四川省成都市西川中学2019-2020学年九年级上册Unit 5试卷
四川省成都市西川中学2019-2020学年度下学期九年级英语三诊考试(word版,无答案)

2019—2020学年度(下期)第三次诊断性考试九年级英语(考试时间120 分钟,总分150 分)班级姓名学号得分A卷(共100分)第一部分听力测试(共30小题,计30分)一、听句子,根据所听到的内容选择正确答语。
每小题念两遍(共5小题,每小题1分;计5分)1.A. That sounds boring. B. Thanks. C. Me, too.2.A. Giraffes. B. Robots. C. Flowers.3.A. A funny story! B. Let’s say “hi” to him. C. Really sorry to hear that.4.A. No, you can’t. B. That’s true. C. No problem.5.A. Since I was a child. B. When I was young. C. After I was born here.二、听句子,选择与所听句子内容相符的图片,并将代表图片的字母填涂在答题卡的相应位置。
每小题念两遍。
(共5小题,每小题1分;计5分)6. 7. 8. 9. 10.三、听对话,根据对话内容及问题选择正确答案。
每小题念两遍。
(每小题1分;计10分)11. A. 9∶15 a.m. B. 10∶00 a.m. C. 10∶45 a.m.12.A. Hot soup. B. Gongbao chicken. C. Tomato soup.13.A. On a train. B. At a train station. C. At a train ticket office.14.A. Alice. B. Frank. C. Miss Li.15.A. By car. B. By bike. C. By bus.16.A. 72 dollars. B. 60 dollars. C. 48 dollars.17.A. Hot. B. Rainy. C. Cool.18.A. Sally likes reading. B. John will watch the match. C. John hates staying up too late.19.A. Shy. B. Weak. C. Heavy.20.A. Friends. B. A teacher and a student. C. Family members.四、听短文,根据短文内容选择正确答案。
人教版2019-2020学年九年级英语第一学期unit5单元试卷含答案)

2019-2020学年九年级英语第一学期第五单元试卷时间:90分钟总分:120分Ⅰ.听力(共20分)(Ⅰ) 听句子,选择正确的图片。
每个句子读两遍(每小题1分,共5分)1.,A) ,B) ,C)2.,A) ,B) ,C)3.,A) ,B) ,C)4.,A) ,B) ,C)5.,A) ,B) ,C)(Ⅱ) 听句子,选择正确的答案。
每个句子读两遍(每小题1分,共5分)6.A.It's made of cotton.B.It's made from wood.C.It's used for keeping warm.7.A.In 2013. B.In the hospital. C.In Jiangsu.8.A.I went to an international kite festival.B.That sounds interesting.C.I would like to go.9.A.Because these small pieces of clay art show the love that all Chinese people have for life and beauty.B.Because I like it.C.Because it's boring.10.A.In 1876. B.By Bell. C.In the US.(Ⅲ) 听对话和问题,选择正确的答案。
每段对话及问题读两遍(每小题1分,共5分)听第一段对话,完成第11至12小题。
11.A.Going camping.B.Going shopping.C.Going on a vacation.12.A.Yes,he has. B.No,he hasn't. C.I don't know.听第二段对话,完成第13至15小题。
13.A.Food. B.Clothes. C.Kites.14.A.Bamboo and paper.B.Metal and paper.C.Bamboo and steel.15.A.In March. B.In April. C.In July.(Ⅳ)听短文,补全所缺的单词或短语。
人教版2019-2020学年九年级英语上册Unit 5单元测试题及答案

2019-2020学年九年级英语上册Unit 5单元测试题注意事项:1、本试题分第I卷和第Ⅱ卷两部分,第I卷为选择题,45分;第卷为非选择题,55分;共100 分。
考试时间为120分钟(含听力20分钟)。
2、答第I卷时,请将答案填入选择题表格中。
第Ⅰ卷(选择题共45分)一、听力选择(共15小题,计15分)(一)请听录音中八组短对话。
每组对话后有一个小题,从题中所给的A、B、C三个选项中,选出与对话内容相符的图片或能回答所给问题的最佳答案。
(每组对话读两遍)1.What is made of silk?2.What is mentioned in the conversation?3.Who’s the nice ring for?4. What are they talking about?A. Chinese clay. B Sky lanterns. C. Paper cutting.5. What is the coat made of ?A. Cotton.B. Silk.C. Wool.第1页6. Who made the kite ?A. Bruce.B. Bruce's brother.C. Bruce’s father.7. How many kinds of materials is the painting made of ?A.Two.B. Three.C. Four.8. Where did the man buy the basketball shoes?A. In the USA.B. In China.C. In France.(二)请听录音中两段较长的对话。
每段对话后有几个小题,从题中所给的A、B、C三个选项中,选出能回答所给问题的最佳答案。
(每段对话读两遍)听下面一段对话,回答第9至第11三个小题9. How much is the skirt ?A. 20 dollars.B. 58 dollars.C. We don’t know.10. Who gave the skirt to the girl as a birthday gift ?A. Her sister.B. Her mother.C. Her aunt.11. What is the skirt made of ?A. Cotton.B. Silk.C. Paper.听下面一段对话,回答第12至第15四个小题12. What size does Jim wear ?A. Size MB. Size S. C Size L13. Why does Jim want to buy an overcoat ?A. Because he wants to look stronger.B. Because he wants to look more handsome.C. Because he wants to feel warm.14. What color is the overcoat?A. Black.B. Blue.C. White.15. What's the dress that Jane wants to buy made of ?A. Silk.B. Wool.C. Natural materials.听力填词题在第II卷第三题第2页二、阅读理解(共15小题,计30分)阅读下面短文,从每小题A、B、C、D四个选项中,选出能回答所提问题或句子的最佳答案。
