[天一大联考]2024-2025学年(上)安徽高二9月份联考英语(译林版)答案

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This atmospheric water harvester used a material,known as a metal-organicframework (MOF).It can capture water repeatedly in the hottest and driest place inNorth America,Death Valley National Park.The tests showed the device could provideclean water anywhere,addressing an urgent problem,as climate change speeds updrought conditions."Almost one-third of the world's population lives in water-stressed areas.The UNpredicts that almost 5 billion people on our planet will experience some kind of waterstress for a significant part of the year 2050,said Omar Yaghi.He is the Berkeleychemistry professor who invented MOFs and is leading this study."This is quite relevantto taking advantage of a new source for water.Other kinds of materials,such as salts or hydrogels,cannot operate in extremeweather conditions,in an energy-efficient manner and with a high capacity all at once.The new MOF-powered harvesters can be an exceptionally powerful tool to address watershortage issues related to anything from drinking water to agriculture.This technologycan also be used to secure pure water in areas where water is plentiful but not clean.It's also extremely efficient at harvesting water,releasing as drinking water 85 to 90percent of the water it captures as atmospheric vapor.It harvested up to 285 grams ofwater per kilogram of the metal-organic framework in a day,the amount of a cup ofwater.It's also smaller than the earlier type but it is even more energy-efficient.Itproduced 200 grams of clean water per square meter of water vapor,more than threetimes the water productivity rate of the earlier type.There will likely be further developments in efficiency and size for this device.Yaghi said he could see one day the widespread adoption of household-based MOF-powered water harvesters,and community-scale water harvesters with the help of datascience and machine learning.Those could be in kitchens or even next to air conditionersto supply homes with clean water for cooking and cleaning.Some companies are alreadyworking on this,he said.28.What can we say about the new hand-held device?A.It helps improve air quality.B.It may solve water pollutionC.It can run without additional power sources.D.It is only suitable in the driest and hottest areas.29.What does the author intend to do in the third paragraph?A.To highlight the fact of water shortage.B.To show the necessity of the harvester.C.To advocate relieving efforts in water-stressed areas.D.To warn against the harm caused by climate change.30.How much water can we get using a harvester with two kilograms of the MOF daily?A.About 400 grams.B.About 485 grams.C.About 570 grams.D.About 360 grams.英语试题（附中版）第5页（共10页）

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