九师联盟山西省20232024学年度高三无标题考试答案(英语)-答案易对

九师联盟山西省20232024学年度高三无标题考试答案(英语)正在持续更新，目前答案易对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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emn keratin角雀白）rom the ehr and transfo iin-fne6b15分)如图，已知四棱柱known as amyloid fibrs.Ihese keratin fibrils go on to be usednhe membrane(膜)of a fuel cell.Fue cells produce CO,free sleemeity from hydrogen and oxygen.releasn35.Only heat and water They conld pay m imporant mlesource in the future.At the heart of every fuel cell lies a semipermeable membrane.It allows protons(to pass through but blocks electrons,forcing them to flowthrough an sxternal crremi from the negatively charged anode to the ponitivelycharged cathode thereby producing electricity.n conventional fuel cells,these membranes have so far been nade using highlypoisonous chemicals,or "forever chemicals",which are expensive and don't breakdown in the environment.The membrane developed by the and clresearchers,on the other hand,mainly consists of biological keratin,which isnvironmentally coexistent and available in large quantities-chicken feathers are0%o keratin.This means the membrane produced in the laboratory is already up tthree times cheaper than conventional membranes.However,there are further challenges to overcome before hydrogen can becomesnble energyour.Hydrogntm abnd elment in theuniverjust nforunately not on Earth.It has to be produced,which requireagreat deal of energy.Here,too,the new membrane could serve well in the future,because it can be used not only in fuel cells but also in water splitting-The researchers will study how stable and durable their keratin membrane isthend improve it if neceary.e mearch s3人Pmembrane and is now looking for investors or companies to bringmarke32 Which word can best describe the food industry according to the first paragraph?A.Wasteful.B.Environment-unfriendly.C.Risky.D.Time-consuming.33.How is paragraph 4 mainly developed?A.By giving a definition.B.By giving examples.C.By making a comparison.D.By making34.What does the research team plan to do next?A.Perfect their technology.B.File a pater for the chaoldgy.C.FtheirhreD.Ptheypiation.2024年普通高等学校招生全国统一考试预测春英语试题第8页共13页

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九师联盟 山西省20232024学年度高三无标题考试答案(英语)

九师联盟山西省20232024学年度高三无标题考试答案(英语)