Unit 5 Reading for writing 教案-高中英语人教版选择性必修第一册

新人教版（2019）英语选择性必修一Unit5workingthelandReadingforwriting教学设计课题Organicandchemicalfarming单元Unit5学科English年级SeniorGrade2教材分析学生通过阅读一篇关于有机耕种和化学耕种的文章，了解有机耕种是什么化学耕种有哪些危害，从而正确对待有机食品，保护土壤和环境。学习目标与核心素养Knowledgeobjectives:graspsomeimportantwords,phrasesandexpressionsinthispart;getthestudentsknowwhatorganicfarmingisandthedamagesofusingchemicals.Skillobjectives:masterrelatedreadingandwritingskills；Emotionalobjectives:learntocherishfoodandknowhowtoprotectourenvironment.重点HelpstudentstogetfamiliarwiththekeywordsinthepassageHelpstudentstomakeclearwhatisorganicfarmingandthedamagesofchemicalfarming.难点Helpstudentstoknowhowtowriteanessayabouthowtoprotectourenvironment.HelpstudenttogetintoEnglishlearning.教学过程教学环节教师活动学生活动设计意图导入新课Step1lead–inusethepicturesinthetextandthetitletopredictwhatthetextisabout.Whatisthesubstanceweputonthesoiltomakecropsgrow?Whatkindoffertilizersdofarmersuse?discussthepicturesingroupsThemethodcanarousestudents’interesting,andtheycancomeintotheclassactively.讲授新课Step2pre-reading

What’retheadvantagesoforganicfarming?Doyouusuallyeatorganicfood?Doyouthinkorganicfoodaremorehealthy?Whatarethedisadvantagesofusingchemicalfertilizers?

Step.While-readingReadthetextonPage55,matchthmain1.ideas(A-D)withtheparagrphs.Thencompletethesentencesinthetable.2.detailedreading·Pesticides

can

kill

helpful___________________·Some

pesticides

have

been____________because

of

the

________________________________·Crops

grown

with

chemical

fertilisers

usually

_______________

to

be

full

of____________·Many

organic

farmers

use

_________________________

as

fertiliser.·They

often

_______________________

grown

in

each

field

_____________·They

also

plant

crops

that

use

______________

of

the

soil

to

help

keep

it

rich.·Organic

farming

is

now

nowhere

near

able

to

meet

high___________3.仔细阅读课文,选择最佳答案

1.Whydidmanyfarmerswelcometheintroductionofchemicalfarming?

A.Theycanfightcropdiseaseandincreaseproduction.

B.Theyharmboththelandandpeople’shealth.

C.Theycanhelpproducerichsoil.

D.Theyarenotexpensive.

2.Frompassage,wecanseeorganicfarmersarethosewho.

A.growcropswithchemicalfertilisers

B.growcropswithnaturalfertilisers

C.produceorganicfertilisers

D.carefortheenvironment3.Whatconcernsmanypeopleabouttheuseofpesticides?

A.Pesticidescandamagetheland.

B.Chemicalscanstayinthesoilforalongtime.

C.Pesticidescankillharmfulbacteriaandinsects.

D.Chemicalsmaymakepeopleillandevencausecancer.

4.Fromparagraph4,weknowthat.

A.organicfarmersalwayschangethekindofcropgrownineachfieldeveryyear

B.vegetablesgrowontheground’ssurface

C.beansshouldbegrowntogetherwithcornandwheat

D.vegetablesthatputdowndeeprootsareharmfultothesoil

5.Whycan’twestoptheuseofman-madechemicalsinagricultureentirely?

A.Organicfarmingcostusalotofmoney.

B.Organicfarmingcanmeetpeople’sneed.

C.Chemicalfarmingbroughtushugeprofit.

D.Chemicalfarminghelpsservetheneedforfood.Step4.homework:reviewthetextDiscusstheproblemsanddosomep