it________a
dseewhetheritworks
Atryout
Bworkout
Ccarryout
Dtur
out
Ⅱ．完形填空：
阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。（共20小题，每小题1分）
I
thepastma
did
othavetothi
kabouttheprotectio
ofhise
viro
me
tTherewerefewpeopleo
theeartha
d
aturalresourcesseemedtobe1
Todaythi
gsare2theworldhasbecometoo3Weareusi
gupour
aturalresourcestooquicklya
datthesametimeweare4oure
viro
me
twithda
gerouschemicalsIfweco
ti
uetodothishuma
lifeo
theearth5survive（生存）
Everyo
e6todaythatiftooma
yfisharetake
fromtheseatherewillsoo
be
o
eleftYetwithmoder
fishi
g7morea
dmorefisharecaughtWek
owthatiftooma
ytreesarecutdow
8willdisappeara
d
othi
gwillgrowo
thela
dYetwe9tousebiggera
dmorepowerfulmachi
esto10morea
dmoretrees
Werealizethatifriversarepollutedwithwasteproductsfromfactorieswewilldie11i
mostcou
trieswastesare12puti
toriversori
totheseaa
dthereare13lawstostopthis
Wek
owtoothatifthe14oftheworldco
ti
uestoriseattheprese
tratei
afewyearstherewill
otbee
ough15Whatca
wedotosolvetheseproblems
fItweeatmorevegetablesa
dless16therewillbemorefoodavailableforeveryo
eLa
dthatisusedtogrowcrops17fivetimesmorepeopletha
la
dwherea
imalsarekept
Our
aturalresourceswill18lo
gerifwelear
torecyclethemTheworldpopulatio
will
otrisesoquicklyifpeopleusemoder
methodsofbirth19Fi
allyifweeducatepeopletothi
kabouttheproblemsweshallhaveabettera
dclearer20i
thefuture
1．Abeautiful
Bu
limited
Crare
Dvaluable
2．Acommo

Bthesame
Ccha
geableDdiffere
t
3．Acrowded
Bsmall
Cdirty
Dbusy
4．Aprotecti
g
Bsavi
g
Cpolluti
g
Dfighti
g
5．Amay
ot
Bwill
ot
Cshall
ot
Dcould
ot
6．Awo
ders
Brealizes
Cco
sider
Ddiscovers
7．Apoles
Bboats
Cmethods
Dideas
8．Amou
tai
s
Bthesea
Ctrees
Dforests
9．Aco
ti
ueo

Bhave
Cought
Dgo
10．AgrowDcutdow

Bpla
t
Csave
11．AThusTherefore
BHowever
CGe
erallyspeaki
g
D
12．Astillcertai
ly
Beve

Calso
D
13．Atooma
yDfew
Bafew
Csome
14．Aproductio

Bpollutio

Cpopulatio

Drevolutio

15．Ahouses
Bvegetables
Cfood
Dlives
16．Afruit
Bmeat
Cfish
Dgrai

17．Afeeds
Bi
creases
Csupplies
Dhelps
f18．Ause19．Aco
trol20A
ature
BstayBbor
Bsea
CkeepCpla
Cpla
et
DlastDrewardDforest
Ⅲ．阅读理解：
阅读下列短文，从每题所给的四个选项中选出最佳答案。（共15小题，每小题2分）
A
Todayrollerskati
giseasya
dfu
Butalo
gtimeagoitr