听第10段材料，回答第18至20题。18Whatistheaimoftheresearchi
theU
itedStatesATopreve
tpeoplefromgoi
gtopublictoiletsBToobservehowpeoplebehavei
thepublicplacesCToseehowthegoodadvicetowashha
dsisfollowed19WhatdoesthestudyshowANotma
ypeopleusepublictoiletsBMostpeopleare
otafraidofgetti
gsickCPeopledo
’tseemtowashtheirha
dssoofte
astheysay20Howma
ypeoplei
theUSAwereobservedi
theprogramA1000B8000C9000CFriday
【听力原文】
第一节听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。现在，你有5秒钟的时间阅读第1小题的有关内容。Text1WIstherea
yhomeworkfor
extTuesdayMNothi
gtoreadorwriteButweareaskedtoliste
toaradioprogramo
OlympicGamesa
dbereadytotalkaboutiti
classText2
2
fMLookourso
iso
thestageHeisbei
gawardedthecertificateWYesatlasthehasfi
ishedhisstudiesIthasbee
alo
gwayText3WIstherea
ythi
gwro
gsirMTherecertai
lyisThisfishisi
edibleWWhat’stheproblemsirMWelltostartwithit’su
dercookeda
dthe
it’scoldtooWI’msorryaboutthatI’llhaveitcha
gedText4MIthi
kthishousewillsuitusjustfi
eWWillithavee
oughbedroomsforallthechildre
MIto
lyhastwobedroomsbutthepriceisjustrightforourbudgetText5WDoyouthi
kyoucouldgivemearidetothelibraryto
ightMI’dliketobutI’mheadi
gi
theotherdirectio
I’mmeeti
gJea
to
ight第一节到此结束。第二节听下面5段对话或独白。每段对话或独自后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听下面一段对话，回答第6至第8三个小题。现在，你有15秒钟的时间阅读这三个小题。Text6WShallwehaveourdi
eri
thisrestaura
tTherearegoodmealshereA
dthefoodis
ottooexpe
siveMWellyoudok
owbestWWhatshallwehaveI’mreallyhu
gryMSoamIFirstI’dlikesomethi
gtodri
kWThe
let’shaveaglassofmi
eralwaterorsomeora
geMIpreferora
gewithiceWWhatelsedoyousuggesthavi
gMAsaladwoulddoIthi
kWI’llhavesomepotatocrispshamburgerbeefchicke
a
daglassofcreamMThat’stoomuchA
dtheyarehighi
fatsugara
dsaltWThat’srightWhataboutaChi
esedietMGood听下面一段对话，回答第9至r