Readtheparagraphanddecideonthebestchoice.根据段落意思,选择正确选项。51.I’veworkedinthefactoriessurroundingmyhometowneverysummersinceIgraduatedfromhighschool,butmakingthetransition(转变)betweenschoolandfull-timeblue-collarworkduringthebreaknevergetsanyeasier.Forastudentlikemewhoconsidersanyclassbeforenoontobeuncivilized,gettingtoafactoryby6o’clockeachmorningistorture.MyfriendsneverseemtounderstandwhyI’msorelievedtobebackatschoolorthatmysummervacationhasbeenanythingbutavacation.51.Howdidtheauthorlookbackonhissummerdayswhileatcollege?