全国100所名校最新高考冲刺卷英语2023届Y1

2023-11-04 16:04:46 4℃

全国100所名校最新高考冲刺卷英语2023届Y1正在持续更新，目前2026届黄冈八模答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

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serving as models for healthy living and long lives."As a general rule in biology,smaller animals have shorter lives than larger ones.But batsare rule breakers:they're the longest-lived mammals(晡乳动物)relative to their body size.Recently,scientists looked inside bats'cells for the secrets to their exceptionally long lives.They focused on telomeres ()which are the protective structures found at the ends ofchromosomes(染色体)，In most animals,telomeres tend to get shorter with age..But thetelomeres of the longest-lived group of bats,Myotis,do not appear to shrink (with age.Understanding why bats live so long may help humans live longer one day.In addition to living longer,bats remain healthy throughout their lives,with very low riskof developing cancer.Furthermore,bats can carry deadly viruses without getting sick.Sofurther research into their unique immune (systems may actually give insight into howpeople can live with viruses and not get sick.Beyond their own abilities,bats also support many other parts of their ecosystems.Threeout of every four bat species eat insects.Many are pests that cause damage to importantagricultural crops,such as cotton.Scientists estimate that insect-eating bats may save U.S.farmers about I billion per year.In addition,many bat species help improve plant health anddiversity."Bats are unsung heroes of biodiversity,"says Medellin."It's about time we appreciatedthem,”32.What can be leamed about bats from the text?A.They fly the fastest of all land animalsB.They are at low risk of falling sick with a virus.C.They live mainly on the islands of Antarctica.D.They are the longest-lived animals given their size33.What did scientists recently find?A.Animals'telomeres rarely shrink with ageB.Myotis's telomeres do not shorten as they age.C.Smaller animals usually live shorter lives than larger ones.D.More research into bat telomeres could help people live more healthily.34.What is the author's intention in writing the last paragraph but one?A.To show what bats feed on.B.To call on people to protect bats.C.To explain how bats benefit the farmers.D.To highlight the importance of bats to the ecosystem.35.What would be a suitable title for this text?A.Bats Offer Clues to Treating DiseasesB.How Bats Deal with Life's ChallengesC.Scientists Unlock the Secrets to Long LivesD.Why Bats Are Superheroes of the Animal World联合模拟考试英语试卷第6页共10页

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