ere
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do
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ca
walko
thebeachAperso
ca
otwalko

quicksa
dItistooloose
Falli
gi
toquicksa
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othurtItisalmostlikefalli
gi
towaterYourbodywillgodow
But
the
itwillcomeupPeopleca
floati
quicksa
dButtheymust
otfightthesa
dThatwouldmake
themgodow
Theyshouldmoveslowlyu
tiltheyfloat（漂浮）
Quicksa
disfou
di
ma
yplacesItisfou
d
earthemouthsoflargeriversThemouthofariveris
wheretherivermeetstheocea
ortheseaQuicksa
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do
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someplacesthewater
stayso
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The
itbecomesquicksa
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Willyougodow
i
quicksa
dYesbut
otallthewayYouwillfloatButyoushouldfloati
clea

waterQuicksa
distoodirty
66Ifyoufalli
toquicksa
d____________
A．youshouldmovefasta
dtryyourbesttogetout
B．youwillbego
ea
d
oo
ewillseeyouagai

C．itis
othi
gseriousa
ddo
’tbeafraid
67Aperso
ca
otwalko
quicksa
dbecause____________
A．itisda
gerous
B．itistoosoftC．itwillhurthim
68Youca
fi
dquicksa
d____________
A．i
ariverB．i
theocea
C．atthee
dsoflargerivers
69It’sdifficulttofi
dquicksa
di
____________
A．drycou
tries
B．Chi
a
C．America
70Peopledo
’tliketofloati
quicksa
dbecauseit’s____________
A．hot
B．cold
C．dirty
B
Whydowelikedri
ki
gwaterfromplasticbottlesSomepeoplethi
kitishealthya
dclea

Othersdri
kbottledwaterbecauseit’seasyyouca
carryitarou
dwithyouI
hotcou
trieslike
Greeceweofte
buybottlesofcoldwateri
thesummer
Howevermaki
glotsofplasticis
otagoodideaforma
yreaso
sFirstofallwe
eedalotof
oilforplasticproductsWeusuallyuseoilasasourceofe
ergyIfwereducedthe
umberofbottleswe
madewewould
’t
eedsomuchoilPlasticbottlesalsopollutethee
viro
me
tIfwerecycledallour
plasticbottleswewould
’t
eedsomuchspaceforrubbishdumpsButi
Greecewedo
’trecycle
muchoftheplasticweuseI
2006Greeksrecycledo
lyabout10ofplasticwasteTherestbecame
rubbisho
la
da
di
riversa
dseas
So
exttimeyouwa
ttothrowawayaplasticbottlei
thelitterbi
stopa
dthi
kIfyou
recycledityouwouldhelpthee
viro
me
tButwhatca
youdowhe
thereis
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gbi
ear
youWelltherearelotsofusefulwaysthatca
useyourbottlesagai
Forexamplea
emptybottle
makesagreatpiggyba
kforyourpocketmo
eya
difyoucuti
halfyouwillhaveapla
tpotGo
gree
Youca
makeadiffere
ce
71Whatis
otme
tio
edaboutbottledwateri
thispassage
AIt’shealthyBIt’sclea
CIt’sexpe
sive
72Plasticproductsaremadefrom________
Ae
ergy
Boil
Crubr