高中英语（人教大纲）第三册：unit4 green world(第一课时)

《高中英语（人教大纲）第三册：unit4 green world(第一课时)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4　GreenworldsⅠ.BriefStatementsBasedontheUnitThereareavarietyofplants.Howshouldweclassifythemscientifically?Whoisthefirsttodothis?WecanfindtheanswersinUnit4.Theunitbeginswithtalkingaboutfourdifferentkindsofflowers—tulip,rose,sunflowerandpeony.Thestude

2、ntsareaskedtogivethenamesandtelltheplacestheycomefromaswellaswhattheyareusedfor,etc.InSpeakingPart,thestudentsaregivendifferenttopicstotalkabout.Firsttheyareaskedtodescribehowtoplantsoybeans.Fivepicturesaregiventoshowthewholeprocessofgrowingsoybeans.Eventh

3、oughyouhaven’tdonethisbyyourself,you’llhavesomeideas.Aslongasyou’veheardofsuchthingsasthis,youcandescribeitwithoutmuchdifficulty.Thentheyareaskedtotalkabouthowtoplantvegetablesonconditionthatyouhaveasmallgarden.Ifyoucan’tdothissuccessfully,youcanchooseamuc

4、heasiertopic—describetheprocessofplantingandgrowthofanyplantwhichyouarefamiliarwith.Inahappyandrelaxedatmosphere,thestudents’abilitytospeakEnglishisimproved.Listeningasksthestudentstolistentoamaterialaboutfruitandhowtogroupdifferentkindsoffruit.Besides,the

5、materialgivesthereasonwhyweeatfruit.ThestoryaboutCaptainCookandhissoldiersisalsointerestingandinstructive.Theteachershouldaskthestudentstolistencarefullysoastoimprovetheirlisteningability.Theauthorofthetextdescribesthreeworldfamousscientists—CarlLinnaeus,D

6、anielSolanderandJosephBanks.Theygavebirthtoascience—botany,orrather,CarlLinnaeusgavebirthtoitandtheothertwoenricheditgreatly.Aftertheygothroughthewholearticle,thestudentswillhaveimprovedtheirreadingability.Atthesametime,they’llbestruckbythescientists’spiri

7、tofdevotionaswellaslearnmoreaboutthescience—botany.Inordertohelpthestudentstolearnandmastertheusefulwordsandexpressions,exercisesofdifferentformsaredesignedinWordStudy.Thestudentscanusethesewordsandexpressionsindifferentsituations.InGrammar,thestudentswill

8、reviewtheObject.Alotofexamplesaregiventoletthestudentsseetheirusages—whatcanbeusedastheobject,ausefulsentencepattern:havesomethingdone,anddirectandindirectobject.Thestudentswillknowthegrammaritemfurtheraftert