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浙教版九年级(上)数学试题卷1--3章

浙教版九年级(上)数学试题卷1--3章

如图,⊙O 中,弦AB 的长为A .13cm B .14cm 反比例函数xy 6=图象上有三个点1y ,2y ,3y 的大小关系是(A .y y y << B . A . B . C . D .二、填空题(本题有6小题,每题5分,共30分) 11.反比例函数xy 6=当自变量x = ―3时,函数值为 . 12.二次函数2)1(32+--=x y 图象的顶点坐标是 _ _ __.则弦AB 的长是 cm .15.数学课本上,用“描点法”画二次函数y =ax 2+bx +c 的图象时,列了如下表格:根据表格上的信息回答问题:该二次函数y =ax 2+bx +c 图像的对称轴是_ ___. 16.两个反比例函数48,y y x x==-的图象在第一象限,第二象限如图,点P 1、P 2、P 3……P 2012在4y x=的图象上,它们的横坐标分别是有这样规律的一行数列1,3,5,7,9,11,……,过点P 1、P 2、P 3、……、P 2012分别做x 轴的平行线,与8y x=-的图象交点依次是Q 1 、Q 2、Q 3、……、Q 2012,则点Q 2012的横坐标是.三、解答题(本题有8小题,第17、 18、19题每题8分,第20、21、22题每题10分,第23题12分,第24题14分,共80分)17.某国际帆船中心要修建一处公共服务设施,使它到三所运动员公寓A ,B ,C 的距离相等. (1) 若三所运动员公寓A 、B 、C 的位置如图所示,请你在图中确定这处公共服务设施(用点P 表示)的位置; (用直尺和圆规找)(2) 若∠BAC =56°º,则∠BPC = 度.18.已知反比例函数y = kx 的图象与二次函数y =ax 2+x -1的图象相交于点(2,2)(1)求a 和k 的值;(4分)(2)试说明反比例函数的图象是否经过二次函数图象的顶点。

(4分) B19.如图,⊙O 的直径AB 平分弦CD, CD =10cm, AP : PB=1 : 5.求⊙O 的半径.20.如图,函数b x k y +=11的图象与函数xk y 22=的图象交于A 、B 两点,与y 轴交于C 点,已知A 点坐标为(2,1),C 点坐标为(0,3). (1)求函数1y 的表达式和B 点的坐标; (5分)(2)观察图象,在第一象限内(x >0)当x 取什么样的范围时,可使1y <2y .?(5分)20.如图,AB 是⊙O 的直径,C 是的中点,CE ⊥AB 于E ,BD 交CE 于点F .(1)试判断∠A 与∠BCE 的关系,并进行说明;(5分) (2)求证:BF = CF .(5分)22.如图,已知二次函数c bx x y ++-=221的图象经过A (2,0)、B (0,―6)两点. (1)求这个二次函数的解析式.(6分)(2)设该二次函数的对称轴与x 轴交于点C ,连结BA 、BC ,求△ABC 的面积.(4分)B23.(本题满分12分)某商场购进一批单价为5元的日用商品.如果以单价7元销售,每天可售出160件.根据销售经验,提高销售单价会导致销售量的减少,即销售单价每提高1元,销售量每天就相应减少20件。

浙教版九年级上册第一二章测试卷

浙教版九年级上册第一二章测试卷

九年级上册第一、二章测试卷相对原子质量:Zn:65Ca:40C:12O:16H:1Na:23Cl:35.5一、选择题(本大题共有15小题,每小题3分,共45分,每小题只有一个选项是正确的,不选、多选、错选均不给分)1.保护环境,人人有责,生活垃圾分类投放是我市环境保护的重点工作之一,如果我们在路上看到易拉罐,应该拾起投入到贴有下列哪种标志的垃圾收集箱中()2.如图是我们常见的水果及其近似pH,其中酸性最强的是()A.西瓜pH=6.6B.葡萄pH=5.1C.猕猴桃pH=3.3D.桔子pH=3.63.下列关于金属的说法中,不正确的是()A.铜有良好的导电性,常用于制作导线B.所有的金属都能与稀盐酸反应C.铁制品在干燥的空气中不易生锈D.不锈钢具有较强的耐腐蚀性,可用于制作医疗器械4.如图两圆相交部分是五种物质中两两之间相互反应的示意图.下列对反应现象的说法中,错误的是()A.a处形成浅绿色溶液B.b处形成大量气泡C.c处反应没有明显现象D.d处溶液呈红色5.规范的操作是实验成功的前提,下列实验操作正确的是()A.读取液体体积B.滴加液体C.取用氯化钠D.稀释浓硫酸6.下列有关物质的分类中,说法错误的是()A、KNO3属于硝酸盐B、CaO属于氧化物C、NaHCO3属于酸D、Na2CO3属于钠盐7.将下列物质同时加入到水中,能大量共存且得到无色透明溶液的是() A.CaCl2HCl NaNO3B.KOH HCl(NH4)2SO4C.K2CO3Ba(NO3)2NaOH D.FeCl3NaCl KNO38.下列药品未经密封保存,敞口放置一段时间后,质量增加并发生化学反应的是()①烧碱②碳酸③浓盐酸④浓硫酸⑤熟石灰A.①③B.②④C.①⑤D.④⑤9.下列物质的名称、俗名与化学式完全对应的是()A.氯化钠食盐NaCl2B.碳酸氢钠纯碱NaHCO3 C.氢氧化钙熟石灰CaO D.氢氧化钠火碱NaOH10.硅材料是太阳能电池及电脑芯片中不可缺少的材料,随着一批多晶硅生产企业在乐山建成投产,乐山将成为我国重要的硅材料产业基地。

