英语专业四级阅读练习题

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1、英语专业四级阅读练习题(三)温馨提示：帮考网外语免费练习题，如需完整题库请登录http://news.bangkaow.comAsthemerchantclassexpandedintheeighteenthcenturyNorthAmericanColonies，thesilversmithandthecoppersmithbusinessesrosetoserveit.OnlyafewsilversmithswereavailableinNewYorkorBostoninthelateseventeenthcentury，butintheeightee

2、nthcenturytheycouldbefoundinallmajorcolonialcities.Noothercolonialartisansrivaledthesilversmiths’prestige.Theyhandledthemostexpensivematerialsandpossesseddirectconnectionstoprosperouscolonialmerchants.Theirproducts，primarilysilverplatesandbowls，reflectedtheirexaltedstatusandtestifi

3、edtotheircustomers’prominence.Silverstoodasoneofthesurestwaystostorewealthatatimebeforeneighborhoodbanksexisted.Unlikethesilvercoinsfromwhichtheyweremade，silverarticleswerereadilyidentifiable.Oftenformedtoindividualspecifications，theyalwayscarriedthesilversmith’sdistinctivemarkings

4、andconsequentlycouldbetracedandretrieved.Customersgenerallysecurethesilverforthesilverobjecttheyordered.Theysavedcoins，tookthemtosmiths，anddiscussedthetypeofpiecestheydesired.Silversmithscompliedwiththeserequestsbymeltingthemoneyinasmallfurnace，addingabitofcoppertoformastrongerallo

5、y，andcastingthealloyinrectangularblocks.Theyhammeredtheseingotstotheappropriatethicknessbyhand，shapedthemandpresseddesignsintothemforadornment.Engravingwasalsodonebyhand.Inadditiontoplatesandbowls，somecustomerssoughtmoreintricateproducts，suchassilverteapots.Theseweremadebyshapingor

6、castingpartsseparatelyandthensolderingthemtogether.Colonialcoppersmithingalsocomeofageintheearlyeighteenthcenturyandprosperedinnortherncities.Copper’sabilitytoconductheatefficientlyandtoresistcorrosioncontributedtoitsattractiveness.ButbecauseitwasexpensiveincolonialAmerica，coppersm

7、ithswereneververynumerous.VirtuallyallcopperworkedbySmithswasimportedassheetsorobtainedbyrecyclingoldcoppergoods.Copperwasusedforpracticalitems，butitwasnotadmiredforitsbeauty.Coppersmithsemployedittofashionpotsandkettlesforthehome.Theyshapeditinmuchthesamemannerassilverormelteditin

8、afoundrywithleadortin.They