2024年衡水金卷先享题 分科综合卷 全国乙卷 英语(一)答案

2024年衡水金卷先享题 分科综合卷 全国乙卷 英语(一)答案正在持续更新,目前2026届炎德英才大联考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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According to a new study from Stanford scientists,many stoves are constantly giving out gases that can warm theplanet and pose serious health risks when breathed in.The research found methane missions from gas stoves across theUnited States are roughly equal to the carbon dioxide released by half a million gas-powered cars in a year.To estimate the impact of these emissions,researchers measured three key gases from stoves in 53 homes across sevenCalifornia counties.The team chose two gases-methane and carbon dioxide-because of their contribution to climatechange,and selected nitrogen oxides because of their known risk to human health.The scientists set up plastic dividingwalls between the kitchens and other rooms and uscd instruments that mcasure wavelengths of light to dctermine theconcentration of certain gases.The team estimated that stoves release between 0.8 and 1.3 percent of the natural gas they consume as unburnedmethanc.To their surprise,they found that more than three-quarters of the methane emissions happened when both old andnew gas stoves were turned off."Over a 20-year time scale,the global warming potential of methane leaks is 86 timesgreater than carbon dioxide,"Stanford reports.The most significant health risks happen when the stove is lit,the authors note,because the process creates nitrogendioxide as a byproduct.Increasing airflow by using a range hood can help reduce the personal health risk of naturalgas-burning appliances,but most individuals report rarely using their ventilation system.In a small kitchen,it only took a few minutes of unventilated stove use to generate emissions levels above nationalhealth standards.According to a meta-analysis from 2013,children living in homes with gas stoves were 42 percent morelikely to experience symptoms associated with asthma,and 24 percent more likely to be diagnosed with lifetime asthma.In addition to health risks,natural gas burning stoves also endanger the planet by releasing methane.The results of thestudy have furled efforts by scientists and activists to encourage Americans to switch to all-electric stoves and appliances.12.Which gas leaking from stoves warms the earth most?A.MethaneB.Carbon dioxide.C.Nitrogen oxide.D.Nitrogen dioxide.13.What does the underlined word "they"in paragraph 4 refer to?A.The measuring instruments.B.The American familiesC.The team membersD.The gas stoves.14.When does a gas stove present the greatest health risks?A.When it is old.B.When it is new.C.When it is turned on.D.When it is turned off.15.What would the researchers urge people to do?A.Equip kitchens.B.Switch to clean fuels.C.Use sustainable energy.D.Purchase electric stoves第二节1狂1克3(共5小题:每小题2.5分,满分12.5分)阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
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