重庆一中初2021级九年级上数学国庆习题一(word版,含答案)

重庆一中初2021级九年级上数学国庆习题一(word版,含答案)

重庆一中初2021级九年级上数学国庆习题一(全卷共三个大题,满分:150分,时间:120分)一、选择题:(本大题12个小题,每小题4分,共48分,在每个小题的下面,都给出了代号为A 、B 、C 、D 的四个答案,其中只有一个正确) 1. 函数y =的自变量取值范围是( ).A. 0x ≠B. 3x >-C. 3x ≥且0x ≠D. 3x >-且0x ≠2. 下列平面图形中既是中心对称图形又是轴对称图形的是( ). A. 菱形B. 等边三角形C. 平行四边形D. 等腰梯形3. 若一个多边形的每个内角都相等,且都为160°,则这个多边形的内角和是( )度. A. 2520B. 2880C. 3060D. 32404. 抛物线2362y x x =-++的对称轴是( ). A. 直线2x =B. 直线2x =-C. 直线1x =D. 直线1x =-5. 下列调查中,最适合采用普查方式的是( ). A. 对重庆市民知晓“中国梦”内涵情况的调查 B. 对全班同学1分钟仰卧起坐成绩的调查 C. 对2018年央视春节联欢晚会收视率的调查D. 对2017年全国快递包裹产生的包装垃圾数量的调查6. 如图,在ABC ∆中,DE ∥BC ,EF ∥CD ,那么下列结论错误的是( ). A.AB ACAD AE= B.AD AFAB AD= C.AB AC AF AE= D.EF DEDC BC=6题图 7题图7. 如图,在ABC ∆中,CA =CB =4,1cos 4C =,则sin B 的值为( ).A.2B.3 C.4D.48. 如图,函数221y ax x =-+和y ax a =-(a 是常数,且0a ≠)在同一平面直角坐标系中的图象可能是( )A. B. C. D.9. 为了测量重庆有名的观景点南山大金鹰的大致高度,小南同学使用的无人机进行观察. 当无人机与大金鹰侧面在同一平面,且距离水平面垂直高度GF 为100米时,小南调整摄像头方向,当俯角为45°时,恰好可以拍到大金鹰头顶的A 点;当俯角为63°时,恰好可以拍到大金鹰底座E 点. 已知大金鹰是雄踞在一人造石台上,石台侧面CE 长12.5米,坡度为1:0.75,石台上方BC 长10米,头部A 点位于BC 中点正上方. 则金鹰自身高度约为( )米.(结果保留一位小数:cos630.45︒≈,cos630.45︒≈,tan63 1.96︒≈) A. 26.5B. 36.4C. 36.5D. 63.59题图 11题图 12题图10. 若关于x 的不等式组1223122310x x x x a-⎧+≤⎪⎪⎨⎪-<-⎪⎩有且仅有5个整数解,且关于y 的分式方程2344a y y y -=+--有正整数解,则满足条件的所有整数a 的个数为( ) A. 6B. 5C. 4D. 311. 如图,在等边三角形ABC 中,点D 、E 分别是边AC 、BC 上的点. 将ABC ∆沿DE 翻折,点C 正好落在线段AB 上的点F 处,使得:2:3AF BF =. 若BE =16,则CE 的长度为( ) A. 18B. 19C. 20D. 2112. 如图,在平面直角坐标系中,矩形OABC 的顶点O 、A 在x 轴上,顶点C 在y 轴上,反比例函数ky x=(0,0)k x >>的图象经过矩形上的点D 、E ,且经过点D 、E 的直线交x 轴和y 轴于点G 和点F . 若:1:3CD CB =,FOG ∆的面积为,则k 的值为( )A.B.C. 4D. 8二、填空题:(本大题6个小题,每小题4分,共24分)13. 已知两个相似三角形的面积之比为4:9,则这两个相似三角形的对应边之比为 14. 计算:()113.143π-⎛⎫--= ⎪⎝⎭15. 一枚质地均匀的骰子,六个面上分别刻有1到6的点数,连续掷两次骰子,向上的一面点数之和不大于5的概率是16. a 、b 、c 是实数,点(1,)A a b +、(2,)B a c +在二次函数223y x ax =-+的图象上,则b 、c 的大小关系是(用“>”“<”填空)17. 一条笔直的公路上顺次有A 、B 、C 三地,小明驾车从B 地出发匀速行驶前往A 地,到达A 地后停止,在小明出发的同时,小李驾车从B 地出发匀速行驶前往A 地,到达A 地后停留2小时,然后掉头按原速向C 地行驶,若AB 两地相距200千米,在行驶的过程中,两人之间的距离y (千米)与小李驾驶时间x (小时)之间的函数图象如图所示,则在他们出发后经过 小时相遇.17题图 18题图18. 如图,Rt ABC ∆中,90ACB ∠=︒,AB =2AC ,BC =3,点E 是直线AB 上的动点,将ACE ∆沿CE 翻折,得到'A CE ∆,过点B 作BF ∥AC 交∠BAC 的平分线于点F ,连结'A F ,则'A F 长度的最小值为 . 三、解答题:(本大题7个小题,每小题10分,共70分)解答时每小题必须给出必要的演算过程或推理步骤,画出必要的图形(包括辅助线),请将解答过程书写在答题卡中对应的位置上.19. 计算:(1)()()()222x y x y x y --+-; (2)22121111a a a a a --+⎛⎫-÷ ⎪+-⎝⎭20. 