资源描述：
《英语实用写作lesson 2》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、•Inthispartyouwillreadseveraldefinitionparagraphs.Aftereachofthedefinitionsanameofathingisgivenfollowedbysomeinformationaboutit.Writeextensivedefinitionsofthegivennamesmodelingaftertheexamples.•Vitaminisachemicalcompoundthatthehumanbodyneedsinsmallamounts
2、.Vitaminsmakeuponeofthemajorgroupsofnutrientsandregulatechemicalreactionsbywhichthebodycovertsfoodintoenergyandlivingtissues.•Protein:oneofthemainclassesoffoods,essentialtoanimals,obtainfromwhattheyeat,behighinproteincontents,cheese,eggs,meat,fish,milk,ma
3、keupalargepartof,build,maintain,repair,tissue,bone,muscles•Proteinisoneofthethreemainclassesoffoodessentialtothebodyofhumanbeingandotheranimals.Theyobtainproteinsfromthefoodstheyeat.Foodsthatarehighinproteincontentincludecheese,eggs,fish,meatandmilk.Allpr
4、oteincontainiron,phosphorusandsulfur.Proteinsarelarge,complexmoleculesmadeupofsmallerunitsandtheymakeupalargepartofeachcell.Therefore,theyareimportantinbuilding,maintainingandrepairingbodytissues,especiallybonecartilageandmuscle.•Measurementranksasoneofou
5、roldestskills.Itistheprocessoffindingouthowmanymeasuringunitsthereareinsomething.Theseunitsincludeinches,meters,pound,grams,andhours.•Calculation:aprocess,add,subtract,multiply,divide,findaresult••Minuteisaunitusedtomeasurebothtimeandangles.Intime,60minut
6、esmakeuponehourandeachminuteisdividedinto60seconds.Inmeasuringangles,60minutesmakeuponedegree,andacircleisdividedinto360degrees.•Degree:anamegiventosmallunitsofmeasure,geometry,maps,measurementofangles,arcsofcircles,temperature•Degreeisanamegiventovarious
7、smallunitsofmeasure.Ingeometryandonmaps,adegreeisaunitofmeasurementofanglesandofarcofcircles.Anangleofonedegreeis1/90ofarightangle.Anarcofonedegreeis1/360ofawholecircle.Degreesingeometryaredividedinto60unitscalledminutes.Degreesarealsounitsofmeasurementof
8、temperature.OnedegreeoftemperatureontheFahrenheitscaleis1/100ofthedifferencebetweenthetemperaturesofmeltingiceandboilingwater.OnedegreeontheCelsiusscaleoftemperatureis1/100ofthesamedifference.•Aguaranteedannualwagei