2019-2020学年四川省成都市武侯区西川中学九年级(上)期中数学试卷含答案

2019-2020学年四川省成都市武侯区西川中学九年级(上)期中数学试卷一、选择题(每小题3分,共30分)1.(3分)若=,则的值为()A.1B.C.D.2.(3分)如图所示的几何体的主视图是()A.B.C.D.3.(3分)下列命题中,真命题是()A.对角线相等的四边形是矩形B.对角线互相垂直的四边形是菱形C.顺次连接四边形的各边中点所得的四边形是平行四边形D.两条对角线互相平分且相等的四边形是正方形4.(3分)如图,测得BD=120m,DC=60m,EC=50m,则河宽AB为()A.120m B.100m C.75m D.25m5.(3分)书架上有3本小说、2本散文,从中随机抽取1本恰好是小说的概率是()A.B.C.D.6.(3分)若关于x的一元二次方程x2+x﹣3m=0有两个不相等的实数根,则m的取值范围是()A.m>B.m<C.m>D.m<7.(3分)对于反比例函数,下列说法不正确的是()A.点(﹣3,1)在它的图象上B.它的图象在第二、四象限C.当x>0时,y随x的增大而增大D.当x<0时,y随x的增大而减小8.(3分)如图,在菱形ABCD中,对角线AC与BD交于点O,OE⊥AB,垂足为E,若∠ADC=130°,则∠AOE的大小为()A.75°B.65°C.55°D.50°9.(3分)已知点C是线段AB的黄金分割点,且AC>BC,AB=200,则AC的长度是()A.200(﹣1)B.100(﹣1)C.100(3﹣)D.50(﹣1)10.(3分)如图,在直角梯形ABCD中,AD∥BC,∠ABC=90°,AB=7,AD=3,BC=4.点P为AB 边上一动点,若△P AD与△PBC是相似三角形,则满足条件的点P的个数是()A.1个B.2个C.3个D.4个二、填空题(共4小题,每小题4分,满分16分)11.(4分)若两个相似三角形的周长比为2:3,则它们的面积比是.12.(4分)已知x=2是关于x一元二次方程x2+kx﹣6=0的一个根,则另一根是.13.(4分)如图,在▱ABCD中,E在AD上,=,CE交BD于F,则S△BCF:S△DCF=.14.(4分)如图,函数y=kx(k≠0)与y=的图象交于A,B两点,过点A作AM垂直于x轴,垂足为点M,则△BOM的面积为.三、解答题(共54分)15.(10分)(1)解方程:x2+2x﹣8=0.(2)解方程:(2x﹣1)2﹣2(2x﹣1)=0.16.(8分)如图所示,图中的小方格都是边长为1的正方形,△ABC与△A′B′C′是以点O为位似中心的位似图形,它们的顶点都在小正方形的顶点上.(1)画出位似中心点O;(2)直接写出△ABC与△A′B′C′的位似比;(3)以位似中心O为坐标原点,以格线所在直线为坐标轴建立平面直角坐标系,画出△A′B′C′关于点O中心对称的△A″B″C″,并直接写出△A″B″C″各顶点的坐标.17.(8分)一天晚上,李明和张龙利用灯光下的影子长来测量一路灯D的高度.如图,当李明走到点A处时,张龙测得李明直立时身高AM与影子长AE正好相等;接着李明沿AC方向继续向前走,走到点B 处时,李明直立时身高BN的影子恰好是线段AB,并测得AB=1.25m,已知李明直立时的身高为1.75m,求路灯的高CD的长.(结果精确到0.1m).18.(8分)随着交通道路的不断完善,带动了旅游业的发展,某市旅游景区有A,B,C,D,E等著名景点,该市旅游部门统计绘出“五一“长假期间旅游情况统计图,根据以下信息解答下列问题.(1)“五一”期间,该市周边景点共接待游客万人,扇形统计图中A景点所对应的圆心角的度数是,并补全条形统计图.(2)甲、乙两个旅行团在A,B,D三个景点中进行选择,求同时选择去同一景点的概率为多少?(请用画树状图或列表法加以说明)19.(10分)如图,在平面直角坐标系xOy中,一次函数y=kx+b(k≠0)的图象与反比例函数y=(x<0)的图象交于第二象限内的A、B两点,过点A作AC⊥x轴于点C,OA=5,OC=4,点B的纵坐标为6.(1)求反比例函数和一次函数的解析式;(2)求△AOB的面积;(3)写出kx+b﹣<0的解集.20.(10分)如图1,E为正方形ABCD的边BC上一点,F为边BA延长线上一点,且CE=AF.(1)求证:DE⊥DF;(2)如图2,若点G为边AB上一点,且∠BGE=2∠BFE,△BGE的周长为16,求四边形DEBF的面积;(3)如图3,在(2)的条件下,DG与EF交于点H,连接CH且CH=5,求AG的长.四、填空题(共5小题,每小题4分,满分20分)21.(4分)已知x2﹣2x﹣2=0,代数式(x﹣1)2+2019的值为.22.(4分)从3,0,﹣1,﹣2,﹣3这五个数中,随机抽取一个数作为m的值,则使函数y=(5﹣m2)x 的图象经过第一、第三象限,且使关于x的方程(m+1)x2+mx+1=0有实数根的概率是.23.(4分)如图,在菱形ABCD中,∠BAD=120°,点E、F分别在边AB、BC上,△BEF与△GEF关于直线EF对称,点B的对称点是点G,且点G在边AD上.若EG⊥AC,AB=6,则FG的长为.24.(4分)如图,在平面直角坐标系中,菱形OBCD的边OB在x轴正半轴上,反比例函数y=(x>0)的图象经过该菱形对角线的交点A,且与边BC交于点F.若点D的坐标为(6,8),则点A的坐标是.25.(4分)如图,在正方形ABCD中,△BPC是等边三角形,BP、CP的延长线分别交AD于点E、F,连接BD、DP,BD与CF相交于点H.给出下列结论:①△ABE≌△DCF;②=;③DP2=PH•PB;④=.其中正确的是.(写出所有正确结论的序号)五、解答题(共3小题,满分30分)26.(8分)某商店经营儿童益智玩具,已知成批购进时的单价是20元.调查发现:销售单价是30元时,月销售量是230件,而销售单价每上涨1元,月销售量就减少10件,但每件玩具售价不能高于40元.设每件玩具的销售单价上涨了x元时(x为正整数),月销售利润为y元.(1)求y与x的函数关系式并直接写出自变量x的取值范围.(2)每件玩具的售价定为多少元时,月销售利润恰为2520元?(3)每件玩具的售价定为多少元时可使月销售利润最大?最大的月利润是多少?27.(10分)如图,在等腰三角形ABC中,∠BAC=120°,AB=AC=2,点D是BC边上的一个动点(不与B、C重合),在AC上取一点E,使∠ADE=30°.(1)求证:△ABD∽△DCE;(2)设BD=x,AE=y,求y关于x的函数关系式并写出自变量x的取值范围;(3)当△ADE是等腰三角形时,求AE的长.28.(12分)如图,已知在平面直角坐标系中,四边形OBCD为矩形,B点的坐标为(5,0),D的坐标为(0,4),A为x负半轴上一点,AD=CD.(1)求直线AC的解析式;(2)若点Q、P分别从点C、A同时出发,点Q沿线段CA向点A运动,点P沿线段AB向点B运动,Q点的速度为每秒个单位长度,P点的速度为每秒2个单位长度,设运动时间为t秒,△PQE的面积为S,求S与t的函数关系式(请直接写出自变量t的取值范围);(3)在(2)的条件下,过P点作PQ的垂线交直线CD于点M,在P、Q运动的过程中,是否在平面内有一点N,使四边形QPMN为正方形?若存在,求出N点的坐标;若不存在,请说明理由.2019-2020学年四川省成都市武侯区西川中学九年级(上)期中数学试卷参考答案与试题解析一、选择题(每小题3分,共30分)1.(3分)若=,则的值为()A.1B.C.D.【解答】解:∵=,∴==.故选:D.2.(3分)如图所示的几何体的主视图是()A.B.C.D.【解答】解:从前面看可得到左边有2个正方形,右边有1个正方形,所以选A.3.