before going outside in the morning, many of us check阅读理解答案

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1、Beforegoingoutsideinthemorning,manyofuscheck阅读理解答案　　Beforegoingoutsideinthemorning,manyofuscheckawindowthermometerforthetemperature.Thishelpsusdecidewhattowear.16____.Wewantourfoodtobeacertaincoldnessintherefrigerator.Wewantitacertainhotnessintheoven.Ifwedon’t

2、feelwell,weuseathermometertoseeifwehaveafever.Wekeepourroomsacertainwarmthinthewinterandacertaincoolnessinthesummer.　　Notallthethermometersusethesamesystemtomeasuretemperature.WeuseasystemcalledtheFahrenheitscale.ButmostothercountriesusetheCentigradescale.　　Bo

3、thsystemsusethefreezingandboilingpointsofwaterastheirguide.17____.　　Themostcommonkindofthermometerismadewithmercury(水银)insideaclearglasstube.Asmercury(oranyotherliquid)becomeshot,itexpands.Asitgetscolder,itcontracts(收缩).Thatiswhyonhotdaysthemercurylineishighin

4、theglasstube.18______.　　First.Takeaclearglassjuicebottlethathasacap;fillthebottlewithcolouredwater.Tapaholeinthecenterofthecapusingahammerandthicknail.Putthecaponthejar.Thenstickaplasticstraw(吸管)throughthenailhole.19______.Finally.Placeawhitecardontheoutsideof

5、thebottleandbehindthestraw.Nowyoucanseethewaterlevereasily.20____.Asthetemperaturegoesdown,thewaterwillcontract,andtheleverinthestrawwillcomedown.Perhapsyouwillwanttokeeparecordofthewaterleverinthestraweachmorningforaweek.　　useanddependonthermometerstomeasuret

6、hetemperatureofmanyotherthingsinourdailylives.　　B．Thermometersmeasuretemperature,byusingmaterialsthatchangeinthesamewaywhentheyareheatedorcooled.　　C．Nowthatyouknowthisruleyoucanmakeathermometerofyourownthatwillwork.　　D．Thewaterwillriseinthestraw.Asthetemperatu

7、reoftheairgoesup,thewaterwillexpandandriseevenhigher.　　E．Theylabeltheseindifferentways.OntheFahrenheitscalewaterfreezesat32degreesandboilsat212degrees.OntheCelsiusscalewaterfreezesat0degreesandboilsat100degrees.　　F．Takewax(youmayuseanoldcandleifyouhaveone)andm

8、eltsomeofitrightwherethestrawisstruckintothecaptoseal（把......粘住)themtogether.　　G．Peopleusethermometerswhicharemadebythemselveswhentravellingaroundtheworld.　　AECFD