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高二下学期生物《》真题及答案
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Theyhadasummervacationthisyear.please
填空题二次函数y=ax2+bx+c的函数值y与自变量x之间的部分对应值如下表此函数图象的对称轴为．
Heresomegoodnews.Pleasecomeandreadthenewspaper.
下面是小芳做的一道多项式的加减运算题但她不小心把一滴墨水滴在了上面．-x2+3xy-y2--x2+4xy-y2=-x2+y2阴影部分即为被墨迹弄污的部分．那么被墨汁遮住的部分是．
Emma'sparentsalwaystellherhandsbeforedinner.A.Wash B.washing C.towash D.towashing
某商店出售茶杯茶壶茶杯每只定价4元茶壶每只定价20元该商店的优惠办法是买一只茶壶赠一只茶杯某顾客欲购买茶壶5只茶杯x只茶杯数超过5只．1用含x的式子表示这位顾客应付款的钱数2当x=20时应付款多少元
Iwouldlove shoppingwithyoubecauseIneedaT-shirt.go
Stampsareletters. A.usedtosending B.usedtoas C.usedforsending D.beenusedtosending
Maryboughttwoscarf.Onewasforhermomandtheotherwasforhersister.
—Doyouknowthattherearemany animalsinthezoo?—YesIdo.AndIalsoknowthatsomeofthemare scary.A.kindsof;kindof B.kindof;kindsof C.kindsof;kindsof D.kindof;kindof
计算 -2÷[-2×3]×|-|--5
Peoplelikewatchingcomedies喜剧becausethey'rerelax.Theyus.
如图抛物线y=ax²+ca＜0交x轴于GF交y轴于点D在x轴上方的抛物线上有两点BE它们关于y轴对称点GB在y轴左侧BA⊥OG于点ABC⊥OD于点C四边形OABC与四边形ODEF的面积分别为6和10则△ABG与△BCD的面积之和为．
—youcanworkouttheproblemseasily.—Isee.Thankyou.A.Ontheway B.Inthisway C.Bytheway D.Inaway
Iwenttothecitybutmyparentsathome.A.got B.remained C.staying D.remaining
计算 -32--42+-32--23
-的倒数的相反数是绝对值是
已知多项式3x2+my-8与多项式-nx2+2y+7的差中不含有xy求m与n的值．
如图OC平分∠BODOE平分∠AOD则与∠COD互余的角是．
Ithinksnakesarevery.WheneverIseethemtheymetoodeath.Ifeelvery .scare
ThereistoomuchinthesouthofChinathissummer.A.rain B.snowing C.rainy D.snowy
如图矩形ABCD中AB=5BC=2点B在直线l上点A到直线l的距离AE=3则点C到直线l的距离CF为
—Whyisyourbedroomsodirty? —Sorrymom.It.Ifelttiredafterplayingsoccer. A.isn'tcleaned B.didn'tclean C.doesn'tclean D.wasn'tcleaned
It'seasyforaforeignstudenttofinisha.
—Isyourteacherpleasedwithyourchemistrystudy? —Yesandheencouragedmegreaterprogress. A.made B.making C.makeD.tomake
—Whydidyousoexcitedtoday?—Weweretoldapicnictoday. A.have B.tohave C.having D.had
Hermotherhershoesbeforesheleaveshome.polish
Howlongdidyouwaithere?—Iwaithere8:0012:00. A.fromto B.betweenand C.eitheror D.bothand
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