海事基础英语综合教程第二册Unit1OceaninOurEyes.pptx

Unit1;PartⅠWarming-upActivities;;1.Fromspacetheearthlookslikeahugewater-coveredglobe.

2.Northoftheequatorabout61percentofthesurfaceiscoveredbywater.

3.Southoftheequator81percentofthesurfaceiswater.

4.Theworldismadeupof7continentsand4oceans.

5.ThecontinentsincludeNorthAmerica,SouthAmerica,Europe,Asia,Africa,Australia,andAntarctica.

6.TheoceansincludetheArctic,theAtlantic,theIndian,andthePacific.;1.ThePrimeMeridianisthemeridian(lineoflongitude)atwhich

thelongitudeisdefinedtobe0°.

2.ThePrimeMeridiananditsoppositethe180thmeridian(at

180°longitude),whichtheInternationalDateLinegenerally

follows,formagreatcirclethatdividestheEarthintothe

EasternandWesternHemispheres.

3.Aninternationalconferencein1884decidedthemodernPrime

MeridianpassesthroughtheRoyalObservatory,Greenwichin

southeastLondon,UnitedKingdom,knownastheInternational

MeridianorGreenwichMeridian.;Whenlatitudeandlongitudeareused,theseshallbeexpressedindegreesandminutes(anddecimalsofaminuteifnecessary),NorthorSouthoftheEquatorandEastorWestofGreenwich.

当使用纬度、经度表示船位时，应以度、分（如果需要，可以用分的小数）来表示，并应标出北纬或南纬；东经或西经。

e.g.

“WARNING.Dangerouswreckinposition15degrees34minutesNorth61degrees29minutesWest.”“警告：在北纬15°34′西经61°29′处有危险沉船。”;2.Numbersaretobespokeninseparatedigits:“one-five-zero”for

150,“twodecimalfive”or“twopointfive”for2.5.数字逐位读出

150应读作“一五零”，2.5应读作“二点五”。

e.g.

Note:Attention!Whenrudderanglese.g.inwheelordersare

given,say:“fifteen”for15or“twenty”for20.注意！当读舵角

舵令时，应按以下示例：15读作“十五”，20读作“二十”。;Section2:Textexplanation;1.continentn.

anyoftheworldsmaincontinuousexpansesofland(Europe,Asia,Africa,NorthandSouthAmerica,Australia,Antarctica)洲（指欧、亚、非、南北美、澳、南极洲之一）,大陆

2.makeup(of)ph