完形填空A.docx

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9、eturnedC：mustreturnD：willreturn答案，A4、Ineverycultivatedlanguagetherearctwogreatclassesofwordswhich,takentogether,comprisethewholevocabulary.First,therearcthosewordswhichwebecomeacquaintedindailyconversation.Wh记hWeIeam,haistosay,from(he2ofourownfamilyandfromourfamiliarassociatesandwhichweshouldknowalu

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13、otherhand答案；DA：knowB：areknownC：areknowingD：knowing答案，B、A：encounterB：apxachC：acquaintanceD：experience答案：C(9) .A：highlyB：deeplyC：greatlyD：mainly答案Xa(10) .A：COntnKJiet沁nB：discrepancyC：similarityD：distinction答案，D5Solarenergyismansmostimportantenergysource.AsIhCnameimplies,solaristheenergyfromthesunsrays

14、.TheamountofCnCrPythattheearthreceivesfromthesunismanytimes_itheamountusedbyman.Ifa2waytouseitfullycouldbedeveloped.3sourcewouldbeneeded.1(is.however,usedefficientlybyplants(hat4thefbodonwhichanimalsdirectlyorindirectlydq)end.SolarenergyisJUndebrOUndinIhefb11noffosilfuelsSUChascoalandpetroleum.!nthe6animportantsourceofenergywas7intheformofwood.TheIndustrialRevolutionneededth