启光教育 2023-2024学年度七年级第一学期期末学业质量监测(2024.1)英语答案

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改病句是国所名仪高与民以立奥卷resistance,a negativethe lack ofWhen a maea is superconductive,elcctricity flows through it with zertheorosscientific study frtaking haswhich mos none of the cnery involvedohet But cvery superconducior made so farnd山心g四Ranga Dias at the University of Rochester in New York and his colleagues claim to haveodw Ismadea material from hydrogen,nitrogen and lutetium that becomes superconductive at atemperature of justand a pressure of giasalThat is nearly 10,000 times theonthtnpreviou密superconducting material.Let's say vourein the 1940s when you saw aFerrari driving past you that's the level of difference between previous experiments and thlsone,”says Dias..To make the material,they placed a combination of the three elements into a diamondvia piece of machinery that compresses(samples to extreme pressures between twdimondd d.As the maril comd,itschanged from bue to red,封leading the researhers to nickm itde The researchers then ana sre of testsexamining the red matter'seetriaesstance and heat capacity,and how it ineracted withanapplied magnetic field.All the tests pointed towards the material being superconductive,they say.A room-temperature,room-pressure superconductor could make the electrical power gridfar more efficient and environmentally friendly.But researchers aren't dreaming about a线superconducting society yet."There's going to be a lot of observance,obviously,"saysHamlin,an expert at the University of Rochester.If all goes well,this could mark thebeginning of an energy revolution.32.What is the leading goal of materials science?A.Toproduce a material that is resistant to eleetricity flow.B.To develop a material that can generate heat without resistance.CTonderhtn sivmigpreeD.Tereaesuperconductive material ndrommrtrpre英语（七）第6页（共12页）【24新高考·JD·英语-G DONG]