quietlyDbrightly
(3)
6
fThepopulatio
problemmaybethe1o
eoftheworldtoday.Theworlds
populatio
isgrowi
g
2.Twothousa
dyearsagotherewereo
ly250
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3theearth.Fourhu
dredyearsagothe
umber
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4
500millio
.Butatthebegi
i
gofthe
5ce
turythe
worldspopulatio
wasabout1700millio
.I
1970this
umberwas3600
millio
.I
1990the
umberwasfivebillio
.A
6reportsaysthatthe
worldpopulatio
will
7sixbillio
bythee
dofthe20thce
tury.Thisis
justte
8afterit
9fivebillio
.Peoplesaythatbytheyear
201010maybeseve
billio
.
1.A.greatB.greaterC.greatestD.greati
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tiethD.twelfth6.A.USAB.UNC.PRCD.PLA7.A.pastB.passC.passedD.passes8.A.weeksB.mo
thsC.seaso
sD.years9.A.getB.getsC.reachedD.reach10.A.thisB.itsC.o
eD.it
(4)
7
fFireca
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teresti
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Todaypeoplek
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(5)
8
fEverydaysomepeoplearekilledwhiletheyarecrossi
gtheroads.1ofthesepeopleareoldpeoplea
dchildre
.Oldpeopleareofte
killedbecausetheyca
tseeor2verywell.Childre
arekilledbecausetheyare
ot3.Theyforgettolooka
dliste
beforethey4theroads.
Acarorabusca
tstop5.Ifacarisgoi
gveryfastitwilltravelma
ymetres6itstops.Somepeopledo
talwaysu
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dthis.Theythi
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stop7afewmetres.Itisdifficultto8howfastacarismovi
g.Theo
lywaytocrosstheroadssafelyir