人教版七年级下册数学配套练习册及答案_下载名师优秀教案（完整版）资料(可以直接使用，可编辑优秀版资料，欢迎下载）（1）一般式：3、观察身边的简单物体，初步体会从不同角度观察物体所看到的形状可能是不同的，学生将经历从立体图形到平面图形的过程,认识长方形、正方形、三角形、圆等平面图形，初步体会面在体上，进一步发展空间观念。人教版七年级下册数学配套练习册及答案_免费下载推论1:同弧或等弧所对的圆周角相等。186.25—7.1期末总复习及考试⑥最大值或最小值：当a＞0，且x＝0时函数有最小值，最小值是0；当a＜0，且x＝0时函数有最大值，最大值是0。（2）交点式：y=a(x-x1)(x-x2)2、第四单元“有趣的图形”。学生将经历从上学期立体图形到现在平面图形的过程，认识长方形，正方形，三角形，圆等平面图形，通过动手做的活动，进一步认识平面图形，七巧板是孩子喜欢的拼图，用它可以拼出很多的图形，让孩子们自己动手拼，积累数学活动经验，发展空间观念能设计有趣的图案。③当a＞0时，抛物线开口向上，并且向上方无限伸展。当a＜0时，抛物线开口向下，并且向下方无限伸展。应用题人教版七年级下册英语配套练习册答案单词:(七下册u1)country,Canada,Japan,Australia,French,language,pal,live,United,Singapore选择:ABDBBCAACD句型:isfrom,Wherefrom,Whatlanguage(s),Wheredoes,Doesspeak翻译:Whereisfromisfrom,doeslivelives,languagespeakspeaks,ChinesespeaksJapanese对话:EFBDASectionB单词:write,favorite,difficult,world,wants,介词:for,in,to,fromin,in,with,at,fromin,toon选择:CCAACBCABCCBBDB翻译:speakspeaksFrench,thinkinteresting,alittle,writestohisparentsabout,playingsportsonu2A答案1.library,restaurant,supermarket,bridge,postoffice,Avenue,neighborhood2:CBCBCCDCCC3Whereare,isalongbridge,Yes,thereis,Arethereany,Therearetwosmallrestaurantsintheneighborhood.SectionB答案1:small,quiet,beginning,through,dirty,hungry,way,garden,visit,tour,supermarket,airport,district,place,tour2:BABBABCBAC3:Godown/turnleft,haveagoodtrip,know/arriving,with/nextto,tell/theway4:is,postoffice,between,acrossfrom,down/along,on,schoolU3答案:giraffe,cute/clever,tigers,kind,Lions,elephant,Dolphins,pandas,animals,map句型:Why/do,Why/does/like,Where/are/from,kindof,DoeslikeSectionB:Animals,leaves,other,quiet,lazy,years,play,relaxes,grass,Africa翻译句子:WatchesTV/atnight,other/animals,are/lazy,playwith/during,eatsleaves句型:Whatdotosee,Doessleep,Whydoyou,doesn’trelax,don’tbeU4答案:单词:doctor,hospital,waiter,policewoman,uniforms,money,thieves,dangerous,reporter,policewomen三:Whatdoyoudo?,Whatdoesdo.Wheredoes,Whatdo,Whatdoes四:What,do,Where,station,like,late,tobe五:four,policeman,station,dangerous,clerk,money,be,hospital,wea