高三2024年普通高校招生考试冲刺压轴卷(一)1英语L试题正在持续更新，目前2024-2025全国100所名校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。

本文从以下几个角度介绍。

1、2024年高考英语题型
2、2024新高考英语
3、2024高考真题
4、2024年高考外语
5、2024年高考英语考多少分
6、2024高考45套英语答案
7、2024年高考英语会取消吗
8、2024英语高考
9、2024年高考3+1+2
10、2024高考英语作文

DCould newborn neurons help treat Alzheimer's disease?Some scientists think so,whileothers doubt the cells even exist.The ability to distinguish between similar memories dependsona tiny strip of brain,tissue called the dentate gyrus.Studies in mice have shown that the dentategyrus is one of the few bits of the brain to generate new neurons even in adulthood.Those newneurons are thought to help keep similar memories distinct.Whether something similar happens in humans is less clear.But a set of new resultsdescribed this week at the Society for Neuroscience's conference in Washington,DC,suggestthat it might,And if it does,then encouraging the process might offer a new treatment forAlzheimer's disease.Until the 1960s,it was widely believed that adult brains did not produce new neurons.However,evidence began to arise of young neurons in the brains of adult rats and mice,specifically in the olfactory bulb and the dentate gyrus.These neurons were found to developfrom neural progenitor cells(祖细胞)，similar to stem cells(干细胞)，through a process calledneurogenesis,In mice with Alzheimer's-like symptoms,there were fewer young neurons in theirbrains,indicating a potential link between neurogenesis and the disease.However,studyingneurogenesis in humans is challenging as individual neuron growth cannot be observed usingMRI scanners.Recent research presented by Maura Boldrini,Maria Llorens-Martin,Orly Lazarov,andIongjun Song supports-the -existence of young neurons in the dentate gyrus of humans.Theirfindings indicate that neurogenesis slows with age and significantly decreases in Alzheimer'se,Previous studies by these researchers also found a positive link between the presence ofthese neurons and better memory in Alzheimer's patients.However,the research is not yetdefinitive,Some researchers question the staining techniques used and express concerns aboutthe limited number of progenitor cells found.The genes expressed in young human neuronsdiffer from those seen in neurons from other animals.Although not all scientists were convinced,some drug-makers appear to be.BiomedIndustries,a pharmaceutical()firm based in California,said that results from an earlyclinical trial suggested that a new drug that the firm claims increases neurogenesis in miceimproved memory in people with moderate Alzheimer's.32,Where do studies in mice show the generation of new neurons?B.Dentate gyrus.C.Olfactory bulb.D.Progenitor cells.A,Stem cells.【高考冲刺试卷（三）·英语第7页（共12页）】