如图,四边形ABCD 中,连结AC ,BD 交于点O ,∠ADO =∠CBO ,E 为线段OC 上一点,连结DE 并延长交BC 于点F .(1)求证:四边形ABCD 为平行四边形;(2)若∠ADE =45°,AD ⊥AC ,AE =3,CE =2,求三角形AOD 的面积.21. 目前微信、支付宝、共享单车和网购等给我们的生活带来了很多便利,某数学小组在校内对“你最认可的四大新生事物”进行调查,随机调查了m 人(每名学生必选一种且只能从这四种中选择一种)并将调查结果绘制成如下不完整的统计图.(1)根据图中信息求出m = ,n = ,并补全两个统计图;(2)根据抽样调查的结果,请估算全校2000名学生中,大约有多少人最认可“微信”这一新生事物; (3)已知A 、B 两位同学都最认可“微信”,C 同学最认可“支付宝”,D 同学最认可“网购”. 从这四名同学中抽取两名同学,请你通过树状图或表格,求出这两位同学最认可的新生事物不一样的概率.22. 已知函数251y x =+,请根据已学知识探究该函数的图象和性质.(1)列表,写出表中a 、b 、c 的值:a = ,b = ,c = ;(2)描点,连线:在如图所示的平面直角坐标系中画出该函数的图象,并写出该函数的一条性质: (3)已知函数1y x =-的图象如图所示,结合你所画的函数图象,直接写出不等式2511x x >-+的解集.23. 阅读下列材料并解决问题:定义:对于任意一个实数R ,定义R 的干数m 是与R 最接近的两个整数中较小的一个整数,R 的支数n 是R 减去R 的干数m 之差,即n R m =-.例如:实数2.07,因为与2.07最接近的两个整数时2和3,且2小于3,所以2.07的干数m =2,2.07的支数n =2.07-2=0.07;实数 1.72-,因为与 1.72-最接近的两个整数是1-和2-,且2-小于1-,所以 1.72-的干数2m =-, 1.72-的支数 1.72(2)0.28n =---=. 相关结论:m 是一个整数,n 的取值范围是01n ≤<.(1)实数10.8的干数m = ,实数34-的支数n = ;(2)某实数的干数是x ,支数是y ,且30.5x y +=,求这个实数.24. 人们常常在室内摆放一些绿色植物,这样做不仅增加了温馨舒适度,还有助于提高室内空气的质量. 千年某小区为了更好地提高住户的居住感受,为已入住的住户购置A 、B 两个品种的绿色植物共900盆,其中A 品种每盆20元,B 品种每盆30元.(1)已知该小区前年购置这900盆绿色植物共花费23000元,请分别求出已购置的A 、B 品种的数量; (2)今年该小区决定再次为已入住的住户购置绿色植物C 、D 两个新品种. 已知C 品种今年每盆的价格比A品种前年的价格优惠a %,D 品种今年每盆的价格比B 品种前年的价格优惠2%5a . 由于小区入住率的提高,今年需要购置C 品种的数量比A 品种前年购置的数量增加了1%2a ,购置D 品种的数量比B 品种前年购置的数量增加了a %,于是今年的总花费比前年增加了2%23a . 求a 的值.25. 如图,在平面直角坐标系中,抛物线23 2y ax bx=+-与x轴交于(3,0)A-,(1,0)B,与y轴交于点C,点(2,)D n在抛物线上.(1)求该抛物线的函数表达式;(2)过点B作BE∥AD交抛物线于点E,P为直线BE下方抛物线上一点,连结PD交直线BE于点F,连结AE、AF,求四边形AEPF的面积的最大值,并求出此时点P的坐标;(3)在(2)的条件下,M为直线BE上一动点,现将抛物线向左平移,使得新抛物线经过原点,则在新抛物线上是否存在点N,使得以点A、P、M、N为顶点的四边形为平行四边形?若存在,请直接写出点N的横坐标;若不存在,请说明理由.26. 在平行四边形ABCD 中,点F 在线段BC 上,且四边形ABEF 是平行四边形,连结BD 、DE 分别交AF 、BC 于点G 、H .(1)如图1,若AF ⊥BC ,点F 是BC 的中点,∠ADB =30°,AD =DE 的长;(2)如图2,若AF =AB ,BD ⊥BE ,且∠ADB =∠EDC ,求证:(1BD AB =+.重庆一中初2021级九年级(上)国庆作业一数学试题答案一、选择题二、填空题 三、解答题19. (1)解:2222244(2)56x xy y x xy y xy y=-+-+-=-+原式(2)解:22(1)1(1)(1)21a a a a a a a --=÷++-=--原式20.(1)是平行四边形四边形又,,中和在,ABCD AD//BC CBO ADO BCAD BOC ≌∴∴∠=∠=∴∆∆∴∠=∠=∠=∠∆∆∴∠=∠∠=∠ AOD CBO ADO CO AO DAO BCO BOC AOD COB AOD CBO ADO(2)∵∠ADE=45°,∠DAE=90°,AE=3∴AD=3 设OE=x ,则AO=3-x ,CO=x+2 ∴3-x=x+2,即x=0.5 ∴AO=3-x=2.5∴41521=⋅=∆AD AO S AOD21.(1)m = 100 ,n = 35 ; 补全图形(略)(2) 最认可“微信”这一新生事物人数在样本中的比例为:40%10004=∴估全校2000名学生中,最认可“微信”这一新生事物的人数为:80040%2000=⨯(人)(3)列表表可知,共有12种等可能的结果;其中这两位同学最认可的新生事物不一样的有10种结果。

