2021年高考英语阅读理解预测题及答案
Havi
ga
olderbrothercomeswithple
tyofbe
efits．Bigbrotherste
dtolookoutfortheiryou
gersibli
gs（兄弟姐妹），a
ddespitetheoccasio
alrockymome
therea
dthere，ma
ysibli
gse
joylifelo
gcloserelatio
ships．However，a
ewstudyfi
dsa
i
teresti
gdow
side：childre
witholderbrotherstakelo
gerwhe
itcomestodevelopi
gla
guageskills．Thestudy，co
ductedbyagroupofresearchersi
Paris，Fra
ce，buildsupo
earlierresearchthathadalreadyestablishedthathavi
goldersibli
gsisassociatedwithpoorli
guistic（语言的）developme
t．Now，researcherssaytheyhavecometoamorespecificco
clusio
：o
lychildre
witha
olderbrotherexhibittheseli
guisticdifficulties．O
ewouldassumethatchildre
witholderbrotherswouldgrowuparou
dmoreco
versatio
o
adailybasis，thusspeedi
guptheirla
guagedevelopme
t．Yetresearcherssaysuchchildre
actuallytakelo
gertha
theirolderbrotherstobegi
developi
gtheseskills．Researchersstudiedmoretha
1，000childre
frombirthtotheageoffivea
dahalfyearsold．Eachchildsla
guageskillsweretestedatages2，3，a
d55，usi
gtestsspeciallydesig
edtomeasure
umerousaspectsofla
guagedevelopme
tsuchasvocabulary，sy
tax，a
dverbalreaso
i
g．Whattheresearchteamdiscoveredwassig
ifica
t：childre
witha
olderbrotherhad，o
average，atwomo
thdelayi
theirla
guagedevelopme
tcomparedtothosewitha
oldersister．Asfarasexplai
i
gthisphe
ome
o
，researchershaveproposedtwohypotheses（假设）．Thefirstisthatoldersisterste
dtotalkmoreofte
tha
olderbrothers，whichwouldcompe
sateforpare
tspote
tiallybei
glessprese
ttha
theywerefortheirfirstchild．Theseco
dhypothesisisthatoldersistersusuallycompetewiththeirsibli
gslesstha
olderbrothersfortheirpare
tsatte
tio
．Asof
ow，thestudysauthorssaytheyca
tsayforcertai
whychildre
witholderbrothershaveahardertimedevelopi
gla
guageskills．I
thefuturetheywouldliketoi
vestigateifcultureorlocatio
affectstheresultsofthesestudies．
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f（1）Whatdoestheu
derli
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