwin（1808-1882）Britishauthor,Itexplainshowplantsandanimalschangedovertimetofitinwithachangingenvironment.,9,Whodiscoveredradium?

ShewasthefirstwomantowintheNobelPrize,thefirstpersonandonlywomantowintwice.,MarieCurie（1867-1934）PolishandFrench,10,Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?

LeonardodaVinci（1452-1519）,Italianartist,masterpieces,11,Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?

inventedthefirstseismograph（地动仪）,ZhangHeng（78-139）,Chinese,12,Whoputforwardatheoryaboutblackholes?

workedonastronomyandstudiedblackholesinspace,StephenHawking（1942-2018）Britishscientist,Hehasshownthatblackholesdonotonlyabsorbeverythingaroundthembut,fromtimetotime,throwoutmatteraswell.,13,Whodiscoveredartemisinin（青蒿素）?

TuYouyou,SheisthefirstChineseNobellaureateinphysiologyormedicineandthefirstfemalecitizenofChinatoreceiveaNobelPrizeinanycategory,aswellasthefirstChinesepersontoreceivetheLaskerAward.,（拉斯克医学奖极具声望的生物医学奖项）,14,_analyzetheresults_askaquestion_drawaconclusion_collectdata_findaproblem_findsupportingevidence_thinkofamethod,Discussthefollowingstagesofscientificresearchingroups.Whatorderwouldyouputthemin?

5,Understandthequestioningmind,2,7,4,1,6,3,15,n.腹泻,Whatdoyouknowaboutinfectiousdiseases?

Whatdoyouknowaboutcholera?

Choleraistheillnesscausedbyabacterium（细菌）calledVibriocholerae.Itinfectspeoplesintestines（肠）,causingdiarrhea,vomiting（呕吐）andlegcramps（腿抽筋）.Peopleevendiequicklyfromalossofliquid.,n.霍乱,vt.使感染;

传染,16,Sevencholerapandemics（霍乱大流行）haveoccurredinthepast200years.Letstakethethirdcholerapandemic（18521860）asanexampletoseeits“power”.,Becauseofsomescientistsgreatefforts,nowthecholeraisnotasseriousasthattime.,17,Readthepassagequicklyandchoosethemainidea.,JohnSnowwasawell-knowndoctorinLondon.ThecauseofCholerawaspollutedwater.Thesourceofalldrinkingwatershouldbeexamined.HowJohnSnowcollected,analyzeddataandfoundthecauseofthediseaseandsolvedit.,18,Usethestagesinexamininganewscientificideatodescribeeachparagraph.,drawaconclusion,findaproblem,askaquestion,collectdata,findsupportingevidence,Whatcausescholera?

Whichtheoryiscorrect?

Markinformationonamaptofindoutwherepeoplediedordidnotdie.,Findotherevidencetoconfirmtheconclusion.,Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.,v.指责,19,Readthepassageagainandcompletethechartbelow.,Itwasbelievedthatcholerawascausedbybad_orgermsin_.,Snow_theplaceswherethepeoplewho_hadlived.,Manydeathsoccurrednearthe_inBroadStreet.,Somepeople_drunkthewaterfromthepump,andlived.,AwomanandherdaughterdiedinanotherpartofLondonafter_.,Thepumpwatercarried_.,The_ofthepumpwasremoved.,air,foodorwater,marked,died,waterpump,hadnt,moving,choleragerms,handle,A.,C.,B.,D.,E.,awayfromBroadStreet,n.细菌,n.把手,泵,20,multipledeathshappenedhere.,Nodeathhappenedhere.,Thewaterfromthepumpwastoblame.,Publichouse,Clue:

freebeerfrompublichouse,Result:

ThewatercamefromtheriverwhichhadbeenpollutedbythedirtywaterfromLondon.,adj.数量多的,21,Matchthefollowingheaderswiththelettersfromthechartabove.WriteA-Eintheblanks.,1.conclusion_2.evidence_3.process_4.solution_5.theories_,D,C,B,E,A,22,Whatquestionswouldyouasktogetthefollowinganswers?

1.Q:

What_?

A:

Snowthoughtthatcholerawascausedbygerm