九年级历史国庆节练习(一)

九年级历史国庆节练习(一)

九年级历史国庆节练习(一)1.下面是一位同学准备自编剧本中的一段:一位商人慕名来到了①文艺复兴的发源地英国,拜会了②文艺复兴的先驱莎士比亚,探讨了③但丁的悲剧《哈姆雷特》,他们还欣赏了④达·芬奇的《蒙娜丽莎》。

你认为剧本中应该修改的地方有A.①②③ B.②③④ C.①②④ D.①③④2.有人说英国“革命前是国王的议会,革命后是议会的国王”。

这表明英国资产阶级革命后确立了A.君主专制 B.君主立宪制 C.总统制 D.民主共和制3.每年的7月4日,是美国人民欢度国庆的日子。

下列哪一事件与美国国庆日有直接关系A.来克星顿枪声 B.波士顿战役 C.萨拉托加大捷 D.《独立宣言》发表4.拿破仑说:“我真正的光荣,并非打了40次胜仗,滑铁卢之战抹去了关于这一切的记忆。

但有一样东西不会被人忘却的,它将永垂不朽,那就是我的民法典。

”他这样评价其法典的主要理由应是A.法典是他亲自审定颁布的 B.法典是一部最为完整的法律文献C.法典彻底改变了社会面貌 D.法典确立了资本主义的立法规范5.第一次工业革命丰富了英国伦敦棉纺织业老板哈里斯的生活,在当时他可以A.在电灯下分析企业经济数据 B.驾驶汽车欣赏伦敦的夜景C.搭乘火车外出考察 D.使用有线电话谈生意6.“……乘船在悲惨的中段航程中横渡大西洋。

这些黑色的货物上了镣铐,锁在甲板上,没有卫生设备,他们忍受着可怕的待遇……”这里所说的“黑色的货物”主要运往A.欧洲 B.非洲 C.美洲 D.亚洲7.“起来,饥寒交迫的奴隶;起来,全世界受苦的人!”……这首雄壮的《国际歌》创作的最初动机是为了纪念A.宪章运动 B.德国工人运动 C.巴黎公社 D.《共产党宣言》发表8.“比较”是历史学习和历史研究的一种重要方法。

张立同学在比较美国独立战争和南北战争的历史影响时,列出了以下四点内容,其中惟一的相同点是A.摧毁了英国的殖民统治 B.废除了黑人奴隶制C.推动了欧洲和拉美革命 D.有利于资本主义发展9.运用所学知识判断下列属于俄国1861年改革与日本明治维新不同点的是A.是自上而下的资产阶级改革 B.走上了资本之义发展的道路C.摆脱了严重的民族危机 D.改革不彻底,保留了大量封建残余10.第二次工业革命开发和利用的能源中最符合环保标准的是A.煤炭 B.石油 C.电力 D.原子能11.1914年8月,欧洲一家报纸曾这样报道:“……正是这个名叫普林西普的塞尔维亚青年,点燃了战争的导火索。

