2024年100所名校高考模拟金典卷 24新高考·JD·英语-Y 英语(1-5)答案

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and observing a wound or by swabbing(用拭子擦拭)it and conducting a laboratory test.But removing a wound dressing can slow down the healing process.Plus,observationsare subjective,while swab tests take time and require that a patient be physicallypresent.To address these issues,some research teams are developing devices that sit underbandages and continuously monitor indirect signs of infection,such as changes in woundtemperature or acidity.And scientists at the National University of Singapore have nowcreated an even more direct infection sensor.This sensor can detect an enzyme()called DNase.The enzyme acts as a reliableinfection indicator because disease-causing bacteria produce it in large amounts insidewounds,whereas bacteria on healthy skin do not-so testing for the substance reducesthe chance of a false positive result.Furthermore,DNase builds up before otherinfection signs appear.The new alert system,nicknamed the "wireless infectiondetection on wounds"(WINDOW)sensor,was detailed in Science Advances.WINDOW's enzyme-sensing parts rely on a material called DNAgel.Theresearchers developed a particular kind of DNAgel that remains stable in wateryenvironments,such as the human body,but begins to break down in the presence ofDNase.They connected this gel()to a chip that senses when the gel responds bysending a signal to a smartphone.Thus far,the team has exposed the DNAgel to wound swabs from 18 people'swounds to see how much the material-degraded in the presence of the bacteria.Theresearchers also used the device on six living lab mice whose wounds were exposed to thesame bacterial species,and it successfully detected infections.28.What is the first paragraph mainly about?A.The harm of common wounds.B.The treatment of infected wounds.C.The intervention on wound healing.D.The dilemma of infection observation.29.How does the WINDOW sensor detect infections?A.By comparing wound acidity.B.By detecting the DNase enzyme.C.By measuring the bacteria amount.D.By observing changes in wound color.高三·英语第4页(共10页)

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