2024届河北高三省级联测考试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。

本文从以下几个角度介绍。

1、2024河北省高三四月联考
2、2023-2024学年河北省高三年级上学期10月联考英语
3、2023-202421届河北省高三联合考试
4、河北省2024高三名校联考英语
5、2023-2024河北英语联考试题及答案
6、2024年河北省三市联考卷英语答案
7、2023-2024河北省高三英语会考试卷
8、2023-202421届河北省高三年级11月份联合考试英语
9、2023-2024河北省高三四月联考
10、2023-2024学年河北省高三上学期12月份考试英语

DCan exercise during childhood protect you against memory loss many years later?Exercise early inlife seems to have lifelong benefits for the brain,in rats at least."This is an animal study,but it shows that physical activity at a young age is very important-not justfor physical development,but for the whole lifelong track of cognitive development duringageing,says Martin of the University of Toronto,Canada."In humans,it may put off the appearance ofAlzheimer's(阿a兹海默症)symptoms,possibly to the point of preventing them.“Martin's team divided 80 young male rats into two equal groups,and placed running wheels in thecages of one group for a period of six weeks.Around four months later-when the rats had reached middleage-the team taught all the rats to connect an electric shock with being in a specific box.When placed inthe box,they froze with fear.Two weeks later,the team tested the rats in three situations:exactly the same box in the same room,the same box with the room arranged differently,and a completely different box in a different room.The rats without access to a running wheel when they were young now froze the same percentage oftimes in each of these situations,suggesting they couldn't remember which one was dangerous.But those thathad been able to run in their youth froze 40 to 50 percent less in both changed box settings."The results suggest the amount of physical activity when we're young,at least for rats,has influenceon brain and cognitive health-in the form of better memories -when we're older,"says Arthur Kramer ofNortheastern University in Boston,who has found that,in humans,exercise improves the growth of newbrain cells.32.The study shows thatA.exercise when young can prevent memory loss when older in ratsB.physical activity is important for physical healthC.using the running wheels is of benefit to the rats'growthD.physical activity can prevent human's Alzheimer's symptoms33.What does the underlined word"it"in Paragraph 2 refer to?A.studyB.development C.benefitD.exercise34.How are Paragraph 3 and 4 mainly developed?A.By analyzing causes.B.By giving an example.C.By showing differences.D.By describing the process.35.What is the author's attitude towards the animal study?A.Surprised..B.Critical(批判性的).C.Objective(客观的).D.Doubtful.第二节（共5小题：每小题2.5分，满分12.5分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Aeyou thinking about traveling alone?You must have a million questions:Where should you go?Will there be someone to talk to?36 And is it all right to travel alone?In fact,traveling alone is not as scary()as it seems.Here are some good tipsChoose a place where you feel comfortable and safeTruth be told,traveling alone for the first time is more about the experience than the destination.37It could be somewhere close to home or somewhere you've already been with friends.Make a plan高一英语学科试题第5页（共8页）