冀教版英语八下Unit2Lesson14

welcometoourclassThinkaboutit［讨论］

1Whichdoyoueatmore,plantsormeat?2Canwelivewithoutplants?Whyorwhynot?

Lesson14peopleandplantsThenewwordscornwheatfurniturefurnituremedmedicineinkshelterststrawReadthetextandanswerthesequestionsEighteenthousanddifferentplant.Yes.Halfoftheworld’sfoodcomesfromonlythreeplants:rice,cornandwheat.Weusethetreestomakeshelter,furniture,tables,chairs,bedsandsoon.Howmanyplantscaneatintheworld?Doeshalfoffoodcomefromrice,cornandwheat?Whatdoweusetreestodo?.Dowemakemanymedicinesfromplants?Yes,wedo

Whatareyourclothesmadeof?Cotton.Dotheycomefromplants?Yes,theydo.Whatelsethingsthatweusetoworkdo?comefromplantsaroundus?Tables,books,furnitureink,housesandsoon.1Peopleuseplantsinmanyways.In和with都是“用”。In指用方法，手段等，而with指用工具。例如：Iworkoutthisprobleminthisway.Wewritewithapen.2…..eightthousanddifficultplantsintheworldthatpeoplecaneat.That引导定语从句，修饰名词plants.在定语从句中，被修是的名词叫做先行词，引导词叫做关系代词或关系副词，如果被修饰的词是指事物时，引导词用that/which,指人时用who/whom/that.例如：Iknowthemanwho/thatisinthecar.Thisisthebookthat/whichIhaveeverread.3Buthalfoftheworld’sfoodcomes…..句中halfof修饰名词作主语时，谓语动词的形式由名词的单复数来决定。例如：Halfofstudentsaregirls

.4Weusewoodfromtreestobuildhouses….句中use…todosth.表示“用…作某事”例如Weusetreestomakepaper.

5Soisyourdesk.So+系动词be/情态动词/助动词+主语。这种结构表示与前者情况相同。例如：Heisastudent,soishissister.6Doctorsusemedicinetohelpsickpeople.Sick和ill都是形容词“病的”。二者的区别在于：ill只能作表语，sick既可以作表语，也可以作定语。例如例如：Heisill.Soheisasickman.7Isyourshirtmadeofcotton?Bemadeof和bemadefrom都是“由….制成”后面都跟原材料，二者的区别：Bemadeof是在物体的表面可以看到原材料，是物理变化。而bemadefrom则是不能在物体表面看到原材料。例如：Myshirtismadeofcotton.Thiswineismadefromgrape.

选词填空1Iamlookingatthephoto_yousentmewithyourletter.AwhoBwhomCwhichDit2_world’stelephonecallsaremadeinEnglish,and_oftheworld’sbooksandnewspaperarewritteninEnglish,too.AHalf;thirdquarterBHalfthe;threequarterCHalfthe;threequartersDHalf;threequarters

C

Exercise

C3Theweatherwasverycold.Therewere_inthedoctor’swaitingroom.AmanyillpeopleBmuchsickpeopleCmanysickpeopleDsickmanypeople4Heusesthebottle_water.AkeepBkeepingCkeptDtokeepC

D

Let’s

DoIt.“Ifwehavenoplants,wewould…

’’