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Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionAsandstormsLearningAims:1.掌握及运用相关的单词与短语；2

.学习并掌握不定代词及副词的用法；3.懂得保护环境的重要性，树立环保意识，从我做起。Theboyandgirlsaretalkingabout_____.A.differenttypesofsandstormsB.thereasonsforsand

stormsC.sandstormsindifferentcities1bListento1aandchoosethebestanswer.Focusonthemainideaoftheconversationwhenyoulistenforthef

irsttime.√Listenandanswerthequestions1.What’stheweatherliketoday?It’sbad.Thewindissostrong.2.Whatcauses

thesesandstorms?Peoplehavecutdowntoomanytrees.3.Dowestillneedtodosomethingtoprotecttheenvironment?Yes,wedo.1cRead1aandcomp

letetrees’functions.A.Treescanstopthewindfromblowingtheearthaway.B.Alotofwatercanbesavedbyforests.C.Theycanalsostopthewaterfromwashingtheear

thaway.Tree’sfunctionsRead1aandtrytofindtheimportantphrasesandsentences.Groupworksomebody,someone,something,somewhere

anybody,anyone,anything,anywherenone,nobody,nothing,nowhereeverybody,everyone,everything,everywhere一

般情况下用于________一般情况下用于______________表_____含义可用于_________Indefinitepronounandadverb肯定句否定句和疑问句否定各种句式1.Lily,wouldyoulike_

__________todrink?2.Cindyisverybusynow.Sheneeds_______tohelpher.3.Isthere_________wrongwithyourcomputer?4.Jimloo

kedforhispencil-box____________,buthedidn’tfindit.5.Istayedathomelastweek.Ididn’tgo__________.Usesomeone,something,anything,somewhe

re,anywheretofillintheblanks.somethingsomeoneanythingsomewhereanywhereK:wind;sand;anythingM:whatsandstormsJ:cutdown;asa

result;changeintoM:howaffectJ:stop…from…;blow…awayK:canbesavedJ:wash…awayK:isharmfulto;although;dosomethingRetellthedialog.2Completethesenten

ceswiththecorrectformsofthegivenphrasesinthebox.asaresult,changeinto,dosomething,stop…from,blow…away1.Peoplehavecutd

ownsuchalargenumberoftreesthattheland_____________________desert.2.Therearefewertreesleft,sothewindalways_______theeart

h________.3.Airpollutionhasbecomeaseriousproblem,sowemust______________toreduceit.4.weshouldtryourbestto_________people________cuttingdownth

etrees.5.Inthefuture,humanbeingscanprotectthetreeswell._____________,animalswillliveahappylifeintheforest.hascha

ngedintoblowsawaydosomethingstopfromAsaresult4A.Listentothepassageandcirclethephrasesyouhear.•becomeweaker•destroytheenvironment•disappearrapidly•on

theearth•enoughbambootoeat4B.Listenagainandfillintheblanks.1.Nowsomekindsofanimalsarebecoming___________________.2.Someanimalsare

_______________dyingoutcompletely.3.Inthepast,pandaslivedaquietlifeandhad______________food.4.Humanshave____________________theimportanceofprotecti

nganimals.5.Weshould________________toprotectthem.doourbestindangerofplentyofcometounderstandfewerandfewer3Doyo

uknowhowsandstormscomeintobeing?Numberthepicturesandtalkaboutitandwriteapassageingroups.()()()()()()415362washtheearthawaymanytreeschangeintodesertf

orestsgonesandstormscomeintobeingcutdowntreesWelearn:1.Somewords:sand,although2.Somephrases:changeinto,

humanbeing3.Somesentences:(1)Asaresult,alotofrichlandhaschangedintodesert.(2)Treescanstopthewindfrombl

owingtheearthaway.Wecan:1.Usetheindefinitepronounandadverb.2.Talkaboutthesandstormanditsharm.Summarywriteapassageabouthowsandstormscomeintobei

ng.Thankyou!