(3分)下列命题中,真命题是()A.对角线相等的四边形是矩形B.对角线互相垂直的四边形是菱形C.顺次连接四边形的各边中点所得的四边形是平行四边形D.两条对角线互相平分且相等的四边形是正方形【解答】解:A、对角线相等的平行四边形是矩形,所以A选项错误;B、对角线互相垂直的平行边形是菱形,所以B选项错误;C、顺次连接四边形的各边中点所得的四边形是平行四边形,所以C选项正确;D、两条对角线互相垂直平分且相等的四边形是正方形,所以D选项错误.故选:C.4.(3分)如图,测得BD=120m,DC=60m,EC=50m,则河宽AB为()A.120m B.100m C.75m D.25m【解答】解:∵∠ADB=∠EDC,∠ABC=∠ECD=90°,∴△ABD∽△ECD,∴=,∴AB===100(米).则两岸间的大致距离为100米.故选:B.5.(3分)书架上有3本小说、2本散文,从中随机抽取1本恰好是小说的概率是()A.B.C.D.【解答】解:∵书架上有3本小说、2本散文,共有5本书,∴从中随机抽取1本恰好是小说的概率是;故选:D.6.(3分)若关于x的一元二次方程x2+x﹣3m=0有两个不相等的实数根,则m的取值范围是()A.m>B.m<C.m>D.m<【解答】解:∵a=1,b=1,c=﹣3m,∴Δ=b2﹣4ac=12﹣4×1×(﹣3m)=1+12m>0,解得m>.故选:C.7.(3分)对于反比例函数,下列说法不正确的是()A.点(﹣3,1)在它的图象上B.它的图象在第二、四象限C.当x>0时,y随x的增大而增大D.当x<0时,y随x的增大而减小【解答】解:A、∵﹣=1,∴点(﹣3,1)在它的图象上,故本选项正确;B、k=﹣3<0,∴它的图象在第二、四象限,故本选项正确;C、k=﹣3<0,当x>0时,y随x的增大而增大,故本选项正确;D、k=﹣3<0,当x<0时,y随x的增大而增大,故本选项错误.故选:D.8.(3分)如图,在菱形ABCD中,对角线AC与BD交于点O,OE⊥AB,垂足为E,若∠ADC=130°,则∠AOE的大小为()A.75°B.65°C.55°D.50°【解答】解:在菱形ABCD中,∠ADC=130°,∴∠BAD=180°﹣130°=50°,∴∠BAO=∠BAD=×50°=25°,∵OE⊥AB,∴∠AOE=90°﹣∠BAO=90°﹣25°=65°.故选:B.9.(3分)已知点C是线段AB的黄金分割点,且AC>BC,AB=200,则AC的长度是()A.200(﹣1)B.100(﹣1)C.100(3﹣)D.50(﹣1)【解答】解:∵点C是线段AB的黄金分割点,且AC>BC,∴AC=AB,而AB=200,∴AC=×200=100(﹣1).故选:B.10.(3分)如图,在直角梯形ABCD中,AD∥BC,∠ABC=90°,AB=7,AD=3,BC=4.点P为AB 边上一动点,若△P AD与△PBC是相似三角形,则满足条件的点P的个数是()A.1个B.2个C.3个D.4个【解答】解:∵AB⊥BC,∴∠B=90°.∵AD∥BC∴∠A=180°﹣∠B=90°,∴∠P AD=∠PBC=90°.设AP的长为x,则BP长为7﹣x.若AB边上存在P点,使△P AD与△PBC相似,那么分两种情况:①若△APD∽△BPC,则AP:BP=AD:BC,即x:(7﹣x)=3:4,解得:x=3②若△APD∽△BCP,则AP:BC=AD:BP,即x:4=3:(7﹣x),解得:x=4或3.∴满足条件的点P的个数是2个,故选:B.二、填空题(共4小题,每小题4分,满分16分)11.(4分)若两个相似三角形的周长比为2:3,则它们的面积比是4:9.【解答】解:∵两个相似三角形的周长比为2:3,∴这两个相似三角形的相似比为2:3,∴它们的面积比是4:9.故答案为:4:9.12.(4分)已知x=2是关于x一元二次方程x2+kx﹣6=0的一个根,则另一根是﹣3.【解答】解:设方程的另一个根为x2,则2x2=﹣6,解得x2=﹣3,故答案为:﹣3.13.(4分)如图,在▱ABCD中,E在AD上,=,CE交BD于F,则S△BCF:S△DCF=3:1.【解答】解:∵,∴,∵四边形ABCD是平行四边形,∴AD∥BC,AD=CB,∴△DEF∽△BCF,∴,∴.故答案为:3:1.14.(4分)如图,函数y=kx(k≠0)与y=的图象交于A,B两点,过点A作AM垂直于x轴,垂足为点M,则△BOM的面积为.【解答】解:由题意得:OA=OB,则S△AOM=S△BOM,设A(a,b)(a>0,b>0),故OM=a,AM=b,将x=a,y=b代入反比例函数y=得:b=,即ab=3,又∵AM⊥OM,即△AOM为直角三角形,∴S△BOM=S△AOM=OM•AM=ab=.故答案是:.三、解答题(共54分)15.(10分)(1)解方程:x2+2x﹣8=0.(2)解方程:(2x﹣1)2﹣2(2x﹣1)=0.【解答】解:(1)∵x2+2x﹣8=0,∴(x+4)(x﹣2)=0,则x+4=0或x﹣2=0,解得x1=﹣4,x2=2;(2)令2x﹣1=a,则a2﹣2a=0,∴a(a﹣2)=0,∴a=0或a﹣2=0,解得a=0或a=2,当a=0时,2x﹣1=0,解得x=0.5;当a=2时,2a﹣1=2,解得x=1.5;综上,x1=0.5,x2=1.5.16.(8分)如图所示,图中的小方格都是边长为1的正方形,△ABC与△A′B′C′是以点O为位似中心的位似图形,它们的顶点都在小正方形的顶点上.(1)画出位似中心点O;(2)直接写出△ABC与△A′B′C′的位似比;(3)以位似中心O为坐标原点,以格线所在直线为坐标轴建立平面直角坐标系,画出△A′B′C′关于点O中心对称的△A″B″C″,并直接写出△A″B″C″各顶点的坐标.【解答】解:(1)图中点O为所求;(2)△ABC与△A′B′C′的位似比等于2:1;(3)△A″B″C″为所求;A″(6,0);B″(3,﹣2);C″(4,﹣4).17.(8分)一天晚上,李明和张龙利用灯光下的影子长来测量一路灯D的高度.如图,当李明走到点A处时,张龙测得李明直立时身高AM与影子长AE正好相等;接着李明沿AC方向继续向前走,走到点B 处时,李明直立时身高BN的影子恰好是线段AB,并测得AB=1.25m,已知李明直立时的身高为1.75m,求路灯的高CD的长.(结果精确到0.1m).【解答】解:设CD长为x米,∵AM⊥EC,CD⊥EC,BN⊥EC,EA=MA,∴MA∥CD∥BN,∴EC=CD=x米,∴△ABN∽△ACD,∴=,即=,解得:x=6.125≈6.1.经检验,x=6.125是原方程的解,∴路灯高CD约为6.1米18.(8分)随着交通道路的不断完善,带动了旅游业的发展,某市旅游景区有A,B,C,D,E等著名景点,该市旅游部门统计绘出“五一“长假期间旅游情况统计图,根据以下信息解答下列问题.(1)“五一”期间,该市周边景点共接待游客50万人,扇形统计图中A景点所对应的圆心角的度数是108°,并补全条形统计图.(2)甲、乙两个旅行团在A,B,D三个景点中进行选择,求同时选择去同一景点的概率为多少?(请用画树状图或列表法加以说明)【解答】解:(1)该市周边景点共接待游客数为:15÷30%=50(万人),A景点所对应的圆心角的度数是:30%×360°=108°,B景点接待游客数为:50×24%=12(万人),故答案为:50,108°;补全条形统计图如下:(2)画树状图可得:共有9种等可能的结果,其中同时选择去同一个景点的结果有3种,∴同时选择去同一个景点的概率为=.19.(10分)如图,在平面直角坐标系xOy中,一次函数y=kx+b(k≠0)的图象与反比例函数y=(x<0)的图象交于第二象限内的A、B两点,过点A作AC⊥x轴于点C,OA=5,OC=4,点B的纵坐标为6.(1)求反比例函数和一次函数的解析式;(2)求△AOB的面积;(3)写出kx+b﹣<0的解集.