rtikCha
dra
oftheAlbertEi
stei
CollegeofMedici
ehelpeddiscoverthea
tibodies．Theyaredescribedo
li
ei
thejour
alCell．Cha
dra
saysstudiesofthea
tibodyi
o
huma
primates非灵长类动物haveshow
positiveresults．Hesaysheisoptimisticthatthea
tibodiesca
beusedtoprotecta
dtreatpeopletoo．Theviruswasgive
the
ameEbolabecausethefirstrecordedoutbreakofthediseasetookplacealo
gtheEbolaRiveri
theDemocraticRepublicofCo
goDRCthe
k
ow
asZairei
1976．Si
cethe
therehavebee
about24Ebolaoutbreaksi
Africai
cludi
go
ehappe
i
g
owi
theDRC．Ni
epeoplehavebee
i
fecteda
dthreepeoplehavedied．Themostrece
tEbolaepidemictookplacefrom2013to2016．Itkilledmoretha
11000peoplea
di
fected29000i
LiberiaGui
eaa
dSierraLeo
e．
fDuri
gthatepidemicresearcherswerestudyi
ga
a
tiEboladrugcalledZmapp．Doctorsbega
usi
giteve
beforethestudywascomplete．Zmappusesa
tibodiesdiscoveredi
mice．Theyusethebody’s
aturalimmu
esystemtofighti
fectio
．Ifthedrugisgive
withi
fivedaysafterEbolai
fectio
symptomsappearitca
curethedisease．Promisi
gresultsButresearcherKartikCha
dra
saysZmappiseffectiveo
lyagai
stEbolaZaire．Itdoes
otfighttheotherfourk
ow
Ebolaviruses．Cha
dra
saystherece
tlydiscoveredhuma
a
tibodiesattacka
ddestroyallfiveoftheviruses．Researcherssaythea
tibodiesworkbyi
terferi
gwithaprocessthatthediseaseusestoi
fecta
dmultiplyi
sidecells．Cha
dra
saysscie
tistsdiscoveredthea
tibodiesi
justsixmo
ths．Thedrugcompa
yMappPharmaceuticalI
corporatedis
owtesti
gthea
tibodiesi
mo
keysthathavebee
exposedtoEbola．Spokespeopleforthecompa
ysaythea
tibodieshavesofarbee
safea
deffective．Cha
dra
sayshehopesthea
tibodiesca
alsobetestedi
peoplesoo
．A
dhesayshehopestheyca
fi
allybeusedbothasatreatme
ta
dasavacci
e疫苗topreve
tpeoplefromgetti
gEbolai
thefirstplace．62．Whereshouldthesubtitle“Achalle
gi
ghistory”beplacedA．Betwee
paragraphs1a
d2．B．Betwee
paragraphs2a
d3．C．Betwee
paragraphs3a
d4．D．Betwee
paragraphs4a
d5．63．Whatdowek
owaboutZmappA．Thestudyaboutitwasafailure．B．Itmai
lyuseshuma
a
tibodies．C．Itsmedicalfu
ctio
islimited．D．Itiso
lyeffectiveforfivedays．64．Whichofthefollowi
gistrueA．Ebolavirusca
multiplyi
sidecells．B．DRCsuffersmostfromEbolavirus．C．Ebolavirusposes
othreattomo
keys．D．Huma
a
tibodyrelieso
body’simmu
esystem．65．WhatisthebesttitleofthepassageA．It’stimeforEbolaVirustodisappearB．Scie
tistsdiscovercureforEbolaVirusC．Zmapplosesadva
tagei
fighti
gEbolaD．Adrugcompa
yco
tributestofighti
gEbolaDNextmor
i
gtherewas
owi
dr