人教版英语九年级国庆节Unit1-3基础复习作业题

人教版英语九年级国庆节Unit1-3基础复习作业题

国庆节英语U1-3 基础复习作业根据首字母、中文提示填空1. The parents should be p___________ with their children.2. Which subject do you think is more interesting, chemistry or ______________(物理)?3. I think reading the textbook every day is the s___________ to language learning.4. There are too many new words, can you help me ______________(发音) them?5. We should be a person with rich ______________(知识).6. You’d better r___________ your lessons you have learned on time.7. I often visit my r____________ and friends during the Spring Festival.8. Bob is a bad man, he s____________ a lot of things from a supermarket last Sunday.9. People celebrate Mid-Autumn Festival by a_____________ the moon.10. Do you know those _____________(陌生人) over there under the big tree?11. The man was p_____________ because he drank too much wine before he drove the car.12. When you accept a_______________(礼物) , you should use both hands.13. Jim likes reading all the short n____________ written by the famous writer.14. I want to buy some s___________, is there a post office near here?15. I don’t like _____________(葡萄) because they taste sour.16.she remembered the long article by r_____(重复)it over and over again.17.He is a w______________(明智的)boy. 18.Please read a___________(大声地)so that i can hear you.19.Please take these English t____________(课本)to your teacher.20. His____________ (发音) is so terrible that I can’t understand him.21. The students are having a ____________(化学) class in the lab.22.It’s fun to do___________(生意)with them. 23.There is a bank___________(在...附近)the supermarket.24.He quickly______________(摆开)out her favorite fruits in the garden last night .25. Try to translate all the s___________ into Chinese after class.26. Can you guess the true meaning of the e_____________ on their faces?27. Learning ___________(语法) is necessary.28. You must r___________ what I have said for three times.29. The population of China has i___________ so fast in the past few years.30. We should pay a____________ to the language points in the passage.31. Which festival do you like best, the Thanks-giving, the New Year of the C___________ Day?32. He is lying on the beach, enjoying the w________ of the sun.33. My pen pal sent a ____________(明信片) to me.34. There is a supermarket near my home, it’s c______________ for me to buy things.35. We should ask others for help ______________(礼貌).36. He is an i____________ boy, his classmates don’t like him.37. Can you tell me you phone number and your home a_____________?38. My answers are wrong, please tell me the c_____________ answers.39. If you are lost in a new city, you should ask for ____________(方位) in a ___________(礼貌) way.40. There is an u______________ parking lot in my neighborhood.用所给单词的正确形式填空1. Could you please tell me how __________(go) to the bookstore.2. Do you know when the store _________(close) every day.3. He is excited _________(try) the new ride.4. I was scared at first, but _________(shot) did help.5. Could you tell us when the rock band __________(start) _______(play) here this evening?6. Please come a little earlier ________(get) a table.7. We study by__________(watch) English videos.8. My teacher suggested ____________(walk) to the park.9. Knowledge __________(come) form questioning.10. As long as you learn grammar ________(wise), you will learn it well.11. The Spring Festival is the most important __________(tradition) festival in China.12. When did people start the tradition of __________(share) mooncakes?13. Look! The boy ______(tie) his bag to the chair. 14. Jim said he ______(can) swim.15. I wonder if it __________(rain) tomorrow. If it _________(rain), we __________(not go).16. He asked if his friend __________(come) back next week.17. The teacher told us the earth __________(travel) around the sun.18. Gorge treats people with __________(kind), ____(spread) positive energy.19. The old man ________(warn) us _________(keep) away from the dangerous dog yesterday.20. You should pay more attention to_____________(read) it every day.21.Could yo u please not________________(close) the window? It’s hot here.22.In China, we________________(normal) say “toilets” or “washrooms”, not “restrooms”. 23.The supermarket is on the________________(three) floor.24. Excuse me, do you know how________________(get) to the bookstore?25.No problem. You don’t need________________(rush).26.He opened the door and found a letter ________(lie) on the floor.27.His grandpa has been ________(die) for ten years.28. Do you think it’s enough ___________(ask) a question ____________(correct)?29. Sometimes, we need to spend time _____________(lead) into a request.30. Could you please tell me where __________(park) my car?31. She told us that she _____________(learn) English for 9 nine years.阅读理解(A)Swimming and English LearningCan you swim? Do you like swimming? Yes? Well, how can you learn to swim? I think the best way is to go into the water and learn. I’m afraid you’ll never learn to swim just by reading books about swimming or looking at ot hers swimming. It’s the same with the English study. We must practice, practice and practice.Listening and speaking are very important for beginners. The children in English-speaking countries first listen to others. Then they try to imitate and speak. We can listen to English programs on radio. You may just understand a few words. It doesn’t matter. Just be relaxed, try to catch every word.Somebody may be a good listener. But he dare not speak. He’s afraid of making mistakes. You know we sometimes make m istakes when we speak Chinese. Don’t be afraid. We must be brave. If you really want to learn English well, you must try to speak with everyone so long as he knows English. Whether you know him or not is not important when there’s nobody to talk with, you can talk to yourself in English. It’s interesting and also a good way to practice your spoken English. Remember, the more you speak, the fewer mistakes you’ll make.Reading and writing are more important for senior school students. First we must choose t he books we’re interested in. A lot of reading will improve your language sense. This is the most important.Keep writing English diaries. We can also write English articles. You may even post them toEnglish magazines. Don’t be afraid of failure. Failure is the mother of success.Easier said than done. Well, let’s do more practice from now on. I’m sure you’ll learn English well in this way.