英语Unit2PlantaPlantLesson14（冀教版八年级下） 课件

Lesson14:

PeopleandPlantsNewwordsThinkaboutittextLet’sdoitexplanationsNewwordscornn.玉米wheatn.小麦sheltern.蔽所；庇护furnituren.家具medicinen.药strawn.稻草inkn.墨水ThinkaboutitWhichdoyoueatmore,plantormeat?Canwelivewithoutplants?Whyorwhynot?Whatdopeopleuseplantsfor?Areyouhungry?Theseappleslookgood!PeopleuseplantsinmanywaysForfoodThereareabouteightythousanddifferentplantsintheworldthatpeoplecaneat.Buthalfoftheworld’sfoodcomesfromonlythreeplants:rice,cornandwheat.ForshelterWeusewoodfromtreestobuildhousesandfurniture.Tables,chairsandbedsarefurniture.Soisyourdesk.FormedicineWemakemanymedicinefromplants.What’smedicine?Doctorsusemedicinetohelpsickpeople.ForclothingIsyourshirtmadeofcotton?Cottonismadefromthecottonplant.Doyouhaveahatmadeofstraw?Strawhatsaremadefromthestemsofgrassplants.ForthingsweusetoworkLookatthethingsonyourdesk.Books,paper,pencils,erasersandtheinkinyourpenallcomefromplants.Wecan’tlivewithoutplants!Let’sdoitInasmallgroup,makealistofthepantsyoueateveryday.Whatwouldhappentousiftherewerenoplants?Tryusingthisphrase:“ifwehadnoplants,________.”Whichdoyoueatmore,plantsormeat?你吃什么多一些，植物还是肉？moreadj.更多的，较多的，是many和much的比较级。Mr.GreenhasmoremoneythanI.格林先生比我有钱。IhavemoreapplesthanTom.我的苹果比汤姆的多。拓展：moreandmore越来越多moreorless或多或少morethan超过nomore不再nevermore决不再Whatdopeopleuseplantsfor?人们用植物做什么？What…for?问句用来询问什么目的或用途，回答一般用表目的的不定式、for介词短语或其他形式。--Whatdoyoubutthatfor?你买那东西做什么用？--TomakepumpkinforThanksgivingdinner.为感恩节晚饭做南瓜馅饼。--Whatareyouherefor?你是来做什么的？--I’mheretoseeyou.我是来看你的。hereareabouteightythousanddifferentplantsintheworldthatpeoplecaneat.在世界上人们吃的不同植物大约有8万种。1)aboutadv.大约，到处，附近Weareleavingatabout6thisafternoon.我们准备今下午6点左右离开。Iwalkabouttwomilestoschooleveryday.我每天上学步行大约2英里。prep.关于，在周围Thisisabookabouttheold.这是一本关于老年人的书。Theyaretalkingaboutyou.他们正在谈论你。2)thousand数词，千。当thousand表示确切数字时，其前加数词+thousand+名词。Sixthousandkilometers600米eightthousandstudents8000学生当数词thousand用来表示不确切的数字，仅仅指数目很大，则必须变复数，而且后面要跟介词of，即thousandsof…thousandsofyears几千年thousandsoftrees几千棵树注：hundred与million的用法和thousand一样。有具体数目用数字+hundred/million+…，无具体数字用hundredsof/millionsof…Buthalfoftheworld’sfoodcomesfromonlythreeplants:rice,cornandwheat.但是世界上一半的事物只来源于3种植物：水稻、玉米和小麦。

comefrom=befrom来自Hecomesfrom/isfromJapan.他来自日本。Icome/amfromBeijing.我来自北京。拓展：comealong进步comein进来Comeon!快！cometooneself苏醒过来comeupwith赶上comeat袭击Soisyourdesk.你的课桌也是。So+动词+主语表示某人/某物也是如此。该句型是一个倒装句，动词包括动词、助动词及情态动词。so代替上文提到的内容，句中动词的选取取决于上文中所用的动词，单、复数取决于其后的主语。Shelikesswimming.SodoesI.她喜欢游泳。我也是。HecanspeakFrench.他会讲法语。吴先生也会。sickadj.生病的，有病的，其反义词是well，同义词是ill。Heissick.他病了。辨析：ill与sick两者都是形容词，都有“生病的”之意。ill只能做表语，sick既可做表语又可做定语。Lucywasill/sickyesterday.昨天露西病了。Annislookingafterhersickmother.安在照顾她生病的母亲。Whatwouldhappentousiftherewerenoplants?如果没有了植物我们会怎么样？noadj.没有，加在单数名词前相当于nota，加在复数名词前或不可数名词前相当于notany。Thereisno/notabookonthedesk.桌上没书。Thereareno/notanyapplesinthebasket.篮子里没有苹果。辨析：no与not两词都用做副词，表示“不”，用法不同，no只用于一般问句的否定回答，与Yes相对。且独立使用，还可以做形容词修饰名词，其用