安徽省2023-2024学年九年级上学期教学质量调研一英语试题正在持续更新，目前2024届最新高考模拟示范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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1、安徽省2023-2024学年度九年级期末检测卷英语
2、2023-2024学年安徽省九年级第一学期月考试卷英语
3、安徽2024年九年级质量调研检测二英语
4、2023-2024学年安徽省九年级上学期期末联考卷英语
5、2023-2024学年安徽省九年级第一学期月考试卷二英语
6、2023-2024学年安徽省九年级第一学期月考试卷(四)英语
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9、安徽省2023-2024学年度第二次月考期中试卷九年级英语
10、2023-2024学年安徽省九年级月考试卷1英语

30.Which is the best title for this text?A.Saving Endangered SpeciesB.A List of Endangered SpeciesC.The Causes of Global WarmingD.How Polar Bears Became Extinct31.What will the author probably discuss in the paragraph that follows?A.Some other ways to help endangered species recover.B.A brief discussion of polar bears and their diet habits.C.The impact of fishing laws on the development of Hawaii.D.Various opinions and debates concerning the cause of global warming.DVirtual reality can improve brain activity that may be crucial for learning,memory andeven treating Alzheimer's,a study on rats has found.After monitoring the rats'brain activity,researchers from the University of California LosAngeles discovered electrical activity in a region known as the hippocampus neuronsdiffered depending on whether the rats were placed in real-world or VR environments.The new findings are significant as the hippocampus is a primary driver of learning andmemory in the brain.When rats walk around in real life,electrical activity in the hippocampus appears tosynchronize(同步发生)at a rate of eight heartbeats per second.Heartbeats at this frequencyare generally known as "theta (0)waves",with stronger 0 waves seeming to improve thebrain's ability to learn and keep sensory information.When placed in a VR environment,therat's 0 waves became stronger."It turns out that amazing things happen when the rat is in virtual reality."said ProfMayank Mehta from UCLA.The scientists also found that VR environments could changedifferent electrical rhythms in different parts of the neurons,which indicates that scientistsmay be able to control human brain rhythms."This is a new technology that has great potential,"Mehta said.The study also indicateswhy VR may stimulate these unique brain waves.A big part of it,Mehta puts,may be down tothe very different set of stimuli presented in VR.英语第8页，共14页