【解答】解:(1)在Rt△AOC中,AC===3,故点A的坐标为(﹣4,3),将A(﹣4,3)代入y=得m=﹣12,∴反比例函数的解析式为y=﹣;∵当y=6时,x=﹣2,∴B(﹣2,6),将A(﹣4,3),B(﹣2,6)代入y=kx+b得,解得,∴一次函数的解析式为y=x+9;(2)设一次函数交x轴于点R,把y=0代入y=x+9得:x=﹣6,即R的坐标是(﹣6,0),OR=6,S△AOB=S△BOR﹣S△AOR=6×6﹣×6×3=9;(3)由图象知kx+b﹣<0的解集为:x<﹣4或﹣2<x<0.20.(10分)如图1,E为正方形ABCD的边BC上一点,F为边BA延长线上一点,且CE=AF.(1)求证:DE⊥DF;(2)如图2,若点G为边AB上一点,且∠BGE=2∠BFE,△BGE的周长为16,求四边形DEBF的面积;(3)如图3,在(2)的条件下,DG与EF交于点H,连接CH且CH=5,求AG的长.【解答】(1)证明:∵四边形ABCD是正方形,∴AD=CD,∠DAF=∠DCE=90°,在△ADF和△CDE中,,∴△ADF≌△CDE(SAS)∴∠ADF=∠CDE,∵∠ADE+∠CDE=90°,∴∠ADF+∠ADE=90°,即∠FDE=90°,∴DE⊥DF;(2)解:∵∠BGE=2∠BFE,∠BGE=∠BFE+∠GEF,∴∠GEF=∠GFE,∴GE=GF,∵△BGE的周长为16∴BE+GB+GE=16∴BE+GB+GF=16∴BE+BA+AF=16∵CE=AF,∴BA+CB=16,∴BC=BA=8,∴S四边形DEBF=S四边形DEBA+S△ADF=S四边形DEBA+S△DCE=S正方形ABCD=AB2=64;(3)过点H作HP⊥HC交CB的延长线于点P,∵GF=GE,DF=DE,∴DG垂直平分EF,∵∠FDE=90°,∴DH=EH,∠DHE=∠PHC=90°,∴∠DHE﹣∠EHC=∠PHC﹣∠EHC,即∠DHC=∠EHP,∵在四边形DHEC中,∠HDC+∠HEC=180°,∠HEC+∠HEP=180°,∴∠HEP=∠HDC,在△HDC和△HEP中,,∴△HDC≌△HEP(ASA)∴DC=PE=8,CH=HP=5,∴在Rt△PHC中,PC=10,∴EC=PC﹣PE=2,∴AF=2,BE=6,在Rt△BGE中,设EG=x,则BG=10﹣x,由勾股定理得,(10﹣x)2+62=x2解得:x=,∴AG=GF﹣AF=.四、填空题(共5小题,每小题4分,满分20分)21.(4分)已知x2﹣2x﹣2=0,代数式(x﹣1)2+2019的值为2022.【解答】解:∵x2﹣2x﹣2=0,即x2﹣2x=2,∴x2﹣2x+1=3,即(x﹣1)2=3,则原式=3+2019=2022.故答案为:2022.22.(4分)从3,0,﹣1,﹣2,﹣3这五个数中,随机抽取一个数作为m的值,则使函数y=(5﹣m2)x 的图象经过第一、第三象限,且使关于x的方程(m+1)x2+mx+1=0有实数根的概率是.【解答】解:∵所得函数的图象经过第一、三象限,∴5﹣m2>0,∴m2<5,∴3,0,﹣1,﹣2,﹣3中,3和﹣3均不符合题意,将m=0代入(m+1)x2+mx+1=0中得,x2+1=0,Δ=﹣4<0,无实数根;将m=﹣1代入(m+1)x2+mx+1=0中得,﹣x+1=0,x=1,有实数根;将m=﹣2代入(m+1)x2+mx+1=0中得,x2+2x﹣1=0,Δ=4+4=8>0,有实数根.故方程有实数根的概率为;故答案为:.23.(4分)如图,在菱形ABCD中,∠BAD=120°,点E、F分别在边AB、BC上,△BEF与△GEF关于直线EF对称,点B的对称点是点G,且点G在边AD上.若EG⊥AC,AB=6,则FG的长为3.【解答】解:∵四边形ABCD是菱形,∠BAD=120°,∴AB=BC=CD=AD,∠CAB=∠CAD=60°,∴△ABC,△ACD是等边三角形,∵EG⊥AC,∴∠AEG=∠AGE=30°,∵∠B=∠EGF=60°,∴∠AGF=90°,∴FG⊥BC,∴2•S△ABC=BC•FG,∴2××(6)2=6•FG,∴FG=3.故答案为3.24.(4分)如图,在平面直角坐标系中,菱形OBCD的边OB在x轴正半轴上,反比例函数y=(x>0)的图象经过该菱形对角线的交点A,且与边BC交于点F.若点D的坐标为(6,8),则点A的坐标是(8,4).【解答】解:∵点D的坐标为(6,8),∴OD==10,∵四边形OBCD是菱形,∴OB=OD=10,∴点B的坐标为:(10,0),∵AB=AD,即A是BD的中点,∴点A的坐标为:(8,4),故答案是:(8,4).25.(4分)如图,在正方形ABCD中,△BPC是等边三角形,BP、CP的延长线分别交AD于点E、F,连接BD、DP,BD与CF相交于点H.给出下列结论:①△ABE≌△DCF;②=;③DP2=PH•PB;④=.其中正确的是①③④.(写出所有正确结论的序号)【解答】解:∵△BPC是等边三角形,∴BP=PC=BC,∠PBC=∠PCB=∠BPC=60°,在正方形ABCD中,∵AB=BC=CD,∠A=∠ADC=∠BCD∠ABC=90°,∴∠ABE=∠DCF=30°,在△ABE与△CDF中,,∴△ABE≌△DCF(ASA),故①正确;∵PC=CD,∠PCD=30°,∴∠PDC=75°,∴∠FDP=15°,∵∠DBA=45°,∴∠PBD=15°,∴∠FDP=∠PBD,∵∠DFP=∠BPC=60°,∴△DFP∽△BPH,∴===,故②错误;∵∠PDH=∠PCD=30°,∵∠DPH=∠DPC,∴△DPH∽△CDP,∴=,∴PD2=PH•CD,∵PB=CD,∴PD2=PH•PB,故③正确;如图,过P作PM⊥CD,PN⊥BC,设正方形ABCD的边长是4,△BPC为正三角形,∴∠PBC=∠PCB=60°,PB=PC=BC=CD=4,∴∠PCD=30°∴PN=PB•sin60°=4×=2,PM=PC•sin30°=2,S△BPD=S四边形PBCD﹣S△BCD=S△PBC+S△PDC﹣S△BCD=×4×2+×2×4﹣×4×4=4+4﹣8=4﹣4,∴=.故答案为:①③④.五、解答题(共3小题,满分30分)26.(8分)某商店经营儿童益智玩具,已知成批购进时的单价是20元.调查发现:销售单价是30元时,月销售量是230件,而销售单价每上涨1元,月销售量就减少10件,但每件玩具售价不能高于40元.设每件玩具的销售单价上涨了x元时(x为正整数),月销售利润为y元.(1)求y与x的函数关系式并直接写出自变量x的取值范围.(2)每件玩具的售价定为多少元时,月销售利润恰为2520元?(3)每件玩具的售价定为多少元时可使月销售利润最大?最大的月利润是多少?【解答】解:(1)根据题意得:y=(30+x﹣20)(230﹣10x)=﹣10x2+130x+2300,自变量x的取值范围是:0<x≤10且x为正整数;(2)当y=2520时,得﹣10x2+130x+2300=2520,解得x1=2,x2=11(不合题意,舍去)当x=2时,30+x=32(元)答:每件玩具的售价定为32元时,月销售利润恰为2520元.(3)根据题意得:y=﹣10x2+130x+2300=﹣10(x﹣6.5)2+2722.5,∵a=﹣10<0,∴当x=6.5时,y有最大值为2722.5,∵0<x≤10且x为正整数,∴当x=6时,30+x=36,y=2720(元),当x=7时,30+x=37,y=2720(元),答:每件玩具的售价定为36元或37元时,每个月可获得最大利润,最大的月利润是2720元.27.(10分)如图,在等腰三角形ABC中,∠BAC=120°,AB=AC=2,点D是BC边上的一个动点(不与B、C重合),在AC上取一点E,使∠ADE=30°.(1)求证:△ABD∽△DCE;(2)设BD=x,AE=y,求y关于x的函数关系式并写出自变量x的取值范围;(3)当△ADE是等腰三角形时,求AE的长.【解答】证明:(1)∵△ABC是等腰三角形,且∠BAC=120°,∴∠ABD=∠ACB=30°,∴∠ABD=∠ADE=30°,∵∠ADC=∠ADE+∠EDC=∠ABD+∠DAB,∴∠EDC=∠DAB,∴△ABD∽△DCE;(2)如图1,∵AB=AC=2,∠BAC=120°,过A作AF⊥BC于F,∴∠AFB=90°,∵AB=2,∠ABF=30°,∴AF=AB=1,∴BF=,∴BC=2BF=2,则DC=2﹣x,EC=2﹣y.