【正文】
pair of tells me his telephone number is is often at home at 7:00 you can call him in the evening.() author(作者)writes this note(便條)to ’s wife ’s classmate ()’s cl assmate is teacher worker farmer actor() is ’s classmate often at home? the morning the 7:00 don’t know.() long does ’s classmate stay in the office? an hour.() of the following is TRUE? and his wife are ’s classmate is goes out with in the ’s classmate meets in the morning CJoan is an American lives in China is in my parents work in us English all like his Sundays, Joan goes to the People39。(5分)Tom: Lin Lin Tao: Well, ___2___So I get up at 6: never(從未)go to school : Do you have breakfast at home? Lin Tao: Yes, : And when do you go to school?Lin Tao: Class begins at 8:00, so I go to school at 7:45, _4_____ Tom:___5___ Lin Ta o: I leave school at five and I get home at 5:: B)填入適當(dāng)?shù)脑~語或句子完成對話(10分)(每空2分)A: 1172。I like is ?__________________________ do you go to school? is ____________________________ ?_______________________________________________? 。strawberries。(3)=,=15t,0≤t≤1。103=7179。(2)0<x≤10。(2)略;(3)4,x≥.(1)y=125x2。(3)設(shè)平移前后兩條拋物線的頂點(diǎn)分別為P,P′,點(diǎn)A平移后的對應(yīng)點(diǎn)A′,所求曲邊四邊形的面積等于A′APP′的面積,即1179。(5)k<4.(6)這時(shí)函數(shù)表達(dá)式是y=ax2+bx+(c4)。(2)6247。4=16種選擇,其中P的(1,1),(1,2),(2,1)(2,2)四種選擇,使P落在正方形ABCD中.≈。(2)C點(diǎn)和A點(diǎn)可能性都最小, .(1)50;(2),.(1)45。3,5179。,(第7題)過點(diǎn)A作AH⊥BC,垂足為H,由帶子寬度為1可知AH=1,∵∠BAH+∠B=90176。(3)4+32π(m).第八章綜合練習(xí),: .(1)主視圖:;左視圖:;(2)24;(3)26,.檢測站.(1)略;(2),底面積r=502402=30(cm2).全面積S=πr2+2πr179。22179。1082至少加上()是3的倍數(shù),至少減去()才是5的倍數(shù)。1如果兩個(gè)數(shù)的最大公因數(shù)是1,它們最小公倍數(shù)是91,那么這兩個(gè)數(shù)的和最大是()。A 素?cái)?shù) B 合數(shù)C奇數(shù)任何兩個(gè)自然數(shù)的()的個(gè)數(shù)是無限的。()三、選擇題(共5分)任何兩個(gè)奇數(shù)的和是()。一個(gè)數(shù)既是30的因數(shù)、又是45的因數(shù),最大的是()。在1~20的自然數(shù)中,既不是素?cái)?shù)又不是合數(shù)的數(shù)有(),既是素?cái)?shù)又是偶數(shù)的有()。(2)S=2x2+2x179。(2) ,則r+2r+R=2R,R=(3+22)r;如圍成圓錐,則2 πR4=2 πr,R=4r,+:設(shè)酒瓶下部圓柱的底面面積為S,則酒瓶容積為aS+(hb)S, 、圓錐、圓柱、四面體、直三棱柱、分別為6 250 cm3和7 、橢圓、 .(2)1 :設(shè)電線桿根部為P點(diǎn),ABBM=OPPM,CDND=OPPN,EFGF=OPPG,GF為EF的影子,可得PM=10 m,OP=10 m,GF=1。1+32π,∴S1<,+.(1)r=3,h=12時(shí),沿側(cè)面的最短線長為9π2+122=3π2++CB=16,前者更短。6,10179。(2)略;(3)白球多;(4),.(1)11,。(2),則小亮摸到紅球的概率為23,.(1)12。m=2,為定值..13.(1)y=18x2+x;(2)當(dāng)BP=4 cm時(shí),CQ= ,、乙均合格;甲合格,乙不合格。(3)x>1或x<3。(4)y=x+2x1=3x1+=,.(1)(1,2);(2)2;(3)(1,2),y=(x1) =4(x3).(2,7),直線x=2,x>,(2,10).,2,上,直線x=1,(4,19).,頂點(diǎn)(1,2),對稱軸直線x=.(1)0<x<20;(2)對稱軸是直線x=10,頂點(diǎn)(10,100).(1,3),B(0,2),y=.(1,0).(m,2m1),總在直線y= ==12x212x+=(x+2)23=x2+4x+.(1)y=x2+2x1;(2)y=x2+2x+.(1)直線x=1,頂點(diǎn)(1,1);(2)y=3x26x+2;(3)當(dāng)x>1時(shí),y隨x增大而增大;當(dāng)x<1時(shí),y隨x增大而減??;當(dāng)x=1時(shí),=.(1)k=2;(2)k=2;(3)k=.(1)y=x24x+3。(2)長m,寬 m。