41.Glassmay_______athightemperature.
A.profitB.pronounceC.stingD.melt
42.Silver_______electricityfarbetterthanothermaterials.
A.equipsB.strikesC.cracksD.conducts
43.Everyoneisencouragedto_______foodorclothingforthosewhosufferedagreatdealintheflood.
A.attributeB.distributeC.contributeD.drift
44.Whiteteethareasharp_______toblackskin.
A.contentB.contractC.contrastD.contain
45.Tomis_______aboutphotography.Hespendsnearlyallhismoneyonit.
A.justiceB.innocentC.fierceD.crazy
46.Weneedhelpfromtheothercountries.Butwedonot_______onothersforsupport.
A.engageB.leanC.stripD.multiply
47.Wewill_______theplanbecauseofthecost.
A.councilB.journalC.dampD.oppose
48.Ourtrainis_______atShanghaiatseveno’clockthisevening.
A.dueB.crystalC.cushionD.cooperation
49.Hervoicewas_______inthenoise.
A.filledB.entertainedC.enormousD.drowned
50.Heisvery_______inhisfamilyandneverdoesanythingagainsthiswife.
A.henceB.possessC.outerD.humble