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1、衡中同卷2023-2024高三二调英语
2、衡中同卷2024调研卷英语二
3、衡中同卷2024高三二轮专题卷答案英语
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7、衡中同卷2024答案英语(二)
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9、2024衡中同卷调研卷二
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More than half the world's population live in cities,and by 2050 the UN expects that proportionto reach 68%.This means more homes,roads and other infrastructure.In India alone,a city the sizeof Chicago will have to be developed every year to meet demand for housing.Such a constructionincrease is a bad sign for dealing with climate change,because making steel and concrete,two of themost common building materials,generates around 8%of the world's CO2 emissions ()If citiesare to expand and become greener at the same time,they will have to be made from something else.Wood is one of the most promising sustainable alternatives to steel and concrete.It is not,however,everyday wood that is attracting the interest of architects.Rather,it is a material called engineered timber.This is a combination of different layers,eachdesigned to meet the requirements of specific parts such as floors,panels and beams ()Designerscan use it to provide levels of strength like steel,in a product that is up to 80%lighter.In addition,engineered timber is usually made into large sections in a factory for future use,which reduces thenumber of deliveries to a construction site.According to Michael Ramage of the University of Cambridge,a wooden building produces 75%less CO2 than a steel and concrete one of the same size.However,if building with wood takes off,itdoes raise concern about there being enough trees to go round.But with sustainably managed foreststhat should not be a problem,says Dr Ramage.A family-sized apartment requires about 30 cubicmeters of timber,and he estimates Europe's sustainable forests alone grow that amount every sevenseconds.Nor is fire a risk,for engineered timber does not burn easily.Besides,fireproofing layerscan be added to the timber.All in all,then,it looks as if wood as a building material may get a newlease of life28.Why is India mentioned in paragraph 1?A.To point out the severe pollution.B.To predict the population increase.C.To indicate the high degree of urbanization.D.To show the great need for building materials.29.What can be learned about engineered timber?A.It is produced at a low cost.B.It hardly appeals to architects.C.It helps save energy in transportation.D.It possesses greater strength than steel30.What does the underlined phrase "takes off in the last paragraph mean?A.Becomes cheaper.B.Gains popularity.C.Requires less workD.Proves sustainable31.What is the main idea of the text?A.People should make future cities more attractive.B.It's important to live in a world with less emission.C.Building sustainable cities with woods is possible now.D.Let's grow more trees for future buildingD