桂柳文化 2024届高考桂柳鸿图模拟金卷(三)3英语答案

2023-11-12 15:20:25 20℃

桂柳文化 2024届高考桂柳鸿图模拟金卷(三)3英语答案正在持续更新，目前2024-2025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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限时特训40分钟·题型专练卷·英语BHundreds of millions have rolled up their sleeves for the COVID-19 vaccine,but why haven't题型四阅读理解—说明文they rolled up their pant legs instead?Why do we get most shots in our arms?What's the science behind why we get most vaccines in our arms?It's worth noting that most,but not all,vaccines aregiven in the muscle.Some vaccines are given orally.Others are given just beneath the skin.ButMany animals climb,but few do it as well as the spiders.These eight-legged creatures can bewhy is the muscle so important,and does location matter?anywhere.Now researchers have come up with surprising clues as to how spiders can stick to almostThere are important immune cells in muscle tissue.These immune cells recognize the antigenany surface.The structure of tiny hairs at the tips of the spiders'legs likely help them hang on()a tiny piece of a virus or bacteria introduced by the vaccine that stimulates an immunereClemens Schaber,who led the new study,said,"Adhesion,or stickiness,is an important partsponse.Thus,muscles make an excellent vaccine administration site.of that.Spiders don't have a sticky liquid on their feet.Instead,they use'dry'adhesion.AnimalsIn the case of the COVID-19 vaccine,the immune cells in the muscle tissue pick up these anti-that use dry adhesion can stick and unstick to surfaces easily."gens and present them to the lymph nodes().Injecting the vaccine into muscle tissue keepsAt the end of a spider's leg,there are some so-called hairs.At the tips of these hairs are small,the vaccine in a small area,allowing immune cells to sound the alarm to other immune cells and getflat structures that look like spatulas().When the hairs touch something,these spatulas formto work.Once a vaccine is recognized by the immune cells in the muscle,these cells cany the anti-新bonds with the surface and stick.Before this latest research,Schaber knew the hairs were importantgen to lymph vessels,which transport the antigen-carrying immune cells into the lymph nodes.for adhesion.He wanted to know more about why they worked so well.Lymph nodes,key components of our immune system,contain more immune cells that recognize theThey first tried to pull the hairs off the spider legs.But the whole leg often came off.This is aantigens in vaccines and start the immune process of creating antibodies().natural defense that the spiders use to escape their enemies.Then they used a powerful microscopeMuscle tissue also tends to keep vaccine reactions in the local area.If certain vaccines are in-to view the hairs up-close.Schaber expected that all the hairs would point in the same direction,jected into fat tissue,the chance of painful redness or swelling increases because fat tissue has poormore or less.But it wasn't like that.Instead,as the researchers looked at the tip up-close,they sawblood supply,leading to poor absorption of some vaccine components.the ends of the hairs were all a little bit different in direction.Another deciding factor in vaccine administration location is the size of the muscle.Adults and长The researchers then tested the stickiness of the hairs on different materials.They found thatchildren aged three and older tend to receive vaccines in their upper arm.Younger children receivesome hairs had the strongest adhesion at one angle.Others worked best at other angles.So this mixtheir vaccines in the middle part of the leg because their arm muscles are smaller and less devel-of angles and adhesions may help the spider stick no matter how it touches a wall.oped.Convenience and social acceptability should also be considered.As is known,olling up your"The study is quite interesting,"said Schaber."It shows us new ways to think about makingsleeve is way easier and more preferred.structures stick to surfaces."All things considered,when it comes to the flu shot and the COVID-19 vaccine,for most adults1.What did the researchers find in the study?and kids,the arm is the preferred vaccination route.A.Spiders'motivation to climb.5.Why do muscles make a good vaccine administration site?B.Spiders'sticky liquid on their feet.A.Muscles can easily recognize bacteria.C.The secret to spiders'ability to stick.B.Muscle tissue stimulates immune response.D.The existence of hairs on a spider's legsC.Muscle tissue contains vital immune cells2.What can we leam from paragraph 3?D.Muscles can prevent reproduction of virusesA.The real purpose of the study.6.What can be learned from paragraph 3?B.The shapes of so-called hairs.A.Lymph vessels perform transporting function.爱C.The stickiness level of so-called hairsB.Lymph vessels are critical to creating antibodies.D.The link between surface and stickinessC.Immune cells can automatically sound the alarm3.What surprised Schaber?A.The shape of spatulas.B.The number of tiny hairs.D.Immune cells give antigens to lymph vessels.D.The importance of tiny hairs.7.What could be a result of injecting vaccines into fat tissue?C.The direction of tiny hairs.4.What is the significance of the study?A.Poor blood supply.B.Better absorption.A.It shows us new ways to study animals.C.Local pain.D.Rapid fat loss.B.It gives humans more creative ideas.8.Where is the passage most likely taken from?C.It proves humans can climb as spiders.A.An advertisement.B.A journal.D.It helps to find a naturally sticky material.C.A speech.D.A novel.英语四第1页（共4页）英语四第2页（共4页）

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