2024年陕西省初中学业水平考试(B卷)答案(英语)

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(D)33.Why is PEDOT used in the production of a(B)31.What is one of the main purposes of thebattery-of-the-forest?stores run by 826?A.To replace cellulose fibers.A.To develop the leisure industry.B.To raise the acidity level in the battery.B.To provide inspiration for writing.C.To increase the storage capacity of theC.To collect unusual items.battery.D.To promote time travel.D.To make cellulose threads conductelectricity well.g(C)34.How does Berggren sound about thePeople tend to harvest trees for wood and papermaking.But maybeelectronic devices from the forest?electronics engineers are missing out on something here.It turns out thatA.Doubtful.two major building blocks of wood have a lot of electrical properties,says Magnus Berggren,a physicist in Stockholm,Sweden,whose teamB.Nervous.at Linkoping University has been working to make parts for electronicC.Optimistic.devices from the forest.They're currently focusing on two components ofD.Confused.trees:one can generate energy while the other can store that energy,muchas a battery doesThe first material is cellulose(纤雏素)，which is high in sugar molecules(分子)，all linked into a chain..And lignin(木质素)，the second material,is a structural component of plants.Until recently,scientists thought ligninonly did two things in green plants:transport water and provide structure.gBut a third role is starting to emerge,Berggren says.In its naturalform,he says,lignin works like a battery.Cellulose also has an interesting(A)35.Which can be a suitable title for the text?electrical quality:piezoelectricity-when squeezed ()such materialsA.The green battery:turning cellulose andrelease a flow of electrons or electricity.lignin into power sourcesFactories turn a tree's cellulose into paper,and then throw away itslignin.Berggren hopes to upcycle this waste.Batteries cause electrons toB.Traditional techniques:the continuingflow from one place to another,and in a battery,one material must giveuse of metals in electronicsup electrons while another must accept them.Lignin can both accept andC.Biological components:exploring non-donate electrons,scientists reported last year.A weak acid encourageslignin to release electrons.Make those electrons travel through a wire andelectrical functions of woodyou have electricity.Berggren's team used this quality to create its newD.Conventional batteries:investigatinglignin-based battery.current trends in energy storage第二节阅读下面短文，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。Typical batteries use a metal wire as a path to guide the flow ofelectronsRegret is defined as an emotion focused on the beliefinto or out of the device.However,to make a battery-of-the-forest,BerggrenFthat some event from the past could have been changed inused cellulose to replace metal.This natural fiber can serve as a wire-likeorder to produce a more desirable outcome.36 Or youpath for electrons.Berggren lined cellulose threads (with another chemicalcan take the negativity out of these feelings and turn yournamed PEDOT.It isn't from a tree.But when it's added to cellulose,thosethreadlike fibers can conduct electricity like a wire.And around that conductiveregrets into opportunities for growth and change.Here arecellulose,you can have a weak acid.Now you have a battery,Berggren sayssome tips on how to deal with feelings of regret positively:Berggren imagines one day having cell-phone batteries made largely食Reieionksiareaionshiproblefrom forest products.Tree-based electronics might also be useful inC.Feelings of regret can lead to physical discomfort.lighting,he says.D.Next time,you can handle a similar situation better.E.It means that you can recognize that you are learning,changing andyou can't avoid regret,you can reduce the influence of feelings ofolves making a choice to let go of the anger and disappointment youfeel about yourself.Practice self-acceptance.Accepting yourself(D)32.What does paragraph 4 mainly show?and your feelings does not mean you don't want toA.What the new battery is like.change things or do better.37 Remind yourselfB.How the new battery is used.Ethat the events of the past don't determine yourC.How the new battery is tested.future,and you are capable of making betterD.What the new battery is based on.choices in the future.C.Feelings of regret can lead to physical discomfort.D.Next time,you can handle a similar situation better.E.It means that you can recognize that you are learning,changing andBWecoid rgre,you c reduce the imuence offeof regret.G.It involves making a choice to let go of the anger and disappointmentyou feel about yourself.7

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