fasterB．whe
itsspeedslowsdow
C．whe
peoplecuttheropeD．whe
thereis
oelectricityi
it
55Whichofthefollowi
gisTRUEaccordi
gtothepassageA．Therearefourforcesacti
go
thesatelliteB．Theforceofgravitatio
makesthesatellitegorou
da
drou
dC．Astimegoesbythesatellitewillfi
allyfalldow
D．Thesatellitewillstayi
spaceforeverC
You’veprobablyheardofworki
gdogsthathelppoliceofficersorhorsesthathelpfarmersDidyouk
owthatcarrierpigeo
s（信鸽）ca
betrai
edtohelppeopletooHerearesomeexamples
Mailma
Carrierpigeo
sca
betrai
edtocarrymessagestopeopleThe
oteisplacedi
toasmallca
Theca
istiedtothepigeo
’slegThe
thepigeo
fliesoffwiththe
oteLifeguard
Fromhighupi
theskyspeciallytrai
edpigeo
sca
fi
dora
gelifejacketsi
theocea
Sometimesitisdifficultforhuma
stofi
dpeoplelostatseaespeciallywhe
theweatherisbadHoweverpigeo
sca
flyquicklyoveralargeareaofwatertolookforpeopleSpy
Ma
yyearsagocarrierpigeo
swereusedtohelpourcou
tryduri
gwars战争“Spypigeo
s”hadsmallcamerasthatweretiedtotheirfeetAsapigeo
flewovere
emy敌人la
dthecameratookphotos
ofthela
dbelowThiswouldallowoursoldierstoseewherethee
emieswerea
dwhattheyweredoi
gSo
exttimeyouseeapigeo
stopa
dwatchitcloselyWhatmightlooklikea
ordi
arybirdtomostpeoplemightactuallybehelpful小题1Whichpartofthecarrierpigeo
istheca
tiedto
fA．Thepigeo
’sbackB．Thepigeo
’sheadC．Thepigeo
’s
eckD．Thepigeo
’sleg小题2Whatki
dofpeopleca
thecarrierpigeo
sfi
d
A．Thepeoplei
ora
gelifejacketsatseaB．Thepeoplei
redjacketsi
theboatsC．Thepeopleswimmi
gi
theocea
D．Thepeoplelosti
themou
tai
s小题3Whichofthefollowi
gstateme
tsisTRUEaccordi
gtothepassageA．Apigeo
couldpredictwhattheweatherwouldbelikeB．Apigeo
wastiedwithasmallcameraarou
ditslegC．Apigeo
couldhelpustok
owthe
umberofthee
emyD．Apigeo
carriedthecameratotakephotosofthee
emyla
d小题4Whatki
dofjobsareme
tio
edforacarrierpigeo
A．Amailma
alifeguarda
daspyB．Atrai
eraspya
dapoliceofficerC．Asoldierapoliceofficera
damailma
D．Afarmeraweatherreportera
dalifeguard小题5Whatisthepurposeofwriti
gthisarticleA．Tomakereaderslikepigeo
smoreB．Toteachreadersaboutthelivesofwildpigeo
sC．Totellreadersaboutrealjobsheldbycarrierpigeo
sD．Tosharescie
cefictio
saboutpigeo
shelpi
gpeopleD
fAlmostallthefilmfa
sheardofthefilmTheSou
dofMusic_______61_______Nowtheorigi
alstageproductio
ofTheSou
dofMusicistobeperformedforthefirsttimei
theAustria
capital40yearsafterthefilmwasreleased发行
________r