全国100所名校最新高考冲刺卷英语2023届Y1

金太阳联考 2023-11-07 10:56:34 40℃

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9.The fourth paragraph mainly talks aboutA.the way the UDN is operated nationwideB.the progress the UDN has made so farC.the reasons why the UDN is so popularD.the development stages the UDN has gone through10.What can be learned about Angela Moon?A.She used to live in despair.B.She failed to identify with others.C.She is receiving treatment now.D.There will be a cure for her condition.11.What can be inferred about the UDN's work mode1?A.It has helped spread the knowledge of undiagnosed diseases.B.It prioritizes participants privacy over solving medical mysteries.C.It is specifically designed to deal with challenging genetic diseases.D.It emphasizes close cooperation between specialists in separate fields.DAfter Scott Kelly spent a year in space,his genetic expression changed,accordingto a NASA study that compared the bodily changes between the astronaut and hisidentical twin,who stayed on Earth while Kelly was aboard the International SpaceStation.About 7 percent of Kelly's gene activity has yet to "return to normal"--almosttwo years after his yearlong spaceflight mission came to an end.Kelly has since retiredfrom NASA.The Twins Study,as it's been called,looked at what happened to Kelly -bothphysiologically and psychologically-before,during and after his trip in space,and thencompared that data to Kelly's twin brother,Mark Kelly,also a retired NASA astronaut.Unlike his brother who spent months at a time in space,Mark's missions were on theshorter side.His last--and longest--mission,which took place in 2011,lasted 15 days.“By measuring large numbers of the brother's metabolites,.cytokines(代谢物、细胞and proteins,researchers learned that spaceflight is associated with oxygendeprivation(匮乏)stress,increased inflammation(炎)，and nutrient changes that affectgene expression,NASA said.Although most of the biological changes Kelly experienced in space disappeared inthe hours and days (and in some cases?weeks)after his return to Earthy,NASA saidsome changes appear to have continued.While 93 percent of his genetic expression hasreturned to normal,several hundred "space genes"still have changed activity levels,thedata suggests,which,NASA said,could indicate "longer-term changes"in geneticexpression caused by the stresses of spaceflight.NASA said the research could provide important knowledge of the effects oflong-term spaceflight on the human body,and that it will influence its planning for amission to Mars,which would see astronauts spending some three years in space.Reacting to the news of the study results,Kelly expressed amazement at his body'schanges,and also used the opportunity to make fun of his brother."This could be goodnews,"he joked on Twitter."I no longer have to call Mark my identical twin brotheranymore.

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