有哪些信誉好的足球投注网站- 1、本文档共8页，可阅读全部内容。
- 2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
英语流利说
Level3.Unit1Part2
作者：DingMing
TimeZones
Ourplanet,theEarth,isthe3rdplanetfromthesun.
Itisabeautiful,rotatingsphere.
Thesidefacingthesunisindaylight.
Thesidefacingawayfromthesunisindarkness.
Forexample,whenitsdaytimeintheUS,it’snighttimeinChina.
Infact,there’sa12-hourtimedifferencebetweenBostonandshanghai.
WhenitsmidnightinShanghai.It’snooninBoston.
TheEarthrotatesfromwesttoeast.
Toknowwhichdirectioniseastorwest,watchthesun.
Thesuntravelsthroughtheskyfromeasttowest.
Thesuncomesupintheeastandgoesdowninthewest.
Again,thisisbecausetheEarthrotates.
Ittakes24hoursfortheEarthtomakeacompleterotation.
Andthatisthelengthofoneday.
BecauseoftheEarthsrotation,theEarthisdividedintotimezones.
Somecountries,suchastheUs,haveseveraltimezones.
Whenits10aminNewYork.It’s7aminSanFrancisco.
英语流利说
EuropeandtheUSareseparatedbyseveraltimezones.
Whenits5:00pminParis,it’s11:00aminBoston.
So,theresasix-hourdifferencebetweenParisandBoston.
Onelargecountry,China,hasjustonetimezoneforthewholecountry.
Asaresult,atthesametime,somepartsofthecountrycanbedarkandotherpartscanbelight.
AsyoutravelaroundtheEarth,thetimechanges.
Thetimeofthedaydependsonyourlocationontheplanet.
Whenyoutraveleastorwest,youmaycrossseveraltimezones
Forexample,ifyoutravelfromBeijingtoLosAngeles,youcrosseighttimezones
ThatmeanswhenitsnoononSundayinChina,it’s8:00pmonSaturdayinLosAngeles.
Fortravelers,thismeansitcanbeverydifficulttosleepafteralongflight
Theclockmaysay8:00pm,butforyourbodyitsnoon.
Thisiscalledjetlag.时差反应
Crossingseveraltimezonescausesjetlag.
文档评论（0）