人教版必修五Unit1 Workbook.ppt

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1、Unit1GreatscientistsWorkbook高二人教新课标版必修五AnswerkeyforExercise1:Possibleanswersinclude:GotoyourteacherGotoanaturalmuseumandspeaktoaspecialistLookitupinaflowerbookListening(Page41)AnswerkeyforExercise2:ThecorrectanswerisC.SummaryAisnotcorrectbecauseitdoesnotgiveenoughinformation.SummaryBisinaccurate

2、.AnswerkeyforExercise3:Tofindthenameofanunknownflowerfirstyoushouldaskyour_________teachertohelpyou.He/Shewilllookinaspecial________writtenbyCarlLinnaeus.Helivedin________from_______to_______.Hewasveryimportantbecausehesolveda________problemforbiology.biologybookSweden17071778seriousAnswerkeyfor

3、Exercise4:Itmeansthathisflowerhasalreadybeenidentifiedandhasaname.Hewouldknowbycheckinghislilyagainstotherliliesinthespecialistbook.Ifhislilyisdifferent(forexampleinthenumberofpetalsorstamens)itwillbeanewspecies.Allplantshavetwonamesjustlikepeople.Thefirstisthegroupofflowerstheybelongtoandislike

4、thefamilyname.Thesecondisthekindofflowerwithinthatgroupandislikeagiven/personalname.4.BeforeLinnaeistherewasnowayoffindingoutwhetheraplantwasnewornot.Thiscausedproblemsbecausedifferentscientistsclaimedthattheyhadfoundandnamedflowersfirst.Afterheorganizedhissystemitwaseasytodiscoverwhetheraplantw

5、asnewornotandsowhohadtherighttonameit.NAMINGAFLOWERRobertBriggsistalkingtoZhangWeiaboutanewflowerhehasfound.ListeningtextZW:HelloRobert.What’sthatbookyou’recarrying?RB:Abookthathelpsyouidentifyaflower.ZW:Isee.Whydoyouwantthat?RB:Well,I’vefoundthislily.Itlooksdifferenttome.SoIwanttofindoutifit’sn

6、ewornot.Ourbiologyteachertoldmethatifit’salreadyknown,I’dfinditinthisbook.ZW:Wow!Soyouthinkyoumayhavefoundanewlily?RB:Ihopeso,butIhavetodosomeresearchfirsttofindoutforsure.ZW:Whathappensifit’sinthebook?RB:Itmeansthatsomebodyelsehasfounditandnamedit.ThenI’llknowitsbiologicalname.ZW:Whatdoyoumeanb

7、ythebiologicalname?RB:Actuallylikeusaflowerhastwonames.Thefirstisthegroupofflowersitbelongsto-likeafamilyname.Aroseisonesuchgroup.Thesecondisthekindofflower-likeagivenname.Itmaydescribewhattheroselookslike;forexample,thecolo