yoverthepast50yearsaspipeli
ei
frastructure基础设施hasbee
i
stalledtodeliveritco
ve
ie
tlya
deco
omicallytomillio
sofreside
tial，commerciala
di
dustrialcustomersworldwide．Today，
aturalgasserviceisavailablei
all50statesi
theU．S．，a
distheleadi
ge
ergychoiceforfueli
gAmerica
homesa
didustries。Moretha
65millio
America
homesuse
aturalgas．I
fact，
aturalgasisthemosteco
omicalsourceforhomee
ergy
eeds，costi
go
ethirdasmuchaselectricity．I
additio
toheati
ghomes，muchofthegasusedi
theU
itedStatesisusedasarawmaterialtoma
ufactureawidevarietyofproducts，frompai
t，tofibersforclothi
g，toplasticsforheahhcare，co
puti
ga
dfur
ishi
gs．Naturalgasisalsousedi
asig
ifica
t
umberof
ewelectricityge
erati
gpowerpla
ts．3Naturalgasiso
eofthesafesta
dclea
estfuelsavailable．Itemitslesspollutio
tha
otherfossilfuelsources．Whe
aturalgasisbur
ed，itproducesmostlycarbo
dioxide二氧化碳a
dwatervaporthesamesubsta
cesemittedwhe
huma
sexhale．Comparedwithsomeotherfossilfuels，
aturalgasemitstheleastamou
tofcarbo
dioxidei
totheairwhe
combusted燃烧，maki
g
aturalgastheclea
estbur
i
gfossilfuelofa11．4TheU
itedStatesco
sumesabouto
ethirdoftheworldS
aturalgasoutput，maki
gitthelargestgasco
sumi
gregio
i
theworld．TheU．S．Departme
tofE
ergySE
ergyI
formatio
Admi
istratio
forecaststhat
aturalgasdema
dwillgrowbymoretha
50perce
tby2025．5Therearehugereservesof
aturalgasbe
eaththeearthssurface．Thelargestreservesof
aturalgasca
befou
di
Russia，Westa
dNorthAfricaa
dtheMiddleEast．LNG液化天然气hasbee
produceddomesticallya
dimportedi
theU
itedStatesformoretha
fourdecades．Today，theleadi
gimportesofLNGareJapa
，Korea，Fra
cea
dSpai
．23．Paragraph2_________．24．Paragraph3________．25．Paragraph4_________
3
26．Paragraph5________．A．Popularitya
duseof
aturalgasB．Naturalgasreservesa
dsupplyC．NaturalgaspricesD．Clea
fuelofchoiceE．Disadva
tagesof
aturalgasF．Naturalgasco
sumptio
27．Naturalgasisstoreddeep________．28．Naturalgasisrecog
izedasthemosteco
omicale
ergysource_________．29．Whe
ma
ufacturi
gma
yproducts，peoplecommo
lyuse
aturalgas____________．30．Itisestimatedthatby2025that
aturalgasdema
di
theU
itedStateswilli
crease_________．A．overthepast50yearsB．be
eaththeearthsurfaceC．bymoretha
50perce
tD．formoretha
fourdecadesE．asarawmaterialF．forhomee
ergy
eeds第4部分：阅读理解第3l～45题，每题3分，共45分下面有3篇短文，每篇短文后有5道题。请根据短文内容为每题确定1个最佳选项。第一篇HowtheFirstStarsi
theU
iverseCamer