WORD格式
Lesso
1Weca
readofthi
gsthathappe
ed5000yearsagoi
theNearEastwherepeoplefirstlear
edtowriteButtherearesomepartsoftheworldwhereeve
owpeopleca
otwriteTheo
lywaythattheyca
preservetheirhistoryistorecou
titassagaslege
dsha
deddow
fromo
ege
eratio
ofstorytellerstoa
otherTheselege
dsareusefulbecausetheyca
tellussomethi
gaboutmigratio
sofpeoplewholivedlo
gagobut
o
ecouldwritedow
whattheydidA
thropologistswo
deredwheretheremotea
cestorsofthePoly
esia
peoples
owlivi
gi
thePacificIsla
dscamefromThesagasofthesepeopleexplai
thatsomeofthemcamefromI
do
esiaabout2000yearsagoButthefirstpeoplewhowerelikeourselveslivedsolo
gagothateve
theirsagasiftheyhada
yareforgotte
Soarchaeologistshave
eitherhistory
orlege
dstohelpthemtofi
doutwherethefirstmoder
me
camefrom
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fWORD格式
Fortu
atelyhowevera
cie
tme
madetoolsofsto
eespeciallyfli
tbecausethisiseasiertoshapetha
otherki
dsTheymayalsohaveusedwooda
dski
sbutthesehaverottedawaySto
edoes
otdecaya
dsothetoolsoflo
gagohaveremai
edwhe
eve
thebo
esoftheme
whomadethemhavedisappearedwithouttrace
Lesso
2Whyyoumaywo
dershouldspidersbeourfrie
dsBecausetheydestroysoma
yi
sectsa
di
sectsi
cludesomeofthegreateste
emiesofthehuma
raceI
sectswouldmakeitimpossibleforustolivei
theworldtheywoulddevourallourcropsa
dkillourflocksa
dherdsifitwere
otfortheprotectio
wegetfromi
secteati
ga
imalsWeowealottothebirdsa
dbeastswhoeati
sectsbutallofthemputtogetherkillo
lyafractio
ofthe
umberdestroyedbyspidersMoreoveru
likesomeoftheotheri
secteatersspiders
everdotheleastharmtousorourbelo
gi
gs
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Spidersare
oti
sectsasma
ypeoplethi
k
oreve
earlyrelatedtothemO
eca
tellthediffere
cealmostatagla
ceforaspideralwayshaseightlegsa
da
i
sect
evermoretha
sixHowma
yspidersaree
gagedi
thisworko
ourbehalfO
eauthorityo
spidersmadeace
susofthespidersi
agrassfieldi
thesouthofE
gla
da
dheestimatedthatthereweremoretha
2250000i
o
eacrethatissomethi
glike6000000spidersofdiffere
tki
dso
afootballpitchSpidersarebusyforatleasthalftheyeari
killi
gi
sectsItisimpossibletomakemoretha
thewildestguessathowma
ytheykillbuttheyarehu
grycreatures
otco
te
twitho
lythreemealsadayIthasbee
estimatedthattheweightofallthei
sectsdestroyedbyspidersi
Britai
i
o
eyearwouldbegreatertha
thetotalweightofallthehuma
bei
gsi
thecou
try
Lesso
3
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Moder
alpi
iststrytoclimbmou
tai
sbyaroutewhichwillgivethemgoodsporta
dr
