“对……有好处”可表达为__________。例如：如果你伤害她，你将受到惩罚。Youllbepu
ished，_______________________________________________自主造句：______________________________________________________3Usethi
gsforaslo
gaspossibleas…aspossible意为__________，有时可表达为“as…assbca
”，“as…as”中间为形容词或副词的__________级。例如：当她听说那个消息的时候，她尽可能快地回家了。Whe
sheheardofthe
ews，__________．4Itisbettertousechi
acupsa
dclothbagsbecausetheyca
beusedma
ytimesIts＋adj＋todosth的意思_________________________________________例如：学好英语是重要的。__________________________________________自主造句：______________________________________________5．CompleteActivities4，5a
d6活动小结：首先自主学习，锻炼学生独立思考的能力；以小组为单位翻译课文，既发挥小组合作精神，使学生为了小组的荣誉会更加细心、认真，又调动了他们的学习积极性。逐句翻译，使学生能更深刻地理解课文。Step4Co
solidatio
Fi
ishtheexercisesReduceReducemea
s“useless”．Do
ot__1__thi
gsItsavesmo
eya
dreduces__2__a
dwastegoi
gi
tothee
viro
me
tBeforewebuysomethi
g__3__，thi
kwhetheritisreally
ecessarybecausemaybetheoldo
ewillbejustasgood！Whe
wedobuythi
gs，choose__4__productsifpossible，a
dtry
ottobuytooma
ythi
gsfromabroad1AuseBwasteC．buyDmake2Apollutio
B．populatio
CproductsD．progress3AbeautifulBcolourfulColdD．
ew4AcheapBexpe
siveClocalD．abroadReuseReusemea
s“useagai
”．Usethi
gsforas__5__aspossibleWhe
webuythi
gs，makesurethatthey__6__alo
gtimeWeshouldlookafterthemsothattheywilllast，a
dweshould__7__themifitis
ot
ecessarytothrowthemawaya
dbuy
ewo
esDo
tuseapapercuporapaperbagItsbettertouseachi
acupa
da
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chbox__8__youca
usethemagai
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gBshortC．muchD．little6AmakeBstayC．takeDlast7AbuyB．sellCrepairD．make8AbecauseBsoCifD．whe
活动小结：通过学习重点句型，提炼知识点，让学生能简单明了地认识知识点，从而更加牢固地掌握。Step5Writi
gWorki
pairsMakealistthi
gsyouca
dotomakeyourschoolgree
erCompleteActivities7a
d8可能的讨论结果：Do
tthrowbottlesawaybecauseitsbettertorecyclethemDotur
offlightssothatyouuselesse
ergyAllofustakea
activeparti
recycli
gprogrammesWeuseorbuyproductsmadefromrecycledmaterialsSuchas…，whydowerecyclethem？Because…youropi
io
．活动小结：让学生提升语言运用能力。Step6Homework1．ReviewU
it22．Chooseo
eofthetwoa
dfi
ishit1Makesugger