∵△ABD∽△DCE,∴,∴,化简得:y=x+2(0<x<2);(3)当AD=DE时,如图2,由(1)可知:此时△ABD≌△DCE,则AB=CD,即2=2﹣x,将x=2﹣2,代入y=x+2.解得:y=4﹣2,即AE=4﹣2,当AE=ED时,如图3,∠EAD=∠EDA=30°,∠AED=120°,∴∠DEC=60°,∠EDC=90°,则ED=EC,即y=(2﹣y),解得:y=,即AE=,当AD=AE时,∠AED=∠EDA=30°,∠EAD=120°,此时点D与点B重合,不符合题意,此情况不存在,∴当△ADE是等腰三角形时,AE=4﹣2或.28.(12分)如图,已知在平面直角坐标系中,四边形OBCD为矩形,B点的坐标为(5,0),D的坐标为(0,4),A为x负半轴上一点,AD=CD.(1)求直线AC的解析式;(2)若点Q、P分别从点C、A同时出发,点Q沿线段CA向点A运动,点P沿线段AB向点B运动,Q点的速度为每秒个单位长度,P点的速度为每秒2个单位长度,设运动时间为t秒,△PQE的面积为S,求S与t的函数关系式(请直接写出自变量t的取值范围);(3)在(2)的条件下,过P点作PQ的垂线交直线CD于点M,在P、Q运动的过程中,是否在平面内有一点N,使四边形QPMN为正方形?若存在,求出N点的坐标;若不存在,请说明理由.【解答】解:(1)∵四边形OBCD为矩形,B点的坐标为(5,0),D的坐标为(0,4),∴CD=5,DO=4,∴AD=CD=5,在Rt△AOD中,由勾股定理得:AO===3.∴A(﹣3,0),C(5,4).设直线AC的解析式为,y=kx+b,由题意得,解得:.故直线AC的解析式为:y=x+.(2)∵当x=0时,y=,∴E(0,),∴OE=,∴DE=.在Rt△CDE和Rt△AOE中,由勾股定理得:CE=,AE=,∴AC=4.∵OA=3,OB=5,∴AB=8,∵BC=4,∴tan∠BAC=,sin∠BAC=,∴当0<t<时,S=﹣=﹣t2+t;当<t≤4时,S=﹣=t2﹣t.综上所述,S=;(3)①如图1,作NH⊥CD与H,MG⊥AB与G,QR⊥AB与R,∴∠MHN=∠MGP=∠PRQ=90°,∵四边形QPMN为正方形,∴MP=MN=PQ,∠NMP=∠MPQ=90°,∴∠NMH=∠GMP=∠QPR,在△MHN和△PRQ中,,∴△MHN≌△PRQ(AAS).∴NH=QR.在△GMP和△RPQ中,,∴△GMP≌△RPQ(AAS),∴GM=RP,GP=QR,∵GM=OD=4cm,∴RP=4cm.∵=,∴AR=8﹣2t,∴PR=8﹣2t﹣2t=4,∴t=1,∴AR=6,AP=2,∴PO=1,∵=,∴QR=3,∴GO=4,∴HN=3,MH=4,∴H、O在同一直线上,∴N(0,7);②如图2,作NS⊥CD于S,QH⊥AB于H,MR⊥AB于R,∴∠NSM=∠QHP=∠PRM=90°,∵四边形PQNM是正方形,∴∠QPM=∠PMN=90°,PQ=PM=MN,∴∠HPQ=∠PMR=∠NMS,∴同①可以得出△NSM≌△QHP≌△PRM,∴NS=QH=PR,HP=MR=SM=4,∵=,∴=,∴AH=8﹣2t,∴2t﹣(8﹣2t)=4,∴t=3,∴AH=2,HO=1,∴QH=SN=1,OR=4,∴SM=OR,∴S在y轴上,∴N(0,5).综上所述,N点的坐标为:(0,7)或(0,5).。
人教版2019-2020学年度九年级英语上册第五单元测试题

密学校 班级姓名 学号密 封 线 内 不 得 答 题人教版2019-2020学年度九年级英语上册第五单元测试题及答案(考试时间:60分钟 满分:100分)一、单项选择(15分)1.— What is the fork made of?—It is made of ______.A. silkB. cottonC. steelD. grass2.Flowers in my classroom ______ every week.A. WaterB. wateredC. are wateredD. were watered3.— ______ were these cars produced?—In Guangzhou and Shenzhen.A. WhatB. WhereC. HowD. When 4.—Does she like singing English songs?—Yes. She ______ to sing English songs in her room.A. heardB. is often heardC. often heardD. hears 5.No matter ______, please keep quiet in the library. A. where are you B. where you are C. who are you D. who you are6.—Why does your uncle buy a ______ house?—Because he doesn ’t have enough money to buy a new one.A. useB. usingC. usedD. is used7.—Why do they often fly kites on the beach?—They fly kites ______ healthy.A. keepB. stayC. to stayingD. to keep8.People often lit a fire to ask for help when ______in the old days.A. in troubleB. in personC. such asD. send out9.My grandparents _____ many chickens on the sides of mountains.A. keepB. are keepC. are keptD. to keep10.— The noodles in this restaurant are very delicious. —Yes, you’re right. They make them ______.A. use handB. use handsC. by handD. by hands二、用所给词的适当形式填空。
2019-2020学年九年级英语上册 Module_5测试题 人教新目标版

2019-2020学年九年级英语上册 Module_5测试题人教新目标版一、单项选择(本题共20分,每小题1分)从每小题中A、B、C、D中选出一个能填入句中空白处的最佳答案。
1.- -“Don’t make any noise in the theatre.”---“_________.”A. Sorry, I can’tB. Sorry, I won’tC.Yes, I willD.Yes, I won’t2.You visit the museum_______ you have time.A. whileB. as soon asC.as long asD.as much as3._____ , remember to send us your photos as soon asYou get there.A.Above allB. Of allC.At allD. After all4. Either you or he ____ the chance to give your speech at the meeting.A. haveB. hasC.isD.are5.Seeing the _____result ,she can’t help crying.A.amazeB. amazedC.amazingD.amazes6.