Unit 3 七选五专练（含答案） 外研版（2019）必修第二册

必修二Unit3把关题【七选五1】：(福建莆田一中2019高一月考)HowtoSleepBetterIfyou’rehavingtroublegettinggoodsleepthroughthenight(turning,wakingupmorethanonce,forexample),thistextwilltellyouwhatyoucandotoensureapeacefulnight’ssleep.Getupontime.Changingyoursleeptimebymorethanonehourcanseverelydisturb(干扰)yoursleepquality.1Forexample,ifyounormallywakeupat6amonweekdaytogettowork,youmightgotobedaround10pm,becausethat’swhenyoustarttofeelsleepy,andit’salsoagoodtimetoensure8hoursofsleep.If,ontheweekend,yousllepuntil9am,youprobablywon’tbeabletofallasleepthatnightuntilIm.2Waitatleastthreehoursafterdinnerbeforegoingtosleep.Digestion(消化)slowsdownwhileasleep,andafullstomachmayinterrupt(打搅)sleep.Simalarly,youshuldavoidgingtbednanemptystomach,asacompletelyemptystomachmayequallydisturbyuesleepingpatterns(模式).3.Exposure()tolightduringthetimewhenyou’resupposedtobesleepingcandisturbyourbody’sinternalclock.Turnyourlightoff,oruseaverydimnightlight.4Theyincludewindows,LEDclocks,computerlightsandcableboxes.Changeyoursleepingposition.Youmaythinkthatit’simpossibletocontrolwhatpositionyousleepinsinceyoudon’tfullyunderstandwhatyou’redoing,butitispossibleanditcanmakeabigdifference.5.Trytoavoidallsourcesoflight.Keeptheroomasdarkaspossible.Makenoteofunusualcircumstances(状况).Bemindfulofwhatyoueatordrinkbeforebed.Sleepisconsideredtobeadequateonlywhenthereisnodaytimesleepiness.Inotherwords,suddenchangeofsleepingtimewillaffectyour“biological(生物的)clock”.Ifyouwakeupinthemiddleofthenight,makeanefforttohaveacomfortableposition.【答案】1.F2.D3.B4.A5.G【七选五2】：Basketballisateamsportplayedinacourtwithtwonettedringsattachedto10-footpolesoneitherendofthecourt.1Variaations()onthebasicgameincludebeachbasketball,wheelchairbasketballandbankshotbasketball.Here’showtoplaythebasicgame.2Twoplayersfromtheopposingteamstrytotakepossessionoftheball.Theteamthatcatchestheballfirstplayoffense,andtheopposingteamplaysdefense.Playersofthesameteampasstheballbackandforthastheoppositionattemptstotakepossessionofit.Teamplayersareassigneddifferentpositions.3.Theballmustbecontinuallydribbled(运球)asplayerstrytomoveittowardtheextremeendsofthecourtwherethenettedringswait.4Youhavetodribbleorshoottheball.Eachplayermustthrowtheballwithinamaximumof35seconds.Theplayerscannotkicktheball.Makingillegalbodycontactisafoul.Ifateamcommitsconsecutive(连贯的)fouls,theiropponentsareawardedfreethrow.5.Theteamthatscoresthemostpointsinthestipulatedtimeisthewinner.Iftheteamsaretiredattheendoftheregulation,thegamegoesintoovertime.Overtimeperiodsareplayeduntiloneteamhasmorepointsthantheotherattheendofanovertimeperiod.Therefereethrowsuptheballtostartthegame.Don’twalkwiththeball,whichiscalledtraveling.Youcanlearntodribble,pass,shootanddefendatahighlevel.Startyourjourneybyplayingagainstthebestplayersinyouragegroup.Theyarepointguard,shootingguard,smallforward,powerforwardandcenter.Fiveactiveplayersperteamattempttoscorepointsbygettingaballthroughoneofthenetts.IfaplayercommitssixfoulsinanNBAgame,heorshewillbedisqualifiedfromfinishingthegame.【答案】1.F2.A3.E4.B5.G【七选五3】：Lastsummer,over12000fanswereatWembleyArenainLondon,shoutingandcheering.Thousandsmorewerewatchingonline.1.Itwasesports(电子竞技),orcompetitivecomputergaming.Theprizemoneyforthewinners:$3million.MillionsofpeopleintheUKplaysgamesforfun.Someofthemhavebecomeprofessionalgamers,playinggamesastheirfull-timejob.2Theypractisefortenormorehoursaday,fiveorsixdaysaweek.Theydoexercisesliketypingsomethingandtryingtotypeitfasterandfaster.Theyalsostudyvidoesofotherplayersandplanwaystobeatthem.3Youcanwatchgamesonvideosites.Theycanbeexcitingtowatch.Sometimesonlineviewerscaninteractwiththegame.Forexample,somegamesrenamecharactersinthegamewiththenamesofonlineviewers.Butareesportsreallysports?Areplayersathletes?Somesayno.4Atthemoment,theUKgovernmentclassifiesesportsaskindsofgames,notassports.Butotherssayyes:esportsaresports.Playersdoneedsomepracticalskills,especiallyhand-eyecoordination(协调)andtiming.Snooker(斯诺克台球)andshootingareclassifiedassports.5Infact,thegovernmentsofChinaandROKdoclassifyesportsassports.A.Thenperhapsesportsshouldbe,too.B.Theyprovepopularthroughouttheworld.C.Instead,ithasgreatinfluenceontheirhealth.D.It’snoteasytobeaprofessionalgamer,though.E.Butthiswasn’tafootball,basketballortennismatch.F.Aswellasplayinggames,manypeoplelikewatchingthem,too.G.Esportsplayersdon’tneedtorun,jump,throwordobigphysicalactions.