人教选择性必修第一册Unit3 Discover useful structures 语法 课件

Unit3FASCINATINGPARKSDiscoverusefulstructuresLearningobjective:Tolearnandpracticethe-ingformusedassubject(主语).P29-1Identifythefunctionofthe-ingforminthesentencebelow.Gettinghereisquitedifficult.Beinginsuchabeautifulandwildplace

makesmefeelblessestobealive.作主语作主语P34-21.

(See)thecolorfulmountainsandrockylandscape

impressedmemostwhenvisitingZhangyeDanxiaGeopark/GeologicalPark.

Seeing2.

_________(admire)themagnificentpeaks/landscape,_______(take)araftride,and__________(experience)thelocalcustomsoftheTujiapeopleandtheMiaopeopletopthelistoftourists’favoriteactivitiesinZhangjiajie.

Admiringtakingexperiencing3.______(take)aboattourand__________(admire)thekarstlandscape

arethingsthattouristsliketodoatGuilin’sLiRiver.

Takingadmiring4._______(view)glaciersatYulongSnowMountainand________(listen)tothesoundofrushingwateratTigerLeapingGorge

appealtoadventuroustouristsinLijiang,YunnanProvince

Viewinglistening动词-ing形式作主语

在一些句子中，常用it作形式主语放在句首，而把真正的主语放到句末。如：Crying

over

spilt

milkisnouse.

Itisnousecryingoverspiltmilk.It’sawasteoftimedoing…做……是浪费时间的It’snogood/usedoing…做……是没益/用处的It’sworth/worthwhiledoing…做……是值得的常用-ing形式作主语的句型有：P29-2Rewriteeachofthefollowingsentencesusingthe-ingformasthesubject.EXAMPLEItischallengingyetreallyfascinatingtohikethroughthemountainsinthepathlessSarek.HikingthroughthemountainsinthepathlessSarek

ischallengingyetreallyfascinating.1Itisbothchallengingandrewardingtostudyabroad.2ItwouldhardlybepossibletogoonahikingtourinSarekinwinterduetotheextremecold.Studyingabroadisbothchallengingandrewarding.GoingonahikingtourinSarekinwinterwouldhardlybepossibleduetotheextremecold.3Honestly,itcanbebothexcitingandterrifyingtoexploreavastunknownland.

4Itisgoodtoadoptapositiveattitude,evenwhenthingsaredifficult.Honestly,exploringavastunknownlandcanbebothexcitingandterrifying.Adoptingapositiveattitudeisgood,evenwhenthingsaredifficult.5Itisstronglyadvisedtohirelocalguides,becausetheycanofferaccurateknowledgeofSarekcultureandhistory.HiringlocalguidesisstronglyadvisedbecausetheycanofferaccurateknowledgeofSarekcultureandhistory.Fillintheblanksusingthe-ingformofaverbfromtheboxandstateitsfunction.Onewordwillbeusedtwice.XixiNationalWetlandPark,

10squarekilometersinwesternHangzhou,isthefirstnationalwetlandparkinChina.

citylife,nature,andwetlandsmakestheparkapopulardestinationbothfortouristsandlocalresidents.AtXixi,

aboattour,coveringCombiningcombinecovergrowtakelimitwalkexperiencetaking

along

paths,and

localcustomsandtraditionsofthevillagesinthisparkareatthetopofthelistofpeople’sfavouriteactivities.Withtrees,bushes,andcolourfulflowers

alongtheriversides,theparkshowsdifferentsidesofbeautyindifferentseasons.Inordertobetterdevelopaswellaspreservethisplace,

humanimpactonXixiWetlandwasconsideredbytheexperiencing growinglimiting combinecovergrowtakelimitwalkexperiencewalking parkdesigners.Allthenewbuildingsweredesignedinatraditionalwaytofitintothenaturalenvironment.Thisgreen,wateryworldishometomanybirdsandfishes.Withtrees

intheshallows,thewetlandisanaturalsystemfo