______ means “Don’t play a joke.”A . No a joke B.Not joke C.No joking D.Not play jokes.7.He looked forward to_____ the British Museum.A.visitingB.visitC.visitedD.a visit8.When you see the sign “E xit”, you know you can ______from here.A. go inB.go outC.go upstairsD. go downstairs9-- Lily, keep the window _____.The sandstorm hasn’t stopped yet.--Ok ,I’ll do that.A.closeB.closedC.openD.opened10.---“Hi,where are you going? See what the sign _______!”----“Sorry, I __________it.”A.speaks; d on’t noticeB. says; don’t noticeC.speaks; didn’t notice C. says; didn’t n otice11.Teenagers shouldn’t go on holiday ________.A.lonelyB.by oneselfC. aloneD.on one’s own12.It’s very important for students to pay attention to______ the teacher in class.A. \B.listen toC. listeningD.hear13.______ you’re tired ,you’ve been working for hours.A.IfB.BecauseC.ThoughD. No wonder14.Toys made in China are usually much cheaper than _____made in America.A. onesB.thoseC. thatD. it15.-______!Didn’t you see the sign “No touching!”?-Sorry,I didn’t see it.A. Try outB. Come onC. Hurry upD. Hang on a minute16.-Do you know Li Jun well?-Yes, he and I _______friends since we met in Guangzhou last summer.A .have made B. have become C. have been D .have turned17.You can______ at the museum when you stay in London.A. drop inB. fill withC. look forward toD. visit18.How many books _________ in your library at a time?A .can borrow B. will borrow C. can be borrowed D. will be borrow19.-Where _______the mooncakes with nuts________?-They were so delicious.A. did ,makeB. do, makeC. were, madeD. were make20.We________ that there would be a talk this afternoon.A .told B. are telling C. were told D. are told题号 1 2 3 4 5 6 7 8 9 10答案题号11 12 13 14 15 16 17 18 19 20答案二、阅读理解(本题共30分,每小题2分)阅读下列短文,从各题A、B、C、D中选出能回答所提问题或完成所给句子的最佳答案。
人教新目标版2019-2020学年九年级英语第一学期Unit 5 单元测试卷(含答案)

2019-2020学年九年级英语第一学期Unit 5 单元测试卷得分________卷后分________评价________听力部分(20分)一、听句子,选择正确的答语。
(5×1分=5分)()1.A.Yes,it has.B.No,it doesn't.C.Yes,it is.()2.A.Cloth. B.In China. C.Expensive.()3.A.It's nice. B.I'll take it. C.Cotton.()4.A.That's right. B.It's cold. C.Sounds bad.()5.A.It is made of paper. B.That sounds interesting.C.They are made in America.二、听短对话,选择正确的答案。
(5×1分=5分)()6.Who made the dress?A.Kelly. B.Kelly's sister.C.Kelly's mother.()7.How many people are going to Weifang?A.One. B.Two. C.Three.()8.What are those chopsticks made of?A.Bamboo. B.Wood. C.Silver.()9.How did Grace spend the morning?A.She made a clay toy.B.She painted the clay pieces.C.She drew some pictures.()10.What are they talking about?A.How the paper cutting is made.B.Where the paper cutting is made.C.When the paper cutting is made.三、听长对话,选择正确的答案。
2019-2020学年九年级英语Unit1-Unit5综合测试题人教新目标版.docx

2019-2020学年九年级英语Unit1-Unit5综合测试题人教新目标版Part I (共 60分 )I. 单项选择。
(每小题 1 分,共 20 分)( ) 1.—_____ do you deal with the problems in your life?— In many ways. By _____ something worse, for example.A. What; think ofB. What; thinking ofC. How; thinking ofD. How; think of( ) 2. He _____ dislike the weather in Beijing in spring, because there is so much wind and sand. But now he ____ it.A. is used to; used toB. used to; is used toC. was used to; is used toD. used to; uses to( )3.— Can I sit here to have a rest?— Sorry, you can’ t. The passengers (旅客 ) _______ to do that.A. aren ’t allowedB. were allowedC. are allowedD. weren ’t allowed( ) 4. At first Jim and Linda hated each other, but they ended up _________.A. to get marriedB. get marriedC. getting marriedD. gets married( )5.— Mum, I plan to go to Mount Huashan this weekend.