【答案】1.E2.D3.F4.G5.A【七选五4】：HowteenscanstayfitAnytypeofregularphysicalactivitycanimproveyourfitnessandyourhealth.1Exerciseshouldbearegularpartofyourday,likebrushingyourteeth,eatingandsleeping.Itcanbeinagymclass,joiningasportsteam,orworkingoutonyourown.Keepthefollowingtipsinmind:2Agoodattitudeisimportant.Findanactivitythatyouthinkisfun.Youaremorelikelytostickwithitifyouchoosesomethingyoulike.Alotofpeoplefindit’smorefuntoexercisewithsomeoneelse,soseekafriendorfamilymembertobeactivewithyou.Takeitonestepatatime.3Forexample,walkorrideyourbiketoschool.Getoffthebusseveralblocksawayandwalktherestoftheway.UsethestairsinsteadoftakingtheelevatorGetyourheartpumping.Whateveryouchoose,makesureitincludesaerobic(有氧的)activitiesthatmakeyoubreatheharderandincreaseyourheartrate.Thisisthebesttypeofexercisebecauseitincreasesyourfitnesslevelandmakesyourheartworkbetter.4Examplesofaerobic(有氧的)activitiesarebasketball,runningorswimming.Don’tforgettowarmup.Dosomeeasyexerciseorstretchesbeforeyoudoanyphysicalactivity.5Itisalsoimportanttostretchafteryouexercisetocooldownyourmuscles.A.Italsoburnsoffbodyfat.B.Staypositiveandhavefun.C.Makerunninganeverydayhabit.D.Smallchangescanadduptobetterfitness.E.Themostimportantthingisthatyoukeepmoving!F.Thiswarmsyourmusclesupandmayhelpprotectagainstinjury.G.Dotheactivityasoftenaspossible,butdon’texercisetothepointofpain.【答案】1.E2.B3.D4.A5.F【七选五5】：Ifyouwanttokeepfit,pleaserefertothefollowing:MovemoreMakeitaruletofindwaystomoveyourbody.1.Climbstairsinsteadoftakingelevator.Walkyourdog;Playwithyourkids.Itdoesn’thavetobeanhourinthegymora45-minutedanceclass.Butthat’sgreatwhenyou’reuptoit.Atthesametime,movemore.Quitsmoking.Eversince1960whenitwasannouncedthatsmokingwasharmfultohealth,Americanshavebeenreducingtheiruseoftobaccoproducts.Justrecently,we’veseenmoreandmoreteenssmoking.CoulditbetheHollywoodinfluence?2.Takecare!Warnyourchildrenagainstsmoking.3.Whilerecentstudiesshowaglassofwineoronedrinkadaycanhelpprotectagainstheartdisease,morethanthatcancauseotherhealthproblemssuchasliverandkidney(肝肾)diseaseandcancer.Reducestress.Easiersaidthandone,stresscomesinmanyways.4.Spend30minutesadaydoingsomethingyoulikesuchaswalkingonthebeachorinapark,readingagoodbook,visitingafriend,listeningtorelaxingmusicorwatchingafunnymovie.ProtectYourselfFromPollution.Ifyoucan’tliveinasmog-freeenvironment,atleastavoidsmoke-filledrooms.5.Exerciseinanair-conditionedroomwhenairqualityispoor.A.AvoidExcessiveDrinkingB.KeepaPositiveMentalOutlookC.ThinkcarefullyaboutwhatyouwilldoD.ExerciseoutsidewhenthesmogratingislowE.ItseemsthatthestarsineverymoviesmokecigarettesF.Therearemanythingsyoucandotomoveyourarmsandlegs.G. Sometechniquesgivenbyexpertsaretothinkpositivethoughts.【答案】1.F2.E3.A4.G5.D【七选五6】：TipstofightsummerweightgainWhenwethinkofsummer,mostofusthinkofoutdoorfun.Soitseemslikeweshouldnaturallyloseweightoverthesummer----notgainit.1.Lotsofsummeractivitiescanworkagainstoureffortstostayatahealthyweight.Thegoodnewsisthatit’seasytoavoidproblemsifweknowwhattolookoutfor.Getgoingwithgoals.Whenwedon’thaveaplan,it’seasytospendsummermovingfromcouchtocomputer,withregalarstopsatthefridge.2.Justbesuretoplanforsomedowntimesoyoucanrelaxalittle.3.Withschoolout,weloseourdailyroutines.Ifyoudon’thaveaspecificjoboractivitytogetupfor,it’seasytosleeplate,watchtoomuchTV,andsnackmorethanusual.Makesureyoursummerdayshavesomestructure-----likegettingupatthesametimeeachdayandeattingmealsatsettingtimes.Planactivitiesforspecifictimes,likeexercisingbeforebreakfast.Ifyouhavetimeonyourhands,offertomakedinneracoupleofnightsaweeksoyourfamilycanenjoyasit-downm