GMAT（VERBAL）逻辑推理模拟试卷13题后含答案及解析
题型有：1jpg，现在让我们推证的是→稍加分析不难发现，→D，因此A正确，请注意此类题的思维。知识模块：逻辑推理
17．O
tur
i
g65yearsoldeveryo
elivi
gi
thetow
ofMalto
becomeseligibletoreceiveacardthatguara
teesdiscou
tso
mostgoodsa
dservicessoldi
thetow
Ce
susrecordsfor1990showthat2450i
habita
tsofMalto
tur
ed64i
thatyearYeti
1991over3000peopleappliedfora
dproperlyreceiveddiscou
tcardsSoclearlysomeofMalto
’spopulatio
growthbetwee
1990a
d1992mustbeattributabletomigratio
i
tothecitybypeoplei
theirmid60‘sWhichofthefollowi
gisa
assumptio
o
whichtheargume
tdepe
ds
A．Thetow
ofMalto
has
ocompletece
susrecordsfor1991B．Theoverallsizeofthepopulatio
ofMalto
grewbyover500duri
g1990C．Fewerpeopleappliedfora
dreceiveddiscou
tcardsi
1991tha
didsoi
1992D．Amo
gthepeople65yearsoldorolderwhomovedi
toMalto
i
1991therewas
oo
ewhodid
otapplyforadiscou
tcardE．I
ge
eralpeoplewhoappliedfora
dreceiveddiscou
tcardsi
1991firstbecameeligibletodosoi
thatyear
正确答案：E解析：本题数字比较多，因此很多人在做题时产生了困惑。实际上，本题属于“B，A”型的假设，基本思路应为没有他因。E说明1991年没有那些以前有权申请该卡却没有申请的人，指出了段落结论成立的一个必要条件，若对E取非，那么就表明1991年相比较1990年出乎意外的500多人是由于那些早已有权利申请但却没有申请的Malto
城的人，那么结论必将错误。因此E正确；A、B均为无关选项；C为新的比较；D易误选，但D只说明1991年移居的65岁或以上人中都申请了折扣卡，如果对D取非，那么就表明有人没有申请，但上面结论仍然可以成立，因此D最多可作为一个支持。知识模块：逻辑推理
18．TheCha
terelleatypeofwildmushroomgrowsbe
eathhosttreessuchastheDouglasfirwhichprovideitwith
ecessarysugarsTheu
dergrou
dfilame
tsofCha
terelleswhichextractthesugarsi
tur
provide
utrie
tsa
dwaterfortheirhostsBecauseofthismutuallybe
eficialrelatio
shipharvesti
gthecha
terellesgrowi
gbe
eathaDouglasfirseriouslye
da
gersthetreeWhichofthefollowi
giftruecaststhemostdoubto
theco
clusio
draw
above
A．The
umberofwildmushroomsharvestedhasi
creasedi
rece
tyearsB．Cha
terellesgrow
oto
lybe
eathDouglasfirsbutalsobe
eathotherhosttreesC．Ma
ytypesofwildmushroomsarefou
do
lyi
forestsa
dca
oteasilybegrow
elsewhereD．Theharvesti
gofwildmushroomsstimulatesfuturegrowthofthose
fmushroomsE．You
gDouglasfirseedli
gsdiewithoutthe
utrie
tsa
dwaterpr