— To climb the mountain? On such a hot day? I would go to the seashore if I ____you.A. areB. will beC. amD. were() 6.— Tina ’s dog was hit by a car and died.— She ____ be sad to death. It’s her favorite, you know.A. mightB. can ’tC. couldD. must() 7.— Why did you give up learning Korean?— Well,I found _______ difficult to learn two foreign languages at the same time.A. itB. this isC. that isD. that() 8.— Can I pass the exam this time, sir?— My boy, you can ’t expect to get good grades ______ you study hard.A. ifB. even thoughC. even ifD. unless( )9.As a famous basketball player, Yao Ming has ____ fans. He’s popular among the young.A. millionB. millions ofC. million ofD. millions( ) 10. There _____ a sports meeting in our school if it _____ next week.A. is going to have; doesn’t rainB. will be; isn’t rainingC. is going to be; doesn’t rainD. will have; rains( )11.Jim didn ’t do his homework ______.He always makes a few mistakes in his work.A. careful enoughB. enough carefulC. carefully enoughD. enough carefully()12.As a student,you shouldn ’t _____ much attention _____ clothes and games. A. pay; on B. concentrate; toC. pay; inD. concentrate; on() 13.— The three of them agree to clean the room for Miss Liu tomorrow.— _____ they do not come?A. Even ifB. What ifC. Even thoughD. What about( ) 14.—There’s _____ time; you don’t need to hurry, Jack.— But I want to see her as early as possible.A. littleB. a number ofC. a lotD. plenty of( ) 15.—Come on! You don’t want to let your friends down, do you?— No. But I ’m _____ of speaking in front of other people.A. terrifyingB. terrifiedC. not scaryD. not afraid( ) 16.—Must I finish the housework now?— No, you _______. You can do it tomorrow.A. mustn ’tB. can ’tC. needn ’tD. don ’t() 17.Miss Zhang is very kind to her students. She is always ________ with them.A. strictB. angryC. patientD. annoyed() 18.— What’s behind the tree? Can you guess?— There might be a big dog _________ there.A. sitB. satC. sittingD. is sitting( )19.He _______ be in the room. The light in the room is not on.A. mustB. mustn ’tC. canD. can’t( )20.I used to sleep ______ the light _____ when I was a child.A. in; onB. with; openC. with; onD. turn; onII.用所给词的适当形式填空,使句子完整、通顺。
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成都市西川中学2019-2020学年九年级上册Unit5试卷A卷(选择题:共100分)第一部分听力(共30分)略第二部分基础知识运用(共40分)六、单项选择。
(共15小题,计20分)A.选择最佳选项完成句子。
(共10小题,每小题1分;计10分)( )31.---I bought my brother _______ fork as his fifteenth birthday present.---What is _______ fork made of?A. the; aB. a; theC.a;a( )32. Weifang has been widely known _______ its kites, and an international kite festival is held there every year.A.asB. fromC. for( )33. ---Are the visitors all from _______?---No, there are only 5 _______ in the group.A. German; GermansB. German; GermanyC.Germany; Germans( )34.Kang Jian found _______ interesting that American flags are made in China.A.itB. thisC. that( )35.---What should I do next? I _______ the clay piece.---Paint it with colors.A. will polishB. polishedC. have polished( )36. As we all know, it is important for people to avoid _______ mistakes.A. madeB.makingC. to make( )37. Before being _______ processing, they need to be packed well.A. sent upB.sent outC. sent for( )38. ---Mom, is it OK for me to watch TV for a while?---Sorry. Why not watch TV after your homework _______?A completed B. has completed C. is completed( )39. It's really interesting that _______ where I go, I can see something made in China.A.no matterB. even thoughC. so that( )40.---Could you tell me _______?---In France. My father bought it for me when he was on business there.A. what the cap is made ofB. where the cap was madeC. when the cap was madeB.根据上下文,从方框中选择句子补全对话。