( ) 1.You can learn to swim by_________.A. reading books aboutB. looking at others swimmingC. having lessons on itD. going into the river and learning( ) 2.We should learn English by_______.A. listening and speakingB. reading and writingC.A and BD. swimming ( ) 3.What will you do with mistakes when you speak?A. Don’t make mistakes.B. Study hardC. Try not to speak EnglishD. Don’tbe afraid.( ) 4.What’s more important for senior school students?A. listeningB. speakingC. reading and writingD. learning ( ) 5.We can listen to English________, according to the passage.A. by trainB. on the radioC. every minuteD. now and then(B)Carnival(狂欢节) is one of the most important national holidays in Brazil. It is not held to celebrate a big historical event, but it is a time of friendship and freedom (自由) . Besides this, it’s also a time when Brazilians don’t have to work. People can choose to hold parties or just have a good rest instead. Most people hold parties, day after day, night after night. There is a forty-day period called Lent(四月斋) before Easter. During that period . Christians( 基督教徒) can’t eat meat or take part in any activities.Carnival is held during the four days before the start of Lent. People put on their holiday clothes and go out to enjoy themselves .Also, some dance schools often hold activities to show their dance. Many people enjoy this festival. After Carnival, everything returns to the normal state, but this custom isn’t followed by some people. They always continue their parties. Like at other parties, these people sing, dance and have fun. However, some people are not happy with this behavior and they feel it leaves a bad image of the holiday .I like Carnival. It’s a time for people from all over the world to together and understand each other better. It’s a wonderful holiday and I hope more people will respect it.( ) 6.Carnival usually starts .A.4 days after EasterB.4 days after LentC.44 days before EasterD.44 days after Lent( ) 7.The underlined word “image” in this passage means “” in Chinese.A.表演B.来源C.信息D.印象( ) 8.Which of the following is TRUE about Carnival?A. Carnival is a boring holiday in Brazil.B. People in Brazil do not have to work during Carnival.C. Carnival is celebrated to remember a famous person.D. People cannot choose to hold parties during Carnival.( ) 9.From this passage, we know that .A. some people don’t respect Carnival well enough.B. the writer often holds Carnival partiesC. Carnival isn’t traditional and is liked by few people.D. all the people are happy with this behavior.( ) 10.Which of the following could be the best title for the passage?A. Different Cultures.B. Christians’ Lives.C. Carnival in BrazilD. Carnival all over the worldC.“Can I take your order?” Night after night, I had to say this as I worked in my family’s restaurant. My father was a fantastic cook. He wanted me, his only son, to cook with him, but I didn’t like cooking. Because of the restaurant, my father was always busy. He never had time to play football with me.During my high school and college years, I worked with my family at night. But I always avoided the kitchen. I couldn’t wait to graduate(毕业) so that I could move away from the family business. Several days before my graduation day, my father and I started looking at new cars. Finally, we found the right car. I was sure that my father would give it to me as my graduation gift.On my graduation day, my father gave me a book as a gift. It was his old cookbook. I was so angry that I gave it back to him and ran out of the house. Several days later I moved away and started my business. Although I often saw my father during holidays, we never talked about the graduation gift. Then one day, I got a call that my father was ill. I went to see him because I was very worried.That night, I looked through my father’s books and saw the cookbook that he had given me years before. I carefully opened the cookbook and went through it. Then I found something that made me cry. It was a check(支票) for $30,000 dated(注有日期) the day of my graduation. And the price of the car my father and I chose years ago was $30,000.11. From Paragraph 1 we know that the writer’s father __________.A. was a common cookB. had a lot of free timeC. wanted the writer to be a cookD. often played football with the writer12. The writer couldn’t wait to graduate because he wanted to _________.A. leave the family businessB. manage the family’s restaurantC. have enough time to find a good carD. get a graduation gift as soon as possible13. The writer __________ on his graduation day.A. accepted his father’s giftB. moved away from homeC. was very angry with his fatherD. was very worried about his father14. The last paragraph shows that the writer___________.A. decided to cook with his father.B. hated his father giving him so little moneyC. regretted he didn’t look after his father wellD. realized his father’s deep love for him at last15. What would be the best title for the passage?A. A cookbookB. A football fanC. My school daysD. My business语法填空 A.The Chongyang Festival is a Chinese 1.