uchmorecommo
amo
gWhitemalestha
malesofotherraces
Atha

Btha
amo
g
Ctha
issoof
Dcomparedto
Ei
compariso
with
thekeyＢ
比较考点：比较对象。amo
gWhitemalestha
amo
gmalesofotherraces
f164Because
aturalgasiscomposedmostlyofmetha
easimplehydrocarbo
vehiclespoweredby
aturalgasemitlessofcertai
polluta
tstha
thebur
i
gofgasoli
eordieselfuel
Alessofcertai
polluta
tstha
thebur
i
gofgasoli
eordieselfuel
Bfewerofcertai
polluta
tstha
bur
i
ggasoli
eordieselfueldo
Clessofcertai
polluta
tstha
gasoli
eordieselfuel
Dfewerofcertai
polluta
tstha
doesbur
i
ggasoli
eordieselfuel
Elessofcertai
polluta
tstha
thosebur
i
ggasoli
eordieselfuel
thekeyE
比较考点：比较对象。vehiclesthosebur
i
ggasoli
eordieselfuel
168BecausetheEarth’scrustismoresolidtherea
dthusbetterabletotra
smitshockwavesa
earthquakeofagive
mag
itudetypicallydevastatesa
area100timesgreateri
theeaster
U
itedStatestha
itdoesi
theWest
Aofagive
mag
itudetypicallydevastatesa
area100timesgreateri
theeaster
U
itedStatestha
itdoesi
theWest
Bofagive
mag
itudewilltypicallydevastate100timestheareaifitoccursi
theeaster
U
itedStatesi
steadoftheWest
Cwilltypicallydevastate100timestheareai
theeaster
U
itedStatestha
o
eofthecomparablemag
itudeoccurri
gi
theWest
Di
theeaster
U
itedStateswilltypicallydevastatea
area100timesgreatertha
willaquakeofcomparablemag
itudeoccurri
gi
theWest
fEthatoccursi
theeaster
U
itedStateswilltypicallydevastate100timesmoreareatha
ifitoccurredwithcomparablemag
itudei
theWest
thekeyD
比较考点：比较对象
177BiharisI
dia’spooreststatewitha
a
ualpercapitai
comeof111lowertha
i
themostimpoverishedcou
triesoftheworld
Alowertha
i

Blowertha
thatof
Ca
dlowertha
thatof
Dwhichislowertha
i

Ewhichislowertha
itisi

thekeyB
比较考点：比较对象
200400
205Certai
pesticidesca
becomei
effectiveifusedrepeatedlyi
thesameplaceo
ereaso
issuggestedbythefi
di
gthattherearemuchlargerpopulatio
sofpesticidedegradi
gmicrobesi
soilswitharelativelylo
ghistoryofpesticideusetha
i
soilsthatarefreeofsuchchemicals
ACertai
pesticidesca
becomei
effectiveifusedrepeatedlyi
thesameplaceo
ereaso
issuggestedbythefi
di
gthattherearemuchlargerpopulatio
sofpesticidedegradi
gmicrobesi
soilswitharelativelylo
ghistoryofpesticideusetha
i
soilsthatarefreeofsuchchemicals
fBIfusedrepeatedlyi
thesameplaceo
ereaso
thatcertai
pesticidesca
becomei
effectiveissuggestedbythefi
di
gthattherearemuchlargerpopulatio
sofpesticidedegradi
gmicrobesi
soilswitharelativr