【正文】
則“兩數(shù)相乘,同號得正”,有(1)錯誤!未找到引用源?;?2)錯誤!未找到引用源。解不等式組(1),得:錯誤!未找到引用源。. 解不等式組(2),得:錯誤!未找到引用源。. 故錯誤!未找到引用源。的解集為錯誤!未找到引用源?;蝈e誤!未找到引用源。.問題:求分式不等式錯誤!未找到引用源。的解集.七、選做題(本大題共2個小題,第35題2分,第36題3分,共5分,得分記入總分,但總分不得超過100分)35.已知:關(guān)于錯誤!未找到引用源。的方程錯誤!未找到引用源。的解是錯誤!未找到引用源。,其中錯誤!未找到引用源。且錯誤!未找到引用源。,求代數(shù)式錯誤!未找到引用源。的值. 36.已知:線段AB=5cm,延長AB到c,使AC=7cm,在AB的反向延長線上取點D,使BD= 4BC,設(shè)線段CD的中點為E,問線段AE是線段CD的幾分之一?參考答案及評分標準一、選擇題(共15個小題,每小題2分,共30分)1.A 2.D 3.A 4.B 5.A 6.D 7.C 8.D 9.B 10.C 11.B 12.D 13.C 14.B 15.A二、填空題(共10個小題,每小題2分,共20分)21xy16.> 17.1 18.-5 19. 20.-2 21.21 22.180 23.70 24.10 347n+1nn25.128x;(-1)2x三、計算或化簡(共4個小題,每小題4分,共16分)26.計算:.解:原式==-1+=.????????????????????????????4分 2)247。247。(-5).727.計算:(-)+(-解:原式=-+(-2)=-+(-1)=-分 28.計算:解:原.????????????????????????????418176。20′32″+30176。15′22″.=48176。35′54″.?????????????????????4分 2229.化簡:(5a+2a-1)-4(3-8a+2a). 22解:原式=5a+2a-1-12+32a-8a =-3a+34a-13.???????????????????????4分四、解方程或不等式(共2個小題,每小題5分,共10分)30.解方程:16x--=7.解:6x=7,7 x=???????????????????5分631.解不等式:>5-x,并把解集表示在數(shù)軸上.3解:x-1>15-3x, 4x>16,x>4. ????????????????????????????3分 在數(shù)軸上表示其解集:?????????????5分五、列方程解應(yīng)用題(共2個小題,每小題8分,共16分)32.解:設(shè)李明上次所買書籍的原價為x元,根據(jù)題意列方程得: x-(+20)=12.????????????????????????5分 解方程得:x=160. 答:李明上次所買書籍的原價為160元.????????????????8分33.解:設(shè)這兩支蠟燭已點燃了x小時,根據(jù)題意列方程得:xx.??????????????????????????5分215410解方程得:x=3答:這兩支蠟燭已點燃了小時.???????????????????8分 103六、解答題(共1個小題,共8分)34.解:由有理數(shù)的除法法則“兩數(shù)相除,異號得負”,有(1)或(2)????????????????????2分510,510,(1),得:,1352解不等式組(2),無解.????????????????????????6分 故分式不等式<0的解集為?????????????8分 533352七、選做題(本大題共2個小題,第35題2分,第36題3分,共5分,得分記入總分,但總分不得超過100分)35.解:∵關(guān)于x的方程與的解是x=2,323∴, 22323∴3a=4b. ∵a≠0且b≠0,a4b3ab437∴.?????????????????2分 ,AB=5,b3a4ba341236.解:∵BC=AC-AB,AC=7,.∴BD=4BC=8,AD=BD-∴BC=2AB=3. ∵CD=BD+BC. ∴CD=10(cm). ∴E為CD的中點,1∴DE=CD=5.2∴AE=DE-AD=2(cm). 1.?????????????????????????3分 ∴AE是CD的 5第五篇:六年級上冊英語期末考試試題人教PEP,(1)20142015小學(xué)英語六年級上期末復(fù)習(xí)題 一. 找出下列每組單詞與其它幾個不同類的一個。(10分)() () () () () () () () book book() () 二.詞匯知識。(20分)A.英漢互譯。(10分) down to a trip 。(10分) not(縮寫)(原形)(名詞)(職業(yè)名詞)(名詞)(名詞)(復(fù)數(shù))(單三)(名詞)(動名詞)三.選出最佳答案填在括號里。(15分)() he go to school by bus? () ________ listening to like() like playing _____ piano, but I don’t like playing ______ , the , / C./, the D./, /() mother is a _______, she teaches in Middle () ______ you work? () teaches _______ all love () he go to work? () works very hard and () works at university? () Ann to school bus? , in , on , by , on 四.按要求變換句子。(16分) has a cat.(劃線部分提問) am going to visit my grandparents.(用he來改寫) father doesn’t like watching TV.(變成肯定句) likes listening to music.(變成一般疑問句,并做否定回答) aunt works in a gym.(就畫線部分提問) is going to a pilot.(變?yōu)橐话阋蓡柧?. am going to the nature park next week.(就畫線部分提問) brother is a reporter.(對劃線部分提問)五. 連詞成句,注意首寫字母的大寫和末尾的標點符號。(12分) are what do you tomorrow to(?) on go why Tuesday(?) he stories likes(.) at football good is(.) a postman your is(?) be going he businessman is to(.)七、用所給單詞的正確形式填空。(15分)______(like)collecting pen pal______(watch)TV at (go)to work by like______(make)(teach).閱讀短文,判斷正誤。對的寫T,錯的寫F。(10分)Amy and Tom are going to have a busy day next the morning, Tom is going to visit his aunt and Amy is going to buy a cat in the pet is going to have lunch with his lunch, Amy is going to borrow(借)some magazines and ic books in the is going to buy a dictionary and a new CD in the (最后), Amy and Tom are going buy some apples and go home by subway.()Tom is going to visit his aunt on Sunday.()Amy is going to buy the cat in the bike shop()Tom is going to have lunch with his uncle.()Tom is going to buy a new CD in the bookstore.()Amy and Tom are going to be busy next 、作文。(7分)提示:(可用5到7句話來簡單寫一下自己的愛好。)My hobbies