______________(tradition) festival. It is celebrated on the ninth day of the ninth lunar month. It’s also 2. _____________(call) the Double Ninth Festival.The festival started as early as the Warring States Period(475-221BC).It has a history of more than 1,700 years. Among the numbers from zero to nine, nine is the 3.____________(high) odd number(奇数). People believe that two “nines” meeting together stand for a long life. So it is a special holiday for Chinese people 4. __________ (show) love and respect for their elders. They hold many kinds of activities in honor of (向…表示敬意) old people, 5._____________(wish) them a good and long life.B.Father’s Day is coming. It’s 6._________ the third Sunday of June. It’s a festival for7._____________(thank) fathers and showing love to them. American people have started the tradition of 8._____________(give) gifts to fathers or taking them out for dinner for a long time. In China, it’s becoming more and more popular 9._________________(celebrate) the Father’s Day. We had a discussion about it yesterday. Most of my classmates said that they 10.______________(buy) gifts for fathers. But I want to do something different, I decided to make a big meal for my parents. I’m sure they’ll be happy!C.Many children love animals. And Willow Phelps is one of 1.__________(they). In fact, this American little girl not only loves animals, but she also has done really a lot for them. And 2. _________ she did these kind things, she won the 2016 ASPCA(美国防止虐待动物协会) Kid of the Year.Willow’s love for animals started early. When she was about 3 years old, her fam ily took in 3.__________ 18-year-old cat. Under the care of Willow, the cat lived for another 3 years. After that, many old pets arrived in Willow’s home. So, Willow began to make plans to help more animals.With her mum’s help, Willow began running, sw imming and even sewing(缝制) toys4.__________(raise) money for animals in need of help. In her young life, she has5.______________(successful) completed the three projects. Finally, she raised $11,000. She also succeeded in6. ______________(stop) the use of live goldfish as prizes at her school party. And what she did for goldfish was7.___________(notice) and rewarded(奖励) by the ASPCA.“I 8._____________(continue) to speak up for animals no matter how hard it is,” said Willow. Willow dreams of 9. _____________(become) an animal doctor 10.____________the future. Let’s hope this little girl’s dream will come true.动词应用Once upon a time, some children (1)_________ (play) at seaside when they found a turtle (海龟). They began to beat the turtle. Just at that time, a young man came and said to them, “Stop!” The children ran away quickly. The turtle was very thankful and said, “Thanks for your kindness. I really would like (2)___________ (invite) you to a wonderful place now.”The young man (3)____________(ride) on the back of the turtle and (4)____________(take) to the secret palace in the sea. When he arrived at the palace. He was very surprised and said to the turtle, “What a nice palace!” To thank him, the king of the turtles gave him a very big dinner. He had never(5) ___________(see) such a dinner before. He received a warn welcome there and was very pleased with everything.After dinner, the king of the turtles said, “I (6)__________(give) you two boxes, went back to the sea you can open only one.” “You mustn’t open both. (7)___________(not, forget) it!” the turtle warned him. “All right. I will open only one,” the young man promised . At this time, a large wave sent him out of the sea.After he (8)___________(be) back home, he opened the bigger one of the two boxes. To his surprise the box was full of gold. “My God!” he cried, “I’m a rich man now.” Then he thought, “Things in the other box must be expensive, too.” He (9)_____________(can’t wait) any longer. He broke his promise and opened the other box. As soon as he opened it, he became an old man. His hair turned white. His face looked like an old man over eighty years old. It all happened in a moment. He was sorry for what he (10)_____________(do), but it was too late.选词填空through, gifts, after, what, countries, their, before, given, whoOne of the most important Christmas traditions is receiving 1.____________ from Santa Claus. Many young children believe that the presents they receive at Christmas are 2.____________ by Santa Claus, who is a jolly, white-bearded fat man in a red suit and red hat. According to the story, Santa Clause travels 3._____________ the air from somewhere near the North Pole in a sled drawn by reindeer(驯鹿) and comes down the chimney(烟囱) to leave the presents.Today Santa Claus brings presents to children in many 4.__________, including the United States, Canada, Great Britain and Australia. Many department stores hire people to wear a Santa Claus costume and listen to children’s requests. In Great Britain Santa Claus is called Fat her Christmas. During the weeks 5.__________ Christmas, children write letters to Father Christmas and tell him 6.___________ presents they would like to receive. Then they throw these letters into the fire. Children believe that if a draft draws the letter up through the chimney, 7.____________ wishes will be full filled.阅读表达How do you feel about your Chinese? Is it god or bad? If you think you are good at Chinese, you cam join in the competition named Dictation Assembly of Chinese Characters (中国汉字听写大会). The competition became popular among teenagers.Let's know something about it,More and more computers and smart phones are used by teenagers. They spend too much time on the Internet playing or chatting(聊天)。

