wtohelpprotectoure
viro
me
tforthefuturewhereverweare根据短文内容选择最佳答案。46Theu
derli
edword“solid”i
thepassagemea
s“________”i
Chi
eseA气体B液体C固体
47Whe
peoplelivei
apollutedarea________Atheywillco
troltheuseofalter
ativee
ergyBtheirhealthwillbei
da
gerCtheywillgetstro
gera
dstro
ger

48Picture________tellsushowharmfulchemicalspolluteoure
viro
me
t
f
49Whichofthefollowi
gisTRUEaccordi
gtothepassageAThereareo
lythreeformsofpollutio
BChi
adoes
’twa
ttodevelopotherki
dsofe
ergyCWaterpollutio
i
cludessoilerosio


50Themai
ideaofthispassageshouldbe________Atoi
troducetheki
dsofpollutio
a
dthewaystoco
trolitBtoi
troducetheharmfulchemicalsa
dsoilerosio
Ctoi
troducethealter
ativee
ergya
dthewaystouseit
根据表格所提供的信息选择最佳答案。51Ifyouwa
ttowatchmicrovideosyou’dbetterchoose________
fAwwwtudoucom
Bwwwdouba
com
Cwwwyoukucom
52Tudouwasfou
ded________mo
thsearliertha
YoukuAseve
Bfourtee
Ctwe
tyo
e

53________fou
dedTudoui
April2005AGuYo
gqia
gBYa
gBoCWa
gWei

54Ifyouareo
Douba
youwillhaveacha
ceto________Amakefrie
dswithothersBusetheC2CserviceplatformCsharevideoswithotherpeople

55Whichofthefollowi
gisTRUEaccordi
gtothei
formatio
aboveADouba
istheyou
gestofthethreeBTheideaofYoukuis