(共5小题,每小题2分;计10分)A: Good morning, sir. What can I do for you?B:___41____A: Oh, good! We have lots of new shirts of different styles (款式). This way, please. ___ 42____B: Let me have a look first.A:___43____. It feels soft and cool in summer.B: The green one looks nice. Can I try it on?A; Of course. Hmm, it fits you very well.B: Thank you! ___44____A: $78.B: That is a little bit expensive.A; But it really looks beautiful on you.___45____B: OK. I'll take it.41._______ 42._______ 43._______ 44._______ 45._______七、完形填空。
阅读下面两篇短文,根据短文内容,从A、B、C三个选项中选出可以填入空白处的正确答案。
(共15小题,计20分。
A篇5空,每小题2分,计10分;B篇10空,每小题1分,计10分)AIn America, many products include the words "Made in China". But Georgia Chopsticks, one small company (公司) in America, is making traditional Chinese chopsticks and sending them to China.Chopsticks are usually made ___46____ wood or bamboo. About one-third of the world's population uses them to eat food. They are ___47____ used in many Asian countries. Most of the world's chopsticks are made in China. Several hundred Chinese factories ___48____ about 63,000,000,000 pairs of chopsticks a year. However, those need more wood and bamboo.Jae Lee, the ___49____ of Georgia Chopsticks has realized this situation. He opened the company in 2010. Today the company has 57 people in ___50____ factory. "The world market for chopsticks is huge,” said Jae Lee, “I hope to increase production and provide more employments (岗位).”( )46. A.of B. for C. from( )47.A. easily B. widely C. successfully( )48. A. pack B. process C. produce( )49.A. boss B. competitor C. postman( )50.A.his B. its C. theirBChinese people started to use hand fans(扇子)over 2,000 years ago. The fans came in different ___51____, such as round and square. They were also made from all kinds of ___52____ . Palm leaf(棕榈叶) fans were cheap and easy to make. Feather(羽毛) fans ___53____ one's high social position. Sandalwood (檀香) fans could send out a sweet smell.Later, hand fans were not just things that help drive the ___54____ away. They developed into art works. Of all these art works, tuanshan (round fans) and zheshan (folded fans) were the most ___55____. They were widely used in everyday life.Tuanshan was usually made of silk. Women liked to use them. Men, ___56____ the literati (文人), used zheshan. The literati liked them because zheshan were usually made of ___57____ . They could paint and write on them, It was a way for them to show off their ability in painting, handwriting and literature. Almost ___58____ can be painted on zheshan.Today, Chinese people still use these fans, ___59____ not many people write or paint on them anymore. Next time when you are using a fan, you may ___60____ the stories behind it.( )51. A. shapes B. fairs C.brands( )52. A. forms B materials C.products( )53. A. polished B. completed C.showed( )54. A. heat B. air C.pressure( )55. A. special B. common C.interesting( )56. A. exactly B. actually C.especially( )57. A. paper B. glass C.steel( )58. A. something B. everything C.nothing( )59.A. but B. because C.unless( )60. A. send out B. search for C.think of第三部分阅读理解(共15小题,计30分)八、阅读短文,判断正误。