Module12 Unit1 第二课时知识点讲解课件 外研版英语九年级上册

Module12SaveourworldUnit1Ifeveryonestartstodosomething,theworldwillbesaved.Expressions

用水浇庄稼让人们生病关于环保的课来自工厂的污染遍布城市乡村很多石油做…是没有用的……的威胁在贫穷的地区保护能源的方式usethewaterfortheircropsmakepeopleilllessons

on

theenvironmentpollution

from

factoriesspreadovercitiesandvillages

somuchoilIt’snouse

doingsth.adangertoinpoorareawaystosaveenergyLingling:Afterourlessonontheenvironment,I’mworriedaboutthefuture.Pollutionisourgreatenemy,andwehavetofightit.Iftheriversarepolluted,farmerscan’tusethewaterfortheircrops.(1)beworriedabout担心...=worryabout

(2)pollutev.污染；弄脏pollutionn.pollutedadj.受污染的；被弄脏的Eg:空气污染是个严重的问题。Airpollution_____(be)aseriousproblem.(3)cropcn.

农作物【Exercise】Thefactory_________（污染）theairandthe

water.The

air

and

the

water

____________

by

the

factory.（污染）

Thegovernmentaskedtoreducethe___________.

(污染)pollutespollutionare

pollutedisun.Tony:Andinsomeplaces,pollutionfromfactoriesspreadsovercitiesandvillages.Itmakespeopleillandmayevenkillthem.Pollutionisadangertoourhealth.(4)spread-spread-spreadspreadover

遍布在...,

(6)dangern.危险dangerousadj.危险的Eg:闯红灯对我们来说是危险的。Runningaredlightisadangertous.(5)makesbdosth使、让某人做某事beadangertosb/sth对...有危害=beharmfulto=bebadforindanger处于危险之中outofdanger脱离危险

makesbadj.Betty:Andthere’resomanycarsontheroad.Theyusesomuchoilandcausepollutionaswell.Daming:Butweareonlystudents.Wecan’tdoanythingaboutfactoriesandcars.aswelleithertooalso肯定句

句末否定句

句末

句末

书面语中，以，

隔开

句中【Exercise】Lilyisateacher,andherfriendisateacher___________.IliketheSun,andI______likethemoon.Suedoesn’tlikedogs,andIdon’tlikethem______.too/aswellalsoeitherMe,neithersomany如此多+可数名词（PL）somuch如此多+unsomany如此多somuch如此多+不可数名词

+可数名词plIt’snousedoingsth.做某事没有用处=It’s

useless

to

do

sth.做某事没有用处=There

is

no

use

doing

sth做某事没意义

It’snogooddoingsth.做某事是不合适的【Exercise】It’snouse___________.(complain)It’suseless________(regret)（10）suchas≈likeforexample

complainingtoregretBetty:It’snousetalkingaboutthingswecan’tdo.We’vegottothinkofthingswecando!Daming:Suchas…?+多个例子，+一个例子Lingling:Doyouthinkwecanmakeourschoolagreenschool?Daming:What’sagreenschool?Lingling:Atagreenschool,everyclasscollectswasteorrubbishwhichcanberecycledorusedagain.(11)wasten.浪费；废弃物awasteoftime浪费时间

v.浪费;滥用

waste...onsth浪费...在....上

waste...(in)doingsth浪费...做adj.废弃的

Eg:扔掉废纸是很浪费的。Throwingawaywastepaperiswasteful.wasteful浪费的It’awasteoftime/moneydoingsth.做某事使浪费时间、金钱的。Lingling:Atagreenschool,everyclasscollectswasteorrubbishwhichcanberecycledorusedagain.Thentheschoolsellsthewasteandusesthemoneytohelpstudentsinpoorareas.Daming:Niceidea!(12)

recyclev.循环利用

Eg:回收利用是一个保护环境的好办法。Recyclingisagoodwaytoprotecttheenvironment.【前缀】re-重复；再rewriterebuildreusereturnrecallreunionrestartrecyclingn.用所给词的正确形式填空。It’snotrightto________electricityandwater.

(浪费）Every

day

a

lot

of

water

_________.(浪费）She

collects

_______(废品）to

make

money.

All

glass

bottles

can

___________.(回收利用）

We

_________

nearly

80%

of

our

paper.

(回收利用)

wasteis

wasted

wasteberecycled

recycleBetty:Studentsatagreenschoolalsolearnwaystosaveenergyandrecycleathome.Thatmeanslesswaste.+可数名词+不可数名词lessfewermoremoreTony:That’sagoodidea.Thoughpollutionisheavynow,Idon’tthinkit’shopeless.Ifeveryonestartstodosomething,theworldwillbesaved.(13)hopelessadj.

无望的【后缀】n./adj-less

没...n./adj-ful...的

hopeless-hopeful

harmless-harmfuluseless-usefulcareless-carefulrecyclehope