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如图，在足够大的空地上有一段长为a米的旧墙MN，某人利用旧墙和木栏围成一个矩形菜园ABCD，其中AD≤MN，已知矩形菜园的一边靠墙，另三边一共用了100米木栏． （1）若a＝20，所围成的矩形菜园...
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如图在足够大的空地上有一段长为a米的旧墙MN某人利用旧墙和木栏围成一个矩形菜园ABCD其中AD≤MN
如图在足够大的空地上有一段长为a米的旧墙MN某人利用旧墙和100米长的木栏围成一个矩形菜园ABCD．
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围建一个面积为360m2的矩形场地要求矩形场地的一面利用旧墙利用旧墙需维修其它三面围墙要新建在旧墙的
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第一段长
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一样长
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第一段长
第二段长
两段一样长
不确定
空地上有一段长为a米的旧墙MN某人利用旧墙和木栏围成一个矩形菜园ABCD已知木栏总长为100米.1已
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InJanuary2016athree﹣episodeTVdocumentaryMastersinForbiddenCitywasbroadcastonChinaCentralTelevision.Itsoonbecamepopular﹣thefirstepisodealonehasbeenwatchednearly1milliontimessofaronthevideowebsitebilibili.com. NowthedocumentaryhasbeenmadeintoafilmandcameoutonDec162016.Itisabouthowprofessionalantiquityrestorers文物修复者intheForbiddenCityrepairancientpaintingscalligraphyclocksandbronzepieces.Itmaynotsoundexcitingbuttherestorers'patienceandtheir100percentfocusoneventhesmallestthingsisenoughtoimpresspeople. Infactmanyoftherestorersareyoungpeople.Ithasalsomadethedocumentarypopularamongtheirpeers同龄人asithasshownthempossibilityofadifferentlifestyle.AfterMastersinForbiddenCitywasbroadcastabout20000peopleappliedtoworkintheForbiddenCity.Mostofthemwerenewcollegegraduates. Thejobhasbecomepopular.Sohavetherestorers.Butwasitdifficulttobepartofadocumentary?Itwasonlysupposedtobedifficultforthedirectornotforus.Wesimplydidourjobspayingnoattentiontoanyoneelsearound.saidShiLiancangoneoftherestorerswhenaskedduringthefilm'spremiere首映inShanghai.Tomakethedocumentarytheproductionteamalsodidfiveyearsofpre﹣researchandfourmonthsofuninterrupted连续的filmingintheForbiddenCity. Indeedtheserestorerskeepthispeacefulstateofmindanddevotethemselvestodoingthesamethingtheydeeplylovedayafterday.AstheposterforthedocumentarysaysChooseacareeranddoitforalifetime. 28.WhatdoesthedocumentaryMastersinForbiddenCitymainlytalkabout? A.DetailedintroductionsofthingsintheForbiddenCity. B.HowrestorersintheForbiddenCityrepairthings. C.LifeofprofessionalantiquityrestorersintheForbiddenCity. D.DifferentkindsofworkersworkingintheForbiddenCity. 29.FromwhatShiLiancangsaidinparagraph4themostimportantqualityoftherestorersshouldbe. A.curiosity B.creativity C.imagination D.attention 30.Whatdoesthedocumentarywanttotellpeople? A.Chooseajobyouloveanddoitwell. B.Workingasanantiquityrestorerisgreat. C.Youngpeopleshouldliveadifferentlife. D.ShootingafilmintheForbiddenCityrequireshardwork.
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