内容正文:
新高考英语20— 2
小卷练透20
一、阅读理解(共7小题;每小题2.5分,满分17.5分)
阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项.
A
(2023广西高中毕业班联合调研考试)In1973,whenMelissaGreenewasin6thgrade,herparents
boughtthefirstapartmentonHutchinsonIslandonthesoutheasternAtlanticcast.Thefirsttimeshe
andhersiblingsrandowntothewildshore,theywereshockedbytheseashelsthere.Everytideleft
awracklineofseashels.Today,onthesamestretchofbeach,sherarelyfindsthelarge,undamaged
shelsthatwerecommoninherchildhood.“Itsashockingdifference,”shesays,“whatyoudontsee
anymorearethedeeppilesofwholeshels,quarterGsizedandabove,andthelargestshelsthatwesaw
foryears.”
Amongthemostadmirablenaturalobjectsthroughouthumanhistory,seashelscontainboththe
surpriseandwonderstilpromisedbyatriptothebeachandtheprofoundchangesunderwayonour
coasts.SomeofthelargestandbestGknownmarinemolusks(软体动物)havedeclinedunderfishing
pressure.TheyarealsoharmedbyrisingoceantemperaturesandacidifyingwatersandbyotherpoluG
tion.Theycanbereducedbythesevereerosion—apersistentproblemonHutchinsonIsland.
Withbeachesseeingrecordtourismnumbers,morepeoplecanmeanfewershels.“Itisnotas
muchindividualcolectingasthemanyramificationsofmassivetourism,”saysthepaleoGbiologist
MichalKowalewskiattheFlorida MuseumofNaturalHistory.“Masstourism meansmoreboats,
morebeachmaintenance,moremachinery,alcontributingtochangesinshorelines.”
Overtwentyyearsago,SanibelbecamethefirstcityintheU.S.tobanthepracticeofcolecting
andkilingmolusksfortheirshels.Delawaresstateparksareamongincreasingnumbersofstateand
nationalparkstakingsoGcaledlowGimpactbeachcombingastepfurther:Askingvisitorstoleaveempty
shelsalone,too.AtDelawareSeashoreStatePark,signsadvisevisitorsto“Leaveshelswherethey
layorsnapaphotoofamarinecritterinthesand.Afteral,thepointofenjoyingnatureisbecauseit
isinanaturalstate.”
1.WhyisthestoryofMelissaGreenementionedinthefirstparagraph?
A.TointroducereaderstoanAtlanticcoast.
B.ToshareMelissasattitudetowardsshels.
C.Toshowanoceanvilagesdevelopment.
D.Toleadinthetopicofseashelsdisappearance.
2.Howdoestheaut