Unit13SectionAGrammarFocus—4c第1頁Ⅰ．短語溫顧1.河床底部______________________2.充滿了垃圾_____________________3.產生影響________________________4.聽說_____________________5.到當前為止________________________6.對……有害_____________________7.……數量__________________________8.給……帶來危險__________________9.不但……而且…______________________10.砍掉；割掉_____________________【課前準備】thebottomoftheriverbeharmfultohearofbefullofrubishthenumberofbringdangertonotonly…butalsocutoffsofarmakeadifference第2頁Ⅱ．短語知新1.參加______________________2.代替______________________3.采取行動_____________________4.關掉_______________________5.付費__________________________6.累加______________________7.使用公共交通_______________________8.負擔不起做某事____________________【課前準備】can’taffordtodosth.takepartininsteadoftakeactionturnoffpayforaddupusepublictransportation第3頁1.TheshoesaresoexpensivethatIcan’t____________(買得起）them.2.Weshoulduse____________(可重復使用）chopstickswhenweeatoutside.3.Whatdoyouthinkofthe____________(交通）inChina?4.TheSpringFestivalis____________(認為是）themostimportantfestivalinChina.5.Wecansave____________(電）byturningoffthelightswhenweleavearoom.自學自查：依據漢語提醒完成單詞。affordreusabletransportationconsideredelectricity第4頁經典例句所用語法MakeupnewsentencesWearetryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.

Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.現在進行時am/is/are＋doing語法總結讀GrammarFocus表格內句子，了解每個句子所用時態、語態、情態動詞及usedto結構。Discussinpairs/groups.usedto＋do普通現在時被動語態：

am/is/are＋done現在完成時：has/have＋done情態動詞＋do第5頁Haveyouevertakepartinanenvironmentproject?Whatshouldyoudotosavetheenvironment?

①turnoffthelightswhen…②usethepaperbags..③walktoschool……Wecan________________________________.Lead–in4a.第6頁4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever

____(have).Havetakenhelpedconsideredhadhad參加第7頁Joe:Howmanypeople____(take)part?Eric:I_____(think)morethan1,000people______(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Eric:Yes,wecan’taffordto____(wait)anylongertotakeaction!tookthinkcametryingwaitv.

負擔得起(后果);買得起第8頁4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you____savemay/mightmustcancanwouldcouldhavetoshouldmustmay/might第9頁electricitybyturningoffthelightswhenyouleavearoom.You______alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you__________rideyourbikeorwalk.Ifit’sfar,you__________takethebus.Allthese

couldhavetocan/shouldcan/could關掉adj.可重復使用付費;付出代價第10頁smallthings______addupandbecomebigthingsthat_______improvetheenvironment.Let’stakeactionnow!couldwould/can采取行動第11頁4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運輸);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(餐巾紙);recyclebooksandpapergrowmoreplantsreducetheuseofairconditionsinsummer第12頁1.The

girl

always

has

some

money

to

___

snacks

A.

spend

B.

pay

for

C.

take

D.

cost2.

It's

getting

dark.

Please

________

the

light.

A.

turn

on

B.

turn

off

C.

turn

down

D.

turn

around

【當堂檢測】Ⅰ.單項選擇BA第13頁3.–How

does

Jack

usually

go

to

work?

—He

______

drivea

car,but

now

he

______theretoloseweight.A.

used

to;

is

used

to

walk

B.

was

used

to;

is

used

to

walkingC.

was

used

to;

is

used

to

walk

D.

used

to;

is

used

to

walking

4.

—At

present,one

of

the

best

ways

to

study

isworkingin

groups.

—More

chances

_______

to

students

to

learnfromeach

other.

A.

offer

B.

are

offered

C.

have

offered

D.

are

offering

BD第14頁Ⅱ.依據漢語意思完成句子。5.