对于成人英语三级考试而言，每天进步一点点，基础扎实一点点，通过考试就会更容易一点点。小编为您整理了2019成人英语三级阅读理解解题技巧（一）"，希望对您有所帮助。

2019成人英语三级阅读理解解题技巧（一）

由于一篇成人英语三级考试阅读文章通常在250词左右，一个定义可能占几行，这时定义很可能作为考点。阅读时只需圈出被定义的词就行了。定义可以分为以下两种。

(一)篇章定义

与主题有关的篇章定义，理解它有助于做主旨题。

例1Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestudyofthesea".

Beforethenineteenthcentury,scientistswithaninterestintheseawerefewandfarbetween.CertainlyNewtonconsideredsometheoreticalaspectsofitinhiswrit-ings,buthewasreluctant(不愿意)togotoseatofurtherhiswork.

Formostpeopletheseawasremote,andwiththeexceptionofearlyinterconti-nentaltravellersorotherswhoearnedalivingfromthesea,therewaslittlereasontoaskmanyquestionsaboutit,letalonetoaskwhatlaybeneaththesurface.Thefirsttimethatthequestion"Whatisatthebottomoftheoceans?"hadtobeansweredwithanycommercialconsequencewaswhenthelayingofatelegraphcablefromEuropetoAmericawasproposed.Theengineershadtoknowthedepthprofile(起伏形状)oftheroutetoestimatethelengthofcablethathadtobemanufactured.

ItwastoMauryoftheUSNavythattheAtlanticTelegraphCompanyturned,in1853,forinformationonthismatter.Inthe1840s,Mauryhadbeenresponsibleforencouragingvoyagesduringwhichsoundings(测深)weretakentoinvestigatethedepthsoftheNorthAtlanticandPacificOceans.Later,someofhisfindingsarousedmuchpopularinterestinhisbookThePhysicalGeographyoftheSea.

Thecablewaslaid,butnotuntil1866wastheconnectionmadepermanentandre-liable.Attheearlyattempts,thecablefailedandwhenitwastakenoutforrepairsitwasfoundtobecoveredinlivinggrowths,afactwhichdefiedcontemporaryscientificopinionthattherewasnolifeinthedeeperpartsofthesea.Withinafewyearsocea-nographywasunderway.In1872Thomsonledascientificexpedition(考察),whichlastedforfouryearsandbroughthomethousandsofsamplesfromthesea.Theirclas-sificationandanalysisoccupiedscientistsforyearsandledtoafive-volumereport,thelastvolumebeingpublishedin1895.

上述文章第1段就是一个定义：Oceanographyhasbeendefinedas"Theapplicationofallsciencestothestudyofthesea."(海洋学是综合应用所有科学对海洋进行的研究)。这肯定与主题有关，于是看到下题。