专业英语-专业英语四级语法与词汇模拟题31.doc

专业英语-专业英语四级语法与词汇模拟题31.doc专业英语四级语法与词汇模拟题31・GrammarExercisesRewritethefollowingsentencesaftertheexamples・Example1:Thoughshewasyoung,shewasquiteexperiencedinthiswork•Youngasshewas,、Thoughitwascold,manyofthemworeonlytwolayersofthinclothing•2^Thoughtheplanisdesirable,,mythoughtkeptreturningtothecontentsoftheletter•4、Thoughtheytryhard,:Ifanyoneshouldcall,,wakemeup•5^Ifitshouldhenecessary,、Ifyouhadaskedme,^IfMarywerehere,shemightbeabletodosomethingtohelp•8^Ifourtrainweretoarrivepunctuallyat8:15,,placingthewordsinitalicsatthebeginningandmakingothernecessary,、Theylittlerealizedthattheyhadmadeanimportantdiscovery,inscience•10>>>Theenemytriedinvaintoencircleandwipeouttheguerrillas・13>>Theydidn'、Theirfearwassuchthattheydidn11daretoturnoffthelightthewholenight•17>>Wemustnotrelaxourvigilanceunderanycircumstances<:is/Melanie/>football/likes/Tom 20>ident/Davi