(2)(2,2),A1(4,0),A2(42,0).提示:設(shè)F為A1A2的中點(diǎn),設(shè)A1F=m,則P2(4+m,m),m(m+4)=4,m=2+22,OA2==,0 A<20 .(1)。5=5179。.==—③,B—④,C—②,D—①.9.(1)略;(2)逐漸增加;(3)不同,在8 s~9 s。English books。)。(共10分,每小題2分。ll get back I pack(打包)these things for you?”“No, I don39。good 。strict 。twelve 。每組對話讀兩遍。.2.∠DCE=∠ 176?!螪AE=10176。.176?!鰽BC,△ABD,△BCD,△ACD,△OAB,△OAC,△OBD,△ 440176。.176?!螦,∠ACB,∠B。(2).(1)x2y4(xy2+z)(xy2z)。1110= 0122(2 01121)+(2 01321)=2 0122(2 011+1)(2 0111)+(2 013+1)(2 0131)=2 01224 024=1 ++2m2n++.(xy+2z)(xy2z)..(1)4x2+4xy+y225z2。(2)90 .(1)(1+a+b)(1ab)。(3)(1003)(1001)(100+1)(100+3)=(1049)(1041)=108105+9=99 900 (a+1). +.(1)xy(xy)。(2)9y24x4。(2).(1)3 129。(2)x4+4x2+2x4。(2)anbn;(3)1.(1)x10。.∥CD,AD∥∥∠ =7,b=,共有y人外出參觀,35x+15=y, 45(x1)==6, y=225..+85,53y+=.(1)x=12,y=52。.提示:過點(diǎn)M畫MN⊥AB,MN∥EG,∠HMN=∠E,∠HMN=90176。AB∥.(1)由∠3=∠B,知FD∥AB,知∠4=∠A;(2)由ED∥AC,知∠1=∠C,∠BED=∠,∠B=∠C,知AB∥CD,故∠A=∠.∠1=∠GMC=90176。,兩直線平行,同位角相等,65176。,∠COD=170176。,∠AOB=1803x,∠DOB=(72x)2=1803x,解得x=∠EOC=72176。26′。.176。. 1.∠3,∠176。,6176。31′48″。.提示:設(shè)∠COE=x176。(2)∠ABC,∠ABD,∠DBC,∠ADB,∠BDC。(3):902y2+y=1.(1)42176。(4)33176。.176。.6.∠2=63176。.第八章綜合練習(xí)176。.176。,∠AOE+∠BOF=190176。.檢測站176。.6.∠B,∠EFC,∠176?!螩=180176。.176。(2)x=5,y=+y=a,xy=b,解得a=2,b=1,又解得x=12,y== +y=6,5x+4y=.(1)x=1,y=1,z=1。(4).(1)x6n+2。(3)3y223y+++32,:==++5a2+.(1)m3+2m21。(3),102,103,<b<d<≠.(1)10。(2).(2n1)(2n+1)=(2n)3232=+4ab+=.(1)9m232n+116。(4)(3a+b)(a+3b)。32(2)(xy)(a+2y)(a2y)。(2)。(3)△BDC。;(2)115176。.,150176。.176。(2)(E,3)→(G,4)→(H,2)→(F,3)→(G,1)(答案不唯一). ,5,、四象限的角平分線上,如(1,1).6.(2,0),(7,0);(0,2),(0,4).,(2,0),(2,1);第一象限,(2,2),(0,3).(3,3),D(2,2)..(32,3),(64,0).第2課時(shí)1.(2,3),(3,4),x′=x2, y′=(0,0),B(5,1),C(0,3),D(2,2).4.(1)(0,0),(0,),(,0),(,),(,)。.2.(1)AB∥DF;(2)ED∥AC;(3)ED∥=2,y==73,b=176。FOOTBALL GAME(16)_____________ VS America共5分)DATE: November 29th PLACE: The(17)TIME:(18)_______ ____ BUS: TICKECOST:(19)I.選擇最佳答案。twelfth() your father like bananas? () green shorts are ____sale ____ $。strict()11.— Let’s play pingpong.—, please you , I don’t sounds good()12.-________he paint ?-No, he can39。/ 。s Park with her father and she goes shopping with her mot like the Chinese food very 39。172。hamburgers father(doctor)mother(English teacher)brother,(student)___________________________________________________________________ ______________________________________________________________________________________________2012—2013學(xué)第一學(xué)期期末考試 英語七年級試題答案 ABBDA DCBBC DDBCD BCCCD BABDB AACDB works in the are 120 room ). have bread and milk for , I’m around twelve, I e home for school, I do my homework and play with other goes to bed at A)E F G B CB) I help you?/ What can I do for you? want/ I’d like much are they? color them。52t+252,1<x≤3;20,t>.(1)自下而上填8,32;(2)57 h。