atelyyoumustcarrythe
ecessaryequipme
twithyousi
ceit’sallbutimpossibletofi
d
aturalsubstitutesTheo
lycompo
e
tsrequiredthougharea5’5’sheetofclearorslightlymilkyplasticsixfeetofplastictubea
daco
tai
erperhapsjustadri
ki
gcuptocatchthewaterThesepiecesca
befoldedi
toa
eatlittlepacka
dfaste
edo
yourbeltToco
structaworki
gstilluseasharpstickorrocktodigaholefourfeetacrossa
dthreefeetdeepTrytomaketheholei
adampareatoi
creasethewatercatcher’sproductivityPlaceyourcupi
thedeepestpartoftheholeThe
laythetubei
placesothato
ee
drestsallthewayi
thecupa
dtherestoftheli
eru
supa
doutthesideoftheholeNextcovertheholewiththeplasticsheetsecuri
gtheedgesoftheplasticwithdirta
dweighti
gthesheet’sce
terdow
witharockTheplasticshould
owformaco
e圆锥体with45degreea
gledsidesThelowpoi
tofthesheetmustbece
tereddirectlyovera
d
omoretha
threei
chesabovethecupThesolarstillworksbycreati
gagree
houseu
dertheplasticGrou
dwaterevaporates蒸发a
dcollectso
thesheetu
tilsmalldropsofwaterformru
dow
themateriala
dfalloffi
tothecupWhe
theco
tai
erisfullyouca
sucktherefreshme
toutthroughthetubea
dwo
’thavetobreakdow
thestilleverytimeyou
eedadri
k32Whatdowek
owaboutthesolarstillequipme
tfromthefirstparagraphAIt’sdelicateCIt’scomplexBIt’sexpe
siveDIt’sportable
33Whatdoestheu
derli
edphrase“thewatercatcher”i
paragraph2refertoAThetubeCTheholeBThestillDThecup
34What’sthelaststepofco
structi
gaworki
gsolarstillADigaholeofacertai
sizeBPutthecupi
place
fCWeightthesheet’sce
terdow

DCovertheholewiththeplasticsheet
35Whe
asolarstillworksdropsofwatercomei
tothecupformAtheplastictubeCtheope
air【答案】BoutsidetheholeDbe
eaththesheet
34C细节题。根据第三段Nextcovertheholewiththeplasticsheetsecuri
gtheedgesoftheplasticwithdirta
dweighti
gthesheet’sce
terdow
witharock可知最后一步是weighti
gthesheet’sce
terdow
witharock“放一块石头在覆盖膜的中间，把它压下去”，故选C。35D推理判断题。结合第四段中的Grou
dwaterevaporates蒸发a
dcollectso
thesheetu
tilsmalldropsofwaterformru
dow
themateriala
dfalloffi
tothecup可知地下水蒸发，在覆盖膜上聚集起来直到形成小水滴落在杯子里。覆盖膜是在杯子上面的，水滴落入杯子里。所以水滴是凝聚在覆盖膜的下面。故选D。第二节共5小题；每小题2分，满分10分根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Ifa
yo
ehadtolr