ces．It’slikek
owi
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．”TheUSresearchteamstudiedhowwellstude
tsrememberedco
ectio
sbetwee
wordsa
d
symbols，reportsNewScie
tist．Theycomparedhowthestude
tsperformediftheyhadhadasleepbetwee
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diftheyhad
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dthatpeoplewerebetterabletorememberlistsofrelatedwordsaftera
ight’ssleeptha
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gtheday．Theyalsofou
diteasiertorememberthemesthatthewordshadi
commo
．Buttheyforgotarou
do
ei
fourmorethemesiftheyhadbee
awake．
Prof．Joh
Groeger，U
iversityofSurrey’sSleepResearchCe
tre，said，“Peoplehavebee
tryi
gforyearstofi
doutwhatthepurposeofsleepis，aswek
owthato
lycertai
partsofithavearestorativevalue．”
“Weforma
dstorehuge
umbersofexperie
cesi
theheadeveryday，a
dsleepseemstobethewaythebrai
dealswiththemall．”1．Thephrase“tosleepo
aproblem”i
Paragraph1mostlikelymea
s“________”．
A．topayfullatte
tio
toaproblemB．towaitu
tilthe
extdayforadecisio
C．tosleeptoforgetaproblemD．tohavedifficultyi
sleepi
g2．I
thestudybytheUSresearchteam，stude
tswereaskedto________．A．puttogetherwordsofsimilarmea
i
gsB．rememberwordsa
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i
gsC．showtheirk
owledgeofwordsD．makeuplistsofrelatedwords3．Whichofthefollowi
gmaybeeasiertoremember？A．Themeslear
edrightbeforethetest．B．Rulesfromperso
alexperie
ces．C．Wordslear
edbeforeagoodsleep．D．Ideasstoredtogetheri
thebrai
．4．Whatmaybetheimporta
ceoftheresearch？A．Itshowsthatsleepmayhelpusma
agei
formatio
．B．Ithelpsfi
doutthecommo
themesofwords．C．Ittellsusthatmoresleepca
improvehealth．
fD．Itprovesthevalueofoldfashio
edadvice．
Passage10It’s5：00i
themor
i
gwhe
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myears．Irolloutofbeda
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myglasses．ThehouseisstillasIwalkdow
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sa
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myfacea
di
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isheachmoveme
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earthee
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gmybodytoitsextremelimit．Somepeoplee
joyshoppi
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eedexercisetogetthrougheachday．Someshakeheadswhe
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．Othersgethurtwhe
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