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1、華倫中學小升初考試題題目:(1)把一張紙剪成5塊,從所得紙片中取出若干塊各剪成5塊,再從以上所得紙片中取出若干塊,每塊又剪成5塊,…,如此進行下去,到剪完某一次后停止時,所得紙片總數(shù)可能是( )A.2002B.2003C.2004D.2005考點:規(guī)律型:圖形的變化類.分析:根據(jù)剪紙的規(guī)律,每一次都是在5的基礎(chǔ)上多了4張,則剪了n次時,每次取出的紙片數(shù)分別為x1,x2,x3,…,xn塊,最后共得紙片總數(shù)N,根據(jù)數(shù)的整除性這一規(guī)律可得出答案.解答:解:設(shè)把一張紙剪成5塊后,剪紙還進行了n次,每次取出的紙片數(shù)分別為x1,x2,x3,…,xn塊,最后共得紙片總數(shù)N,則N=5-x1+5x
2、1-x2+5x2-…-xn+5xn=1+4(1+x1+x2+…+xn),又N被4除時余1,N必為奇數(shù),而2003=500×4+3,2005=501×4+1,∴N只可能是2005,故選:D.(2)數(shù)學有一道挺難,一張紙,分成8片,取任意幾片再剪成8片,再取任意幾片剪成8片,這樣重復幾次最后可能會是多少片,得數(shù)有2010.2011.2012.2013(3)甲乙走路,甲走3小時等于乙走4小時,問每小時行走的比是多少??(4)兩堆貨物,甲取出九分之一給乙后,甲乙就一樣,甲是乙的幾分之幾?(5)李老師去購置桌椅,他帶的錢的可以買課桌40張或椅子60張,但課桌椅要成套買,問課桌椅可以買多少套?
3、(6)有4種顏色的撲克6張,好摸到同一花色的至少要取出多少張才能達到3張同色?(7)語文有文言文,精衛(wèi)填海的內(nèi)容。(8)關(guān)于名著的作者的,選出錯誤的那個(9)成語錯別字(10)關(guān)于adognamedbobby完形填空,不過填6個空,不是10個。Bettyhasadog.(1)nameisBobby.Itlikestorunandplay(2)people.OneSundayafternoon,Bettyisout.Herparents,brotherandsisterare(3)somethingathome.Thedogalsowants(4)something.Itrunsov
4、ertoBetty'sfather.Heiswatchingsoccergame(5)TV.HeoftendoesthisonSundays.Hedoesnoteven(6)thedog.BobbygoestoBetty'sbrotherJim.Heisdoinghishomework.Heisn'tgoingtoplaywithBobby.Betty'ssisterMaryoftenplayswithBobby.(7)sheisreadingapicturebooknow.BobbyrunstoBetty'smother.She(8)ittogotosleep.Nowthedoo
5、ropens,andthere(9)Betty.Shelooksatthedogandsays,"Comewithme,Bobby.I'mgoingtotakepicturesinthepark."Bobbyis(10)andgoesquicklyafterher.1.A、ItB、It'sC、Its2.A、withB、forC、to3.A、doB、todoC、doing4.A、todoB、forC、with5.A、inB、atC、on6.A、lookB、lookforC、lookat7.A、AndB、ButC、Or8.A、letsB、asksC、says9.A、goesB、areC
6、、comes10.A、happyB、fineC、sorry(11)語文好像有一題是講松鼠關(guān)于語序的(12)一件商品先提價百分20,又降價百分之20,問現(xiàn)在是比原價低了還是高了,還是相等?(13)有個底面積是314平方厘米的圓柱體,里面有裝的一些水,放入一個圓錐,使圓錐完全浸沒,水面升高了10厘米,求這個圓錐的體積是多少?(14)______cheesedoyouneed?--Justalittle,please.??????AHowmuch??B???CHowmany(15)10以內(nèi)質(zhì)數(shù)最簡真分數(shù)有幾個?(16)兩個質(zhì)數(shù)相乘1合數(shù)2質(zhì)數(shù)3奇數(shù)4偶數(shù)(17)Itwasacoldday
7、inDecemberinNewYorkCity.Alittleboyabout10yearsoldwasstandinginfrontofashoestoreonBroadway.Hewaslookingthroughthewindows.Barefooted(赤腳的)andshivering(顫抖的)?withcold.Aladywalkedtotheboyandsaid,“Mylittleboy,whatareyoulookingat?”??“IamaskingG