阅读短文，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。选项中有兩项为多余选项。Itwasasunnyday.Mr.Blackwenttotownonbusiness.Onhiswayhome,hefoundinfrontofhimabigpileofhay（干草）.Hegotdownfromhishorse.Thehayhadfallenoffawagon（马车）.Aboywasstandingbythewagonandlookedworried.Hewassorryforthelittledriver._1_Mr.Blacksaid.Comewithmetothevillageoverthere,andIwillfindsomeonetohelpyou.InthevillageMr.Blacksfriendaskedhimandtheboytohavedinner,Mr.Blackenjoyedthemansdinner,buthesawtheboystilllookedworried.Dadwontlikethis!theboysaidinalowvoice.Dontworrytoomuch,saidMr.Black.Justbecarefulnexttime.Nowhaveyourdinner,andyouneedntworry.ButIwashereforalongtime._2_Oh,comeonnow,saidMr.Black.Yourdadwillunderstand,hewillbegladifheknowsthatyouhavehadagooddinner.Iwillgowithyouandexplainwhathashappened.3_Theboyanswered,_4.A.Bytheway,wheresyourdad?B. Hesunderthepileofhay!C. Hisdadaskedhimtoleaveassoonaspossible.D. Nowdontworry,myboy.E. Dadwillbeangry.F. Hi,howareyou?Animalswithsixlegsarecalledinsects.Someinsectssuchaslocusts（蝗虫）eatcrops.Theyarenotfarmersfriendsbuttheirenemies.Weallknowthereareotheranimalsthateatinsects.Birdseatinsects,andfisheatinsects,too.Butdoyouknowtherearesomekindsofinsectsthateatotherinsects?Theyarealsofriendsoffarmers.Thedragonfly（蜻蜓）isoneofthem.Manypeopleareafraidofthedragonfly.Butitisafriendlyinsect.Ithelpstokillflyinginsects,especiallymosquitoes（蚊子）.Somedragonflieseatwhileflying,butothersliketocomedowntothegroundbeforeeatingtheirmeal.Thedragonflycantwalk,becauseallitslegsareatthefrontofitsbody.Butithastwopairsofstrongwingssoitcanflyveryfast.Thedragonflyisoneofthefastestinsectsintheworld.Thedragonflycanseeverywell.Butthelifeofdragonflyisshort.Itcantliveinthecoldweather.A. Adragonflymayhaveasmanyasonehundredmosquitoesinitsmouthatatime.B. Therearemoreinsectsthananyotherkindofanimals.C. Itcanseeamovinginsectfaraway.D. Theyarefarmersfriends.E.Itcanflyinthesky.F.DragonflieslikeflyingoverthewaterDidyousleepwelllastnight?Maybemanypeoplewillanswer:No.Ifyousayyoudonothavegoodsleep,itmeans:wakingearlyandnotgettingbacktosleep.Youmaygettired,worriedandanxious.Yourmemoryandabilitytorememberthingswillgetworse.Thenwhatshouldyoudowhenyouhavethetrouble?Donotworryaboutittoomuch.Letsseeifyoucanhelpyourself.First,makesurethatyourbedroomisnttoocoldortoohot.Keepitdarkandquiet.Second,checkyourlifestyle.Donotdrinktea,coffee,colaorchocolatebeforebed.Drinklesswaterandavoidnight-timetoiletvisits.Setyourbodyclockwellbygettingupandgoingtobedatthesametimeeveryday.Developarelaxingbedtimehabit.Readorlistentomusic,thentakeawarmbath.Ifyoureallycannotsleep,trysomebread,riceormilk.Goforadailywalk.Naturallighthelpsyouregulate（调整）yourbodyclock,soexerciseoutdoorsifyoucan.Forgettheworriesoftheday.Writedownanyworries,thoughtsorquestionsbeforeyougotobed._.A. Thetechniquesareasfollows:B. Theywillhelpyoufallasleep.C. Withthesewrittendown,youwillhavelesstothinkaboutandyoursleepwillbecomeeasier.D. Eatingbeforebedisnotquitegood.E. Forsomepeople,itishardtofallasleep.F. Infact,intheworldaboutonethirdofthepeopledonothavegoodsleep.四Thousandsofyearsago,peoplelivedincoldplacesbecausetheydidntknowhowtokeepthemselveswarm.Latertheylearnedtomakeclothes.Whenananimalwaskilled,theymadeuseofitsskinstocovertheirbodies._Natureispeoplesgoodfriend.Itoncehelpedpeoplefindfire,whenlightinghitaforestandstartedafire.Thefirekeptthemwarm,andalsofrightenedwildanimals.Soonpeoplefoundthefoodcookedtastedmuchbetter,sotheybegantousethefiretocookfood.Butpeoplestilldidntknowhowtomakeafire.Whentheygotafirefromtheforesttheytriedtokeepitburning.Butlatertheyfounddifferentwaystomakefire.Forexample,theymadefirebyburningwoodorknockingtwopiecesofstones.Todayitseasyforpeopletomakefirebecausetheyhavematches,lightersanddifferentkindsofheaters.A. Ifitwentout,theyhadtowaitforyears.B. Theskinskeepthemwarm.C. Firecanalsobedangerous.D. Peopletooksomeofthisfiretotheirhomes.E. Peopledidntknowhowtousefire.F. Theycanmakefireatanytimetheyneed.五Doyoulikechocolate?_1_Aboxofitcanbeagreatgift.Buyoneforafriendandgiveitasasurprise.Seehowhappythatpersongets.Sayyoujustgotaboxofchocolate._2_.Amanhasstudiedpeopleschoice.Hesaystheytellsomethingabouttheperson.Didyouchoosearoundpiece?Youareapersonwholikestoparty.Didyouchooseanoval（椭圆形的）shape?Youareapersonwholikestomakethings.Pickingasquareshapeshowssomethingelse.Thepersonishonestandtruthful.3_.Whatkindofchocolatedoyoupick?Maybeyoulikemilkchocolate.Thisshowsyouhavewarmfeelingsaboutthepast.Darkchocolatemeanssomethingelse.Apersonwhochoosesitlookstowardthefuture.Whataboutwhitechocolate?Wouldyouchooseit?_4_Somepeoplelikechocolatewithnuts（果仁）.Thesearepeoplewholiketohelpothers.Doyoubelievetheseideas?Cancandytellallthesethings?Itdoesntreallymatter.Thereisonesurethingabouteatersofchocolate.Theyeatitbecausetheylikeit.A. Youcandependonhimorher.B. Maybemostpeopledo.C. Whichpiecedoyoupickfirst?D. Ilikechocolateverymuch.E. Ifso,youmayfin