【培优练习】Unit 2（英语人教必修五）

《【培优练习】Unit 2（英语人教必修五）》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Unit2TheUnitedKingdom培优练习本课时编写：庄浪二中程瑛瑛(时间：100分钟；满分：120分)一、阅读理解(共15小题；每小题2分，满分30分)AThebrainisaremarkablepart.It’sresponsibleforthoughtsandfeelings.Nowanewstudyfindsthatgoingthroughtoughtimesasakidalsocanhaveanimpact.Theadultbrainsofpeoplewholivedthroughlotsofstressbeforetheag

2、eofsix—andthenbecamedepressedoranxiousasteenagers—weredifferentcomparedwithadultswhohadaneasierchildhood.Itseemsthatteenschangedtheshapeoftheirbrainsbyinternalizing(使内在化)thestressesexperiencedyearsearlier.Researchersalreadyknewthattheshapeandsizeofachild’sbraincanchangeinres

3、ponsetolotsofstress.Theyalsoknewthatadultsweremorelikelytobedepressedif，askids，they'dlivedinpoverty.Somestudiesshowedthatthesedepressedadultshadunusualchangesintheirbrainshape.Butnoonehadtestediftheearlystressandlaterbrainchangeswerelinked.ScientistsinEnglandstudiedalmost500

4、boysfrombirthuntiltheagesof18to21.SarahJensenisoneofthenewstudy'sauthors.Almostalloftheboysherteamstudiedexperiencedsomehardtimesaskids.And,sheconcludes，“Thisisnotnecessarilyharmful.”Tosomeextent，that'sjustlife.Whatcanbedangerous，shesays，iswhenchildrenexperiencetoomanyformso

5、fdifficulties.Herteam’snewdatasuggestthatthetougherthechildhood，thestrongertheimpactonthebrainmightbe.What’shappeningintheworldaroundusrelatestohowwefeel.Herteamlinkedmorechildhoodstresstomoredepression.Still，shenotes，it’spossiblethatifyoufindsupportforanxietyordepression，yo

6、umightbeabletopreventthechangesseenhere.“Ifyoucanchangetheenvironment，youcanchangethecourseofthings，”Sarahsays.So，sherecommends，ifteensdevelopanxietyordepression，it’sgoodtoaskforpsychologicaldoctorstogiveadvice.1．Whenpeoplehadahardchildhood，．A．theywillhaveabraveattitudetolif

7、eB．theirwayofthinkingmaybestrangeC．theywillbegoodatdealingwithstressD．theshapeoftheirbrainmaybechanged2．Whatisthebreakthroughofthenewresearch?A．Thesizeofthebraincanchange.B．Thebraincanbeinfluencedbystress.C．Povertycanaffectthebrain'sshapeinfuture.D．Changesinbrainareconnected

8、withearlierhardship.3．It’saproblemwhenchildren．A．hadalonelychildhoodB．ledap