pla
kto
producesmore
tha
twiceasmuch
Despiteitse
ormousfoodpote
tiallittleeffortwasmadeu
tilrece
tlytofarm
pla
kto
aswefarmgrasseso
la
dNowscie
tistshaveatlastbegu
tostudythis
possibilityespeciallyasthesea’sresourcesappeareve
moreimporta
tasamea
sof
feedi
ga
expa
di
gworldpopulatio

Noo
eyethasseriouslysuggestedthat“pla
kto
burgers”maysoo
become
populararou
dtheworldAsapossiblefarmedsuppleme
taryfoodsourcehowever
pla
kto
isgai
i
gco
siderablei
terestamo
gscie
tists
O
etypeofpla
kto
thatseemstohavegreatharvestpossibilitiesisati
y
只要坚持梦想终会实现
7
f英语学习讲义
creaturecalledkrill磷虾Growi
gtotwoorthreei
cheslo
gkrillareamajorfood
sourceforthegia
tbluewhalethelargesta
imalevertoliveo
theEarthRealizi
g
thatthiswhalemaygrow100feeta
dweighabout150to
sitis
otsurprisi
gthat
eacho
eswallowsmoretha
o
eto
ofkrilldaily
Krillswimaboutjustbelowthesurfacei
hugeschoolssometimeswidemai
ly
i
thecoldA
tarcticBecauseoftheirpi
kcolortheyofte
appearasa
e
tire
reddishmasswhe
viewedfromashiporfromtheairKrillareveryhighi
food
valueIfkrillca
feedsuchhugecreaturesaswhalesma
yscie
tistsreaso
they
mustcertai
lybecompetitorsamo
gpossible
ewfoodsourcesforhuma
s
32Whichofthefollowi
gcorrectlydescribespla
kto

AIthasahigherfoodvaluetha
grassesBItisfoodformostsmallseaa
imals
CItca
growo
dryla
daswell
DItgrowsupi
thedeepwater
33Whydoestheauthorme
tio
”pla
kto
burgers”i
Paragraph3
AToshowscie
tists’i
teresti
pla
kto

BTodescribetheappeara
ceofpla
kto

CToquestio
thefoodpote
tialofpla
kto

DTosuggestpla
kto
asapossiblefoodsource
34Accordi
gtoParagraph4thebluewhale___________
Afeedsmai
lyo
krill
Bca
growupto150feet
CsuffersfromlackoffoodDwasbor
twoorthreei
cheslo
g
35Whichofthefollowi
gisTUREaboutkrill
ATheymai
lylivei
theArcitcBTheyareofgreatvaluetohuma
s
CTheyarethesmallestseaa
imalsDTheycomei
ma
ydiffere
tcolors
Happi
essdoes
’tmea
bei
gjoyfulorlaughi
galldaylo
gAlthough
happi
essshouldbedefi
edbyeachofusforourselvesage
eralu
dersta
di
gofit
couldbehavi
gmoregoodmome
tsa
dmemoriestha
bado
esa
dhavi
ga

overallfeeli
gsofsatisfactio
a
dfulfillme
t36_____Reado
a
dyouwillk
ow
thea
swer
37______Ma
yofushavetheimpressio
thatwe’re
otallowedtobehappy
只要坚持梦想终会实现
8
f英语学习讲义
a
dthatwedo
’tdeserveitWellwealldeservetobehappy
omatterwhatotherssayoreve
whatwebelieveSoallowyourselftobehappy
Smileeve
ifyoudo
’tfeellikeitYessmileasofte
asyouca
38_____Ifyour