作业帮下载扫题解答英语
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解题思路：根据阿伏加德罗定律可知，相同条件下，两种气体体积之比等于其物质的量之比解题过程：解析：相同条件下，气体的体积比等于物质量之比质量/摩尔质量=物质的量之比;甲烷的物质的量=1g/16g/mol
1.beingrunourof2.causing3.asachild4.abouthow5.cannot
CDDC 阅读： 1.C 2.B 3.D 4.B &nb
cleanthestreet
1.A前面有didn't,后面用原形,sleepwell表示睡得好fallasleep表示入睡2.Don'tmakenoises,Jim.Yourfather___now.D.issleeping强调
wasbuyinganewspape
CBADACCBCB刚做的再问：再来一篇愿意吗再答：在我的能力范围之内可以的再问：再问：图片不知为什么，发不到了再问：再答：那个阅读A的后半部分看不清楚再问：再答：是有问题的那半部分再问：什么意思？再
Isweep,OK?
最简单了SI=theareaofthetriangleEFG
解题思路：习惯短语要多多记忆解题过程：24.Howbeautifulshesings!I'veneverheard________.A.thebettervoiceB.agoodvoiceC.theb
isitconvenienttogoshoppinginyourneighborhood
sweepthefloo
ampicturefamily6mothergrandfathershortschoolauntsname
1.therebe+地点2.am,is,are3种.其中,Iam搭配,she/he/it等3人称和is搭配,we/they/you等复数人称和are搭配.therebe+not...是否定句,beth
CABDC,CCBBD绝对正确,不懂再问
1Jimhasdonehishomeworkandhehastimenow.2Hereceivedaletteryesterday.3MyfatherhasbeentotheGreatWallbefo
celebrationsFebruaryIndependenceAmericanturkey
1A2D3C4D5B6D7C8A9B10C11C12D13C14A15B16C17A18A19D20C
51.C52.A53.A54.C55.B