安徽省2023-2024同步达标自主练习·七年级第二次(期中)英语试题

安徽省2023-2024同步达标自主练习·七年级第二次(期中)英语试题正在持续更新，目前2025衡水金卷先享题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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1、2023-2024安徽省同步达标月考卷七年级下册英语
2、安徽省2023-2024学年度第二次月考试卷七年级上册英语
3、安徽省2023-2024年度第2次月考(期中)试卷英语七年级
4、安徽省2023-2024学年度七年级期中检测卷(二)英语试卷
5、2024至2024学年安徽省七年级上学期联考卷英语
6、安徽省2023-2024学年度七年级第二次阶段性诊断检测卷
7、2024至2024学年安徽省七年级
8、2023-2024安徽省同步达标月考卷七年级下册期中
9、2023-2024安徽省同步达标月考卷答案七年级
10、2023-2024学年安徽省七年级上学期联考卷(三)英语

They also looked at changes in metabolic rates(代谢率)，which measure how physicallyactive people are.Researchers found that the resting metabolic rate-the total number ofcalories the body burns while completely at rest-has declined by six percent since 1820.Researchers say metabolism plays a key role in producing body heat and much of this dependson how active a person is.So what's the cause of all this?"Instead of walking to work,we take cars or trains;instead of manual labor in factories,we use machines,"says lead author Andrew K.Yegian."We've made technology do our physical activity for us.Our hope is that this helps peoplethink more about the long-term changes of activity that have come with our changes inlifestyle and technology."The team also pulled data from two other studies to come up with an estimate of howmuch exercise Americans got in 1820 in comparison to today."This will bring great benefitsto my field of work because it can help us assess just how much increases in theincidence()of heart disease and Alzheimer's is related to deercases in physicalactivity,says Daniel E.Lieberman.28.What does paragraph 1 mainly tell us?A.Americans'way of working changes.B.There are different ways to exercise.951C.Humans'physical condition is getting worse.D.Americans exercise less than people did before.29.Why does the author use two numbers in paragraph 2?A.To provide an example.B.To make a comparison.C.To introduce a topic.D.To describe a phenomenon.30.What mainly results in Americans exercising less?A.The use of technology.B.The health condition.C.A change in metabolism.D.A lack of time.31.What can we infer about Lieberman from the text?A.He values physical exercise.B.His job is related to medical field.C.He is a patient with heart disease.D.He will estimate American future technology.Approximately one-third of all textiles()are produced from mineral resources andDare ill-suited for recycling."In the fashion industry,a great deal of clothing is produced muchtoo cheaply,and is of such a poor quality that people desert it after wearing it just a fewtimes.The majority of the deserted textile is unsuited for sale as second-hand textile,"saysPauline Harmsen,a senior researcher of Wageningen University &Research.Much of our clothing contains materials made from fossil()resources such as oil.This applies to some two-thirds of all the clothing produced in the world.Nevertheless,things must change in the future.Not only is the supply of fossil resources becomingdepleted,but much of the contemporary textiles also cannot be recycled.In clothing recycling,we see textiles being produced from recycled bottles.Textilerecycling is often difficult.This is because textiles are made up of different fibres that aredifficult to separate."If you really wish to recycle,you must start by considering the clothingproduction method.By designing clothing in such a way that the different materials can beeasily separated,or by using just one type of fibre,"says Harmsen.A programme for sustainable(可持续的)textiles was launched in Wageningen University&Research last year.Various researchers from different institutes are involved,fromtechnical material experts such as Harmsen to consumer scientists.It will take a while beforesustainable clothing made from natural resources finds the way into the fashion stores.【押题卷·英语（★）第5页（共8页）】