icalDSupportive
4Accordi
gtothepassage______AthepreviousfossilsareageologicquirkBthepreviousfossilsaremadeupofstromatolitesCthe
ewlyfou
dfossilscomefromWester
AustraliaDthe
ewlyfou
dfossilshaveahistoryof37billio
years【语篇解析】文章介绍科学家发现距今37亿年前的化石。1D【解析】词义猜测题。根据文章第三段的句子＂Itgivesusa
ideahowourpla
etevolved＂这让我们了解星球是怎么形成的，下文是生命是怎么开始的。可知，＂gai
edafoothold＂意为＂开始＂。故选D。
3B【解析】观点态度题。根据文章最后一段的句子＂Shesaidtheevide
cewas
’tco
clusivee
oughthatitwaslifea
d
otageologicquirk地质巧合＂可知，AbigailAllwood对于新发现的化石态度是怀疑的。故选B。4D【解析】细节理解题。根据文章第一段的句子＂rem
a
toflifefrom37billio
yearsago＂和第二段的句子＂theresearchersdetermi
edthattheyare220millio
yearsoldertha
thosediscoveredi
Wester
Australiawhichwere348billio
yearsold＂可知，新发现的化石有37亿年历史。故选D。
Passage2
f话题意外中毒的主要原因及急救方法
词数304
难度★★★☆☆
参考用时6分钟
正确率
Doctorsi
hospitalemerge
cyroomsofte
seeaccide
talpoiso
i
gsAfrighte
edpare
tarriveswithachildwhoswallowedaclea
i
gliquidOrperhapstheharmfulsubsta
ceisamedici
eOritmightbeachemicalproductmea
ttokilli
sectsThesearecommo
causesofaccide
talpoiso
i
gI
caseslikethisseekmedicalhelpassoo
aspossibleSavetheco
tai
erofwhatevercausedthepoiso
i
gA
dlooko
theco
tai
erfori
formatio
abouta
ythi
gthatstopstheeffectsofthepoiso
Savea
ythi
gexpelledfromthemouthofthevictimThatwaydoctorsca
exami
eitMillio
sofpeoplek
owawaytosaveaperso
whoischoki
go
somethi
gtrappedi
thethroatThemethodiscommo
lyk
ow
astheHeimlichMa
euverorabdomi
althrusts腹部按压whichyouca
dobygetti
gdirectlybehi
dasitti
gorsta
di
gperso
Putyourarmsarou
dthevictim’swaistCloseo
eha
dtoformaballPlaceitovertheupperpartofthestomachbelowtheribsPlacetheotherha
do
topThe
pushforcefullyi
warda
dupwardRepeattheabdomi
althrustsu
tiltheobjectisexpelledfromthemouthForsomeo
ewhoispreg
a
torveryfatplaceyourha
dsalittlehighertha
with
ormalabdomi
althrustsRedCrossexpertssaytaki
gthesestepsca
savema
ylivesButtheyalsowar
thatabdomi
althrustsare
otforpeoplewhohavealmostdrow
edTheysayuseofthemethodcoulddelayotherwaystorestartbreathi
gi
thevictimAbdomi
althrustsshouldbeusedo
lyi
caseswherea
eardrow
i
gvictimischoki
go
a
objectTolear
moreaboutfirstaidaskahospitalororga
izatio
likeaRedr