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thatriververyclean? A.Diduseto B.Didusetobe C.Doesusedto D.Doesusetobe
如图点BCD都在⊙O上过C点作CA∥BD交OD的延长线于点A连接BC∠B＝∠A＝30°BD＝2． 1求证AC是⊙O的切线 2求由线段ACAD与弧CD所围成的阴影部分的面积．结果保留π
在中国骑共享单车出行的人的数量逐年上升. InChinathepeoplewhoridethesharedbikesisrisingyearbyyear
这个私人花园不仅大而且漂亮. isnotonlybigbutalsobeautiful.
Doyoulikemusicmakesyourelaxed? A.it B.what C.who D.that
Wherewouldyouliketovisit?I'dliketovisit A.warmsomewhere B.warmanywhere C.somewherewarm D.anywherewarm
﹣﹣DoyouknowhowtoimproveourEnglish? ﹣﹣OurteachersaidtheEnglishclubwasthebestwaytoimproveourEnglish. A.join B.joining C.tojoinin D.joiningin
﹣There'reafewnewwordsinthearticle. ﹣Whataboutinyourdictionary? A.lookingitup B.lookingupit C.lookingthemup D.lookingupthem
我们中大多数人认为手机会对学生的日常生活产生不良影响. Mostofusthinkthemobilephoneswouldhaveabadeffecton
在平面直角坐标系中对于平面内任一点mn规定以下两种变换 1fmn＝m﹣n如f21＝2﹣1 2gmn＝﹣m﹣n如g21＝﹣2﹣1 按照以上变换有f[g34]＝f﹣3﹣4＝﹣34那么g[f﹣32]＝．
﹣WillwehavedinnerattheHopeRestaurant? ﹣Maybe.We'llgothereiftheshowbefore6.ButIdon'tknowifthereanyfreetablesthen. A.willendwere B.willendwillbe C.endswere D.endswillbe
Moststudentsspendtoomuchtimecomputergames. A.playing B.play C.plays D.played
首字母填空. Ifyouwanttosinpassingtheexamyouhavetoworkhard.
现如今在国外中国制造的高科技产品随处可见. Nowadaysthehigh﹣technologyproductsmadeinChinaeverywhereoversea
上周五为了做调查老师把我们分成了3组. TheteacherusthreegroupstomakeasurveylastFriday.
﹣Doyouknowthetallestboywearsacap?﹣NoI'veseenhim A.whohardly B.whoseseldom C.whichalways D.thatnever
我们避免犯同样的错误. Weshouldthesamemistake.
Jenniferareporterbutsheherjoblastmonth. A.usetobechange B.usedtobechanged C.isusedtobehaschanged D.usedtobehadchanged
Tokeephealthyeveryoneneedsatleasteightsleepatnight A.tohavehour's B.havehours' C.havinghour's D.tohavehours'
为增强居民节约用电意识某市对居民用电实行“阶梯收费”具体收费标准见表 某居民五月份用电190千瓦时缴纳电费90元． 1求x和超出部分电费单价 2若该户居民六月份所缴电费不低于75元且不超过84元求该户居民六月份的用电量范围．
如图所示在平面直角坐标系中抛物线y＝ax2+bx+c经过A﹣30B10C03三点其顶点为D连接AD点P是线段AD上一个动点不与AD重合过点P作y轴的垂线垂足点为E连接AE． 1求抛物线的函数解析式并写出顶点D的坐标 2如果P点的坐标为xy△PAE的面积为S求S与x之间的函数关系式直接写出自变量x的取值范围并求出S的最大值 3在2的条件下当S取到最大值时过点P作x轴的垂线垂足为F连接EF把△PEF沿直线EF折叠点P的对应点为点P′求出P′的坐标并判断P′是否在该抛物线上．
Theyoungtreesshouldwellasoftenaspossible A.bewater B.watered C.watering D.bewatered
﹣﹣﹣HowmanypeoplewillcometoKunmingnextyear? It'shardtosaypeopleIthink. A.millionof B.millionsof C.threemillionsof D.threemillions
作为年轻人我们应该避免在互联网上将自己的个人信息告诉陌生人. AsteenagersweshouldavoidtellingourpersonalinformationontheInternet.
Youwon'tpassthisexamuyouworkhard.
首字母填空. Thedoctortoldmethatitwashtoeatvegetables.
﹣﹣你能不能告诉我儿童博物馆怎么走?﹣﹣我建议礼貌地求助一下工作人员. ﹣﹣CouldyoupleasetellmewhereChildren′sMuseumis? ﹣﹣Isuggestaskingthestaffforhelp
Idon'tknow.Canyoutellme? A.howswimwhattodo B.howtoswimwhattodoit C.howtoswimwhattodo D.whattoswimhowtodo
NotonlyDavebutalsohisbrotherthearmyfortwoyears. A.hasbecomeamemberof B.havejoined C.havebeenamemberof D.hasbeenin
Ihearsomeoneatthedoor.Pleasegoandseewhois. A.knockit B.knockingit C.knockbe D.knockingbe
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