但是,这是最佳解决方案吗?因此,这是一个最佳解释推理。用这种方法可以有效逼近解的局部极小点,但不一定能得到最佳解或最佳的分辨率。本节将介绍一个具有多种最佳解的简单问题。科学是狂热和迷信这两大毒害的最佳解*。lp问题的最佳解是依据确定*的假设前题下求得。医治消极*...
2018-03-06 20810
问题详情:分离NaCl和NH4Cl的最佳方法是( ) A.利用溶解度不同,采用结晶法 B.加入烧碱C.直接加热法 D.加入AgNO3溶液【回答】C知识点:**题型:...
2021-10-31 7952
问题详情: 阅读理解;根据短文内容,选择最佳选项。Kiteshavealonghistory.Theymaydateback(追溯到)longtimeago.TheyweremadeofbambooandsilkinChina.Nobodyknowsexactlyhoworwhenakitewasfirstflown,butitissaidthatwhenaChinesefarmertiedastring(绳子)tohishattokeepitfr...
2021-02-28 28500
问题详情:阅读理解;阅读信件,选择最佳*。DearAnna, Thanksforyourletter,I’mgladyoulikeyourschool.IgotoschoolfromMondaytoFriday.Wehavefiveclassesinthemorningandtwointheafternoon.Andwehavemanysubjectstolearn:Chinese,math,English,P.E.,science,biology,music,h...
2019-04-01 31791
问题详情:阅读理解;根据短文内容,选择最佳*Todayweusenumbersveryoften.Buthaveyoueverthoughtaboutnumbers?Wethinkthatcountingiseasy.Butitwasnoteasylongago.Peopledidn’tknowhowtocount.Whentheyhadtocounttheircowsandhorses,theyusedtheirnames.Whenpeoplefirstbega...
2021-03-22 18689
问题详情:阅读理解。阅读三篇文章,选择最佳*。Haveyouevercomplainedthatlifeissotiringorthatthereistoomuchhomework?Doestheskysometimesseemdarktoyou?Areyourstudiessometimesnotsuccessful?Well,friends,cheerupandsmileallthetime.Ifyoulookattheworldwithawarmhear...
2020-01-28 14210
问题详情:阅读理解:读短文,根据短文内容选择最佳*TheclassinAmericaisalmostthesameasthatinChina.Butsomethingisdifferent.America,iftheteacherasksyouaquestionbutyoudon’tunderstand,youshouldputupyourhandandasktheteachertorepeatit.Ifyoudon’tknowtheanswer,iti...
2020-05-21 5296
问题详情:阅读理解:根据短文内容选择最佳*Eachnationhasmanygoodpeoplewhohelptotakecareofothers.Forexample,somehighschoolandcollegestudentsintheUnitedStatesoftenspendmanyhoursasvolunteersinhospitals,orphanages(孤儿院)orhomesfortheold.Theyreadbookstothepeop...
2021-09-15 26838
问题详情:阅读理解;根据短文内容选择最佳*ThereareeighteenkindsofbatsinBritainandallofthemareendangered(濒临绝种的).Thegreaterhorseshoebatisoneofthem.Therearefewofthembecausepeoplepulldownoldbuildingsandcutdowntrees.Theyhavenoplacetolivein.Thereareonlyabout...
2020-08-21 20396
问题详情:阅读理解。阅读文章,选择最佳选项。YinlongShoppingCenterOpenhours:9:00a.m.---10:00p.m. (Mom.---Fri.) 9:00a.m.---12:00p.m. (Sat.---Sun.)Discount(折扣):5%forshopperswithmembershipcards(会员卡)ineveryshop.ChildrenCentercanlooka...
2021-06-21 30764
问题详情: 阅读理解。阅读短文,选择最佳*。AnFrenchwomangoestoLondontoseeherson.SheknowsalittleEnglish,butcannotspeakitverywell.Onedayshegoestoashop.Shewantstobuyahen(母鸡)forsupper.Butshecannotremember(记得)theEnglishwordfor“hen”.Justthentheshopwaite...
2019-12-03 22727
提名?是的,最佳影片、最佳男主角、最佳女配角、最佳原创音乐。治理和最佳实践。每年,劳伦斯奖会颁出包括最佳男、女运动员及最佳体育团队、最佳复出运动员、最佳残疾人运动员、最佳极限运动员、最佳新人、最佳突破八个大奖崔嵬、祝希娟、陈强、谢晋分别获得最佳男主角、最...
2018-10-31 24646
经过思考,我如愿以偿的得到了最佳*。练习说明:研读右下方图表所提供的信息,并根据图表选择最佳*。你不但不直接给分,还反复提问,甚至还不选我为最佳*。看了十二生肖的签名图片我就想搜一下*姐的儿子为什么定居美国,百度的最佳*是这样的。您虽然可以指导您网站的用户输入所有数...
