在-5,-3,-1,2,-4,6这6个数中任选两个数相乘,所得乘积中

木炭在氧气中燃烧,发出白光,生成能使澄清石灰水变浑浊的气体（CO2）硫在氧气中燃烧,发出明亮的蓝紫色火焰,产生一种具有刺激性气味的气体红磷在空气中燃烧,产生大量的白烟,生成一种白色固体铁丝在氧气中剧烈

thistimeonedayintheeveningattheeveofChristmasattwelveatwinterin2006manyyearspastinmentionofbefitfora

1badbehavior2loudtalkingonthephoneinpublicplaces.3spokeloudlyinpublicplaces.4litteringinpublicplaces

1OnMay12in20123intheweekend4onMonday5at4:306playtheguitar7up8gotobed9home10arrivedattheschool

9无论加还是减8都为奇数加或减7为偶数偶数加减偶数6为偶数偶数加减奇数5为奇数奇数加减偶数4为奇数奇数加减奇数3为偶数偶数加减偶数2为偶数偶数加减奇数1为奇数因为20不是奇数所以无解

inJanuaryonJanuary2rdonApril12thonMondayat8o'clockthismorninginDecemberinOctobertwelvemonthsyearmyfa

1是青2是日3是十4是口5是木6是勿7是女1+2=青+日=晴.2+3=日+十=早3+4=十+口=古4+5=口+木=呆4+6=口+勿=吻4+7=口+女=如

1Sittinginfrontofme2inthebusfrontthreeinbetweenherandme4inoppositethesupermarket5ontheplatform620,00

飞机是比空气重的飞行器,因此需要消耗自身动力来获得升力.而升力的来源是飞行中空气对机翼的作用.机翼的上表面是弯曲的,下表面是平坦的,因此在机翼与空气相对运动时,流过上表面的空气在同一时间(T)内走过的

象是（3.1）,（3.5）,（7,1）（7,5）马是（3,3）,（1,3）,若马贴身周围没有棋子,马还有（4,2）士只有（5,2）一种可能

1.Cu2(OH)2CO3==△==2CuO+H2O+CO2↑2.2Mg+02=点燃=2Mg03.2Hg+O2=△=2HgO4.S+02=点燃=S025.4P+5O2=点燃=2P2O56.3Fe+20

1SundayandMonday2Ontuesday3onwednesdaymorning4onThursdayafternoon5Thefirstdayofthenewterm.

1.postoffice2.onCenterStreet3.payphone4.acrossfromthebank5.between...and...6.near或nextto7.intheneigh

1、在3:45atthreeforty-fiveataquartertofour2、在4:15atfourfifteenataquarterpastfour3、在5点atfive(o'clock)4、

是这些数组成一个数字吗?应该是142305

InMayInOctober2008Inthespring\summer\autumn\winterInAugust12InFebruary25,2008InMother'sDayInTeacher'

ushmyteetheathisbreakfastataquarterpastfouratfivefifteenathalfpastoneatseven祝你学习进步

gowithyouintownonthenorthstreetnexttorhepolicestationbetweenthepostofficeandthelibrary再问：你的回答完美的解决了我

先算个位上的2：1——100,有10个（2、12、22、32、42、52、62、72、82、92）,注意22中十位上2的暂时不算；所以一共10*5=50个；再算十位上的2：1——100,有10个（20

1.inthefrontof2.infrontof3.amoung……4.nearto5.aroundtheshop8.beween……9.inthemorning10.inarainyafterno