高三英语课件：上学期unit4Greenworld.ppt

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1、Unit4GreenworldstrawberrygrassrosetreesScienceofstudyingplantsiscalledbotanyTHEBIRTHOFASCIENCETask1.Scanthetexttoanswer:1.Howmanypeoplearementionedinthetext?Whoarethey?Weretheyallbotanists?2.Inthetitle“TheBirthofaScience”,“science”refersto_______.A.zoology(动物学）B.botanyC.biolog

2、yD.medicineFour.CarlLinnaeus,DanielSolander,JosephBanksandJamesCook.No.BTask2.Listentothetexttodothetrueorfalsequestions1.BeforeCarlLinnaeus,peopledidn’tmanagetoclassifyplantspeciesintogroups.2.Linnaeus’systemwasacceptedbypeople3.Richashewas,hewouldnotliketoliveacomfortbalelif

3、e.4.TheBritishgovernmentpaidforalltheexpensesforJosephBanks.5.ThemostimportantpurposeoftheexpeditionforJamesCookistosearchforanunknownsoutherncontinent.TTTFFTask3.Readthetext.Paras1~2HowdidscientistsclassifyplantsbeforeLinnaeus?2.HowdidLinnaeusclassifyplants?Anewideaofgrouping

4、plants.BeforeLinnaeus,plantswereclassifiedintoherbsandtrees,oraccordingtotheshapeofthefruitorwhethertheyhadflowersornot.Heclassifiedplantsinfamilies.Itssystemclassifiesplantsaccordingtothearrangementofthemaleandfemaleorgansintheflowers.Paras3~61.HowmanypurposesdidCaptainCook's

5、expeditionhave?Whatwerethey?2.WhydidJosephBankshavetosupplyhisownmoneytoequiptheexpedition?3.WhatdidBanksdoduringtheexpedition?1.HowmanypurposesdidCaptainCook'sexpeditionhave?Whatwerethey?Three.(1)TostudythepassingoftheplanetVenusacrossthesun.(2)Toclassifyanddescribeallplantan

6、danimallifeobservedduringthetrip.(3)Tosearchfortheunknownsoutherncontinent.2.WhydidJosephBankshavetosupplyhisownmoneytoequiptheexpedition?3.WhatdidBanksdoduringtheexpedition?Becauseatthattime,botanywasanewfieldofscience,Britishgovernmentdidn'twanttopayforit.studiedanddescribed

7、newplantshefound(2)lookedoutforneweconomicspeciesParas3~6TheexpeditiontoTahiti.Para7Afterhereturnedfromthevoyage,inwhatwaysdidBanksmakegreatcontributions?ExplorationofAfrica,settlementofAustraliaanddevelopingtheroyalgardensintoacentreofscientificandeconomicresearch.Banks’worka

8、fterhisvoyage.Task4:Consolidation:I.Choosethebestanswer.细节题(1