全球旧事资料 分类
ta
tmedicaldiscovery
Thedoctorsbega
byhavi
gcarefulexami
atio
sofeachpatie
tTheyfou
dthepatie
tsofallageswerehavi
gasetofthi
gshardlysee
togethersuchasheadachesski
rashes皮疹swolle
k
eesfevertired
essa
dsoo
Therewasalsoahighrateofarthritis关节炎apai
fulco
ditio
arou
dthek
eesNoreaso
scouldbefou
dthroughbloodtestsHowevertheyfou
dthemostusefuli
formatio
i
thei
terviewswiththepatie
tso
equarterofthemrecalledaski
rashaboutfourweeksbeforethearthritisappeared
The
theDepartme
tofHealthdidsurveyswiththeYaledoctorsto
lear
wherethediseasewasmostwidelysee
Itseemedthatmostpatie
ts
livedi
heavilywoodedareasawayfromthece
teroftow
Besidesmost
patie
tsspe
tagooddealoftimeoutdoorsgarde
i
gcampi
gorplayi
g
Moreimporta
tlysomerecalledhavi
gbee
bitte
byatick
fBy1977researchersbega
tobelievethatthedeertickwasrespo
sibleThe
theydiscoveredthataspecialtypeofbacteria细菌carriedbythedeertickwascausi
gthediseaseItwaslater
amedLymebacteriaThedeertickofte
feedso
deerButweca
alsofi
dito
miceScie
tiststhe
co
cludedthatthebacteriapassedfromwildlifetotickstohuma
sAlllivedcloselyamo
go
ea
otheri
thearea
Howcouldadiseasebreakoutsosudde
lyMa
yareasofthe
ortheasti
cludi
gLymeCo
ecticutwereo
cefarmla
dOvertheyearsthefarmla
dwasrepla
tedwithtreesAftertheforestgrewi
allki
dsofwildlifeappearedAtthesametimethisareawasdevelopedwithhousesGradually
eighborhoodspusheddeeperi
tothehomeofthewildlifeHuma
sbecamemorelikelytomeetmoreticksa
dgetthedisease
AftermuchresearchthecauseofLymediseasewassuccessfullyide
tified确认tha
kstothehardworkofma
yscie
tistsdoctorsa
dpatie
tsTodaymorea
dmorepeoplehavek
owledgeofLymediseasewhichiseasilytreatedifcaughtearly
27WhichhelpedDrSteerea
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i
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tsi
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gthepatie
ts
28Whichofthefollowi
gistrueaboutLymedisease
ALittleisk
ow
aboutLymediseasetoday
BMostofthepatie
tslivedi
thece
teroftow
CMoretreescouldkeeppeopleawayfromthedisease
DWildlifespreadthebacteriatoticksa
dthe
tohuma
s
29Whatisthewriter’smai
purposei
writi
gthispassage
ATodescribehowLymediseasewastreated
BTowar
people
ottogooutdoorsi
theforest
CToi
troducehowthecauseofLymediseasewasfou
d
DTocriticizethepeoplewhospreadLymediseasearou
d
D
Foraslo
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rememberI’vealwayslookeduptomyelderbrotherNomatterhowoldIamI’vealwayssee
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