2017-01-04 30370
问题详情:阅读理解。阅读短文,选择最佳选项。YeXiaogangisregardedasoneofthemostfamousmodernChinesecomposers(作曲家).Helearnedtoplaythepianoattheageoffour.Hisfatherwasacomposerwhowrotealotofmusicforfilms.Butwhenthe“culturalrevolution”(*)began,hisfatherwa...
2020-06-17 6440
问题详情:阅读理解,选出最佳选项。Dear Dr Jackson, Myparentsareneverhappywithme.Theyarealwayscriticizing(批评)myclothes,myhairandthemusicIlistento.Theyhatemyfriends'looksandtheykeepcomplainingwhenIgowiththem.I'mnotallowedtostayoutaslateasmyfr...
2021-07-08 7127
问题详情:阅读理解:根据短文内容选择最佳选项 ManychildrenusetheInternettogetusefulknowledgeandinformation,andtorelaxintheirfreetime.Butsomeofthemarenotusinginagoodway.HerearesomerulestomakesureyouaresafeandhavefunontheInternet.MakerulesforInternetus...
2020-09-08 23881
问题详情:阅读理解 根据短文内容,选择最佳*。Differentpeoplehavedifferentideasabouttime.PeopleintheUSAthinkthatitisimportanttoknowthetime.IncitiesinAmerica,thereareclocksinstations,factoriesandotherbuildings.Radioannouncers(播音员)giveyouthecorrecttimedu...
2019-12-18 25263
问题详情:阅读理解阅读下列短文内容,选出最佳*。 Hello!I’mLucyKing.Thisismyfriend.HisfirstnameisMark.HislastnameisHand.HeisEnglish.HisschoolIDcardnumberisschoolIDcardnumberis12299.That’sinteresting(有趣的). Heisinablackandredjacket.Hisbackpackisblue...
2020-03-25 26863
问题详情:阅读理解;阅读短文,选出最佳*1970wasWorldConservation(保护)Year.TheUnitedNationswantedeveryonetoknowthattheworldwasindanger.Theyhopedsomethingcouldbedone.Hereisoneexampleoftheproblem.Atonetimetherewere1,300kindsofplants,treesandflowersinHolland(荷兰...
2020-10-15 8288
问题详情:阅读理解根据短文内容,选择最佳*。 Hectorisafactoryworker.Heisoftenverytiredafteraday'swork.Hiswife,Jenny,hasnojob,soshestaysathometocookthemeals.Everydayhecanhavehisdinnerwhenhegetshomefromhisfactory.Oneday,Mikecamehomeverylatebecausehewasver...
2020-09-23 12375
问题详情: 阅读理解:根据短文内容选择最佳*TheclassinAmericaisalmostthesameasthatinChina.Butsomethingisdifferent.America,iftheteacherasksyouaquestionbutyoudon’tunderstand,youshouldputupyourhandandasktheteachertorepeatit.Ifyoudon’tknowtheanswer,itisall...
2019-08-31 25345
问题详情:阅读理解。根据短文内容,选择最佳*。MrandMrsGreenlivedinabigcity.Lastsummer,theywenttoacountryfortheirholiday.Theyenjoyeditverymuchbecauseitwasaquiet,cleanplace.Onedaytheywentforawalkearlyinthemorningandmetanoldman.Helivedonafarm,andhewassitting...
2021-03-08 9062
问题详情:阅读理解;阅读短文,并选择最佳*。Samhasfourcousins.TheyareBetty,Tony,DavidandAlice.Samistheoldestofthefive.Bettyis13yearsoldnow.SheistwoyearsyoungerthanSamandoneyearolderthanTony.Davidisnineyearsold,andAlice,theyoungest,issevenyearsold.BettyandTo...
2019-11-03 14727
问题详情:阅读理解,选择一个最佳*。“Cool”isawordwithmanymeanings.Itsoldmeaningisusedtoexpressatemperaturethatisalittlebitcold.Astheworldhaschanged,thewordhashadmanydifferentmeanings.“Cool”canbeusedtoexpressfeelingsofinterestinalmostanything.Whenyouse...
2020-06-02 22050
问题详情:阅读理解:阅读下面的短文,选出最佳*ThisisLiMing.Hehastwofriends.TheyareJennyandDanny.Jennyisagirl. Shehaslong,blondhair.Hereyesareblue.Dannyhasthreehairs.Hiseyesarebrown.Jenny’sfavouritecolourisred.ButDanny’sfavouritecolourisgreen.Jennyis1.0me...
2021-09-02 5273