Lesson30
Teachingaims
1.Totraintheabilityofskimmingthetexttofindthegeneralideaandscanningthetexttolocatetheinformationquickly.
2.Tolearnhowtousethefollowingwordsandexpressions:
room,discover,arrive,makeinto
3.ToreviewtheAttributiveClauses.
4.TolettheSsknowsomefarmproducts.
Step1Revision
1.Checkthehomeworkintheworkbookfirst.
2.Revisesomenewwordssuitingthepictures.
Step2Presentation
1.AsktheSsthefollowingquestions
1)What’syourfavoritefood?
2)WhatfooddopeoplelikeinShanghai/Sichuan/Tibet/theUSA,etc.?
3)Doyoulikecorn?
Step3.Listening
TplaythetapetotheSs,thentrytoaskthemthebelow.
1)WhenwascornfirstbroughttoChina?
2)CanyounamesomeoftheplantsthatwerefoundinAmerica?
Answers:1)CornwasfirstbroughttoChinaabout450yearsago.2)Forexample,beans,potatoesandotherdifferentfruits.
Step4Reading
TwillgivetheSsafewminutestoreadit,thensaysomethingabouttheusefulplantcorn.
2)AsktheSstoskimthetexttofindthegeneralidea.
Answers:
Thepassagetalksaboutthefoodintheworld.Ittellsushowcorn,tomatoesandotherplantswerediscovered.Itmainlytellsushowcornwasdiscoveredandtakentotheotherpartsoftheworldandthemyofmakingcornfood.
Step4.Languagestudy
GettheSBtolookthroughthetextandexplainsomelanguagepointsanddifficultsentences,ifnecessarytheTcanexplainthemagain.
1)Therewasnotenoughroom.
2)discoveredthetomato
3)anopenfire=afirethatbumsintheopenair
4)gotangry=becomeangry
Step5Workbook
GettheSstodoEx.2&3onPage31andEx.1&2onPage94.
Step6Summaryandfurtherdiscussion
1.Retellthetext.
2.Discussion:
1)Doyouthinktheagricultureisimportant?
2)Howcanyoumakecontributionstotheagriculture?
3)Whathaveyoulearntfromthetext?
Step7Homework
1.FinishofftheexercisesintheWbonPage93&94.
2.Readthetextaloudandrecitethethirdparagraphofthetext.