广西省2023年八桂智学9月高三新高考联考英语试题查看

广西省2023年八桂智学9月高三新高考联考英语试题查看正在持续更新,目前2024届周测卷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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29.What does the underlined word "tumble"in Paragraph 4 probably mean?A.remain uncertainB.keep steadyC.go upD.go down30.What does the fifth paragraph mainly talk about?A.The usages of insects.B.The species of insectsC.The companies of insectsD.Immune systems of insects.31.What is people's attitude toward the insect protein?A.Objective.B.Positive.C.Unconcerned.D.Curious.DDandelion (seeds can travel for miles before finally floating down and settlingsomewhere new.Researchers recently discovered how the plants decide to spread."We noticedthat the dandelion parachute (is closed in foggy mornings but then open again when thesun is up during the day,"according to Naomi Nakayama,a researcher of bioengineering."Thedandelion uses a bunch of hairs to improve air drag and aid its flight.Unlike insects or birds,they don't need any energy input to fly a long distance-even hundreds of kilometers-theysimply catch the wind."Researchers discovered the parachutes open and close using what they say is like anactuator(触动器),a device that changes energy and signals into movement..But this actuatordoesn't use any energy.The middle of the dandelion's parachute is able to sense the amount ofhumidity(湿度)by absorbing water molecules(分子)in the air.Using signals about humidityinformation,they either open their parachutes and fly off or they close them and stay where theyare."The center of the parachute changes its shape,moving the hairs altogether in harmony,"Nakayama says."It's basically a sponge made of no-longer living plant cells,which are arrangedin a tube empty inside.The inner side and the outer side swell with water to different degrees,and that drives the movement."Knowing what causes dandelions to spread their seeds could help scientists learn how theydeal with climate change.They say understanding the response could help researchers designnew soft robots,which are those made from flexible materials that imitate soft bodies."Howplants move their body parts are different from animals and a simple,localized expansion couldbe enough to move arms,"Nakayama says."Movement of a few arms has been achieved,butthis is the first of many arm actuators.It is simple in design,so there is a lot of space forbiomimicry(仿生学).”32.What makes the dandelion fly?A.Energy.B.Wind.C.Fog.D.Parachute.33.How do the dandelion parachutes decide to work from the second paragraph?A.By spreading their seedsB.By changing energy into movement.C.By feeling humidity information.D.By staying where they are.高三英语摸底考试试卷第6页(共10页)
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