初中英语语法练习-1 1页

初中语法练习1TimeZones(时区)Theearth____1_____(rotate)____2_____(one)everyday.Thismeansthat____3____(填上冠词)earth____4_____(turn)360degrees(360度)every24hours.Foreachhour,itturns____5____degrees.Theworldisthendividedinto24timezones.Eachtimezone____6____(cover)about15degreesoflongitude(经线).ThePrimeMeridian(本初子午线)lies____7_____(填上代词)thecentreofthefirsttimezone.Allplacestothe____8_____(西方)ofthistimezoneareoneormorehoursbehindGMT(格林威治标准时).However,theboundary(边界)ofsometimezones____9_____(do)exactlyfollowthelineoflongitude.Thisis____10_____(avoid)havingmany____11____(timezone)inonecountry.Forexample,Chinaonlyhasonetimezone.-----------------------------------------------------------SOLUTION：rotatesoncetheturns15coversatwestdoesnottoavoidtimezones