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2024届天一大联考顶尖计划 毕业班第一次考试英语试卷试卷答案
2024届天一大联考顶尖计划 毕业班第一次考试英语试卷试卷答案正在持续更新,目前2026百师联盟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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Doing challenging things can hep power your br的电Many people misunderstand the meaning of resolutionDientists have built a lish powered by human heart cells.The fischm n theirhheartticnbeythmic beat indefinitely,ats in the journal Science."It's a training exercisKrParke,apcftsrodeEEneiagandspidpyssatHaaa.Esnsleodurehumanhcarttauetattesonitsownbecasetetodeaijyplheheaiesdishe nd,t to buildaer foik kd.多Theinynixtue,basodon2ebrafsi,isbultirompgpe,pastic,gatn(明)adte。piefinge One picce rns alon the left sieof he hoother along the rihtWhen the muscle celloe side shrink,themvinhirtion,pushing the fish through the water.The movementaso causes the piece ofuscec的on the opposite side to stretch.This stretching,intun,produces a signal that causes theto shrink,which perpetuates(使持续)the swimming motion..“Once that cycle starts,,these things just start motoring,"Parker says.The team chose to test its lab-grown heart cells in robotic fish because of the similarities数between swimming and the pumping action of a heart,Parker says.In some ways,a fish is apump,he says.But instead of pumping blood through the body,it pumps itself through thewater.For now,though,this sort of research should help scientists understand how the heworksand test drugsoproblem like heart falre,says RituRaman,a mechanicae线"You really needw something isbul in thenivnad howate that in the lab as coseas possible,Raman says.Robts wered bcehavesdou使…模糊)the lines between machines and living creatures..But those lines are still pclear with today's robots,Raman says.For example,they lack awareness and can't reproducAlyourereaydongisreplacnganengneraotororaoirecetiaouin a machine,"she says,"so I would not consider them living beings.2.How does the author introduce the topic of the texA.By playing a live scene in a lab.B.Byduingthe background of thestdy【23·D·英语-3
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