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1、⑼ InwintertheweatherinEnglandisoftenverycold.Inspringandautumntherearesometimescolddays,buttherearealsowarmdays.Theweatherissometimeshotinsummer,butitisnotoftenveryhot.Thereareoftencooldaysinsummer. Whenthetemperatureisover27℃,Englishpeoplesayitishot.Whent
2、hetemperatureisabout21℃,theysayitiswarm. InthenorthofEuropeitisverycoldinwinter.InthesouthofEuropethesummerisoftenveryhot.InthesouthofSpainandinNorthAfricathesummerisalwayshot. Waterfreezesat0℃.Whenwaterfreezes,itchangesfromliquidintoice.Waterboilsat100℃.W
3、henwaterboils,itchangesfromliquidintosteam.()1.WhatistheweatherlikeinsummerinEngland? A.Hot.B.Warm.C.Cool.D.BothAandC.()2.HowhighdoEnglishpeoplethinkthetemperatureishot? A.About27℃.B.Over27℃.C.About21℃.D.Over21℃.()3.Whatdoyouthink“thenorthofEurope”means?
4、A.Apartofacountry.B.ThecapitalofEurope. C.AcountryinthenorthofEurope.D.ApartofEurope.()4.Whenwaterfreezes,itchangesfrominto. A.water;iceB.water;steamC.steam;iceD.ice;water()5.Thewriterwantstotellussomethingabout. A.theweatherinEuropeB.theweatherinEngland
5、 C.someknowledgeofthetemperatureD.threestatesofwater⑽ Nowsatellitesarehelpingtoforecasttheweather.Theyareinspace,andtheycanreachanypartoftheworld.Thesatellitestakepicturesoftheatmosphere(大气),becausethisiswheretheweatherforms.Theysendthesepicturestotheweather
6、stations.Someteorologists(气象学家)canseetheweatherofanypartoftheworld.Fromthepictures,thescientistscanoftensayhowtheweatherwillchange. Today,nearlyfivehundredweatherstationsinsixtycountriesreceivesatellitepictures.Whentheyreceivenewpictures,themeteorologistscom
7、parethemwithearlierones.Perhapstheymayfindthatthecloudshavechangedduringthelastfewhours.Thismaymeanthattheweatheronthegroundmaysoonchange,too.Intheirnextweatherforecast,themeteorologistscansaythis. Sotheweathersatellitesareagreathelptothemeteorologists.Befor
8、esatelliteswereinvented,thescientistscouldforecasttheweatherforabout24or48hours.Nowtheycanmakegoodforecastsforthreeorfivedays.Soon,perhaps,theymaybeabletoforecasttheweatherforaweekormoreahead.()
