2024届名校大联盟·高三月考卷(二)英语试题-2024-2025英语周报圈

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习全国1@0所名接单元测试示范卷教学札记turtle eggs.To pass on their genes,turtles have to live a long time and breed frequently,sometimes multiple times per year-and lay a lot of eggs.But the biological mechanism behind turtles'longevity is more complicated.One clue toturtles'longevity lies in their chromosomal telomeres(染色体端粒)，structures that cap the endsof chromosomes.These structures help protect the chromosomes as cells divide.Over time,telo-meres get shorter or degrade,which means they can no longer protect their chromosomes as well,leading to issues with DNA replication ()And errors in DNA replication can lead to issuessuch as cancers and cell death.But turtles show a lower rate of telomere shortening compared withshorter-lived animals.This means they're more resistant to certain kinds of damage.Scientists haven't confirmed the factors that contribute to turtles'long lives,but they havesuggested some ideas.According to a study,giant tortoises and a few other turtle species seem tobe able to protect themselves from the long-term effects of cell damage.They do this by quicklykilling off damaged cells.32.Why is it difficult for people to find out turtles'life limit?A.Turtles usually live far from humans.B.There's no relative recording in history.C.People can't live long enough to know that.D.There's no technology accurate enough for that.33.What's the use of chromosomal telomeres?A.Protecting chromosomes.B.Speeding DNA replication.C.Helping cells divide quickly.D.Making chromosomes shorter.34.What can we infer from the last paragraph?A.Turtles will live a much longer life than before.B.It's easy to confirm why turtles can live so long.C.Killing damaged cells quickly makes turtles live long.D.Scientists have found ways to make people live longer.35.What can be a suitable title for the text?A.How do people live a longer life?B.Why do turtles live such a long life?C.Why are telomeres important for humans?D.How does biological mechanism affect turtles?【答案与解析】科学家一直在研究鸟龟长寿的原因。32.C根据第2段最后一句可知，科学家们不知道许多海龟物种的寿命上限，是因为人类个体的寿命不够长。33.A根据第4段第2、3句可知，染色体端粒的作用是保护染色体。34.C根据最后一段最后一句可知，鸟龟可以快速杀死受损细胞，这可能是鸟龟长寿的原因。35.B本文主要探讨了乌龟长寿的原因。第二节（共5小题；每小题2.5分，满分12.5分）阅读下面短文，从短文后的选项中选出可以填人空白处的最佳选项。选项中有两项为多余选项。You put a great deal of effort into reaching the college of your dreams.It's time to get star-ted.But what's next?The beginning of college life can be an exciting but awkward time.Follow【23新教材·DY·英语-R-选择性必修第一册-G DONG】69

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