青岛版九年级数学上学期第一二章测试题

青岛版九年级数学上学期第一二章测试题

九年级数学第一、二章质量检测试题时间:90分钟 姓名: 成绩等级:一、选择题1、在Rt △ABC 中,各边的长度都扩大2倍,那么锐角A 的正弦、余弦值( )A 、都扩大2倍B 、都扩大4倍C 、没有变化D 、都缩小一半 2、在△ABC 中,A ,B 为锐角,且有sinA =cosB ,则这个三角形是( )A 、等腰三角形B 、直角三角形C 、钝角三角形D 、锐角三角形 3、令a = sin60°,b = cos45°,c = tan30°,则它们的大小关系是( )A 、c <b <aB 、b <a <cC 、a <c <bD 、b <c <a4、.某水库大坝的横断面是梯形,坝内斜坡的坡度3:1=i ,坝外斜坡的坡度1:1=i ,则两个坡角的和为 ( ) A.090 B.060 C.075 D.0105 5、如果∠A 是锐角,且A cos A sin =,那么∠A =( )A.30°B.45°C.60°D.90°6、如果α是锐角,且,则)90cos(α-︒=( )A. B.C.D.7、在Rt△ABC 中,∠C=90°,cosA=,那么tanB 的值为 ( )A. B.C. D.8、已知△ABC 与△DEF 相似且面积比为4:25,则△ABC 与△DEF 的相似比为( )A .4:25B .4:5C .2:25D .2:59、如图所示,每个小正方形的边长均为1,则下列A 、B 、C 、D 四个图中的三角形(阴影部分)与△EFG 相似的是( )5443535154sin =α5453454334①②③④三、解答题19、如图,图中的小方格都是边长为1的正方形,△ABC的A、B、C三点坐标为A(2,0)、B(2,2)、C(6,3).(1)请在图中画出△ABC的一个以坐标原点为位似中心,相似比为2的位似图形△A′B′C′;(2)写出△A′B′C′的顶点坐标.20、如图,已知:△ABC中,AB=AC=10,BC=16,点P、D分别在边BC、AC上,BP=12,∠APD=∠B,求CD的长.21、如图所示,已知:在△ABC中,∠A=60°,∠B=45°,AB=8.求:△ABC的面积(结果可保留根号).22、一段路基的横断面是直角梯形,如左下图所示,已知原来坡面的坡角α的正弦值为0.6,现不改变土石方量,全部利用原有土石方进行坡面改造,使坡度变小,达到如右下图所示的技术要求.试求出改造后坡面的坡度是多少?(2)由图可知:A′(4,0),B′(4,4),C′(12,6). 20、CD=4.821、 过C 作CD ⊥AB 于D ,在Rt △ADC 中,∵∠CDA =90°∴ 60cot DAC cot CDDA =∠==33,即AD = CD 33⨯. 在Rt △BDC 中,∵∠B =45° ∴∠BCD =45° ∴CD =BD . ∵AB =DB +DA =CD + CD 33⨯=8 ∴CD =12-43. ∴S △ABC =31648)3412(82121-=-⨯⨯=⨯CD AB .22、21.解:由左图可知:BE ⊥DC ,BE =30m ,sin α=0.6由Rt △BEC 中,)(506.030sin sin m BE BC BC BE ===∴=αα, 由勾股定理得,EC =40m 在不改变土石方量,全部充分利用原有土石方的前提下进行坡面改造,使坡度变小,则梯形ABCD 面积=梯形A 1B 1C 1D 面积.解得EC 1=80(m ) ∴改建后的坡度4:180:20:11===EC E B i。

九年级政治 1-3课练习卷 试题

九年级政治 1-3课练习卷  试题

介父从州今凶分市天水学校九年级思品学科1-3课试卷〔总分50分考试时间45分钟〕一、选择题〔每题2分,共30分〕1、〔〕首先应该对我负责A、“我〞的父母B、“我〞的老师C、“我〞的朋友D、“我〞自己2、责任产生于社会关系之中的〔〕A、彼此信任B、相互承诺C、诚心相待D、相互关爱3、有些该做的事情,并不是我们自愿选择的,如班级卫生工作,此时你正确的选择是〔〕A、可以不承担对它们的责任B、仍然要承担对它们的责任C、只需要做自己感兴趣的事情D、可以随心所欲,担责也行,不担责也行4、对于我们的成长来说,承担责任是〔〕①自尊自信的具体表达②自立自强的必然选择③走向成熟的重要标志④社会法制的必然结果A、①②③④B、②③④C、①③④D、①②③5、据<商报>报道,电视台都频道23岁的女记者曹爱文,在一次采访落水少女的报道现场,曹爱文不是先驱采访,而是挺身而出,趴在女孩子身上做人工呼吸,她的这种责任来自〔〕A、职业的要求B、道德原那么的要求C、分配的任务D、家长的命令6、“因为我们是一家人,相亲相爱的一家人,有福必然同享,有难必然同当……〞,要让集体成为我们依恋的家,需要我们〔〕A、人人为己,天经地义B、人人都主动关心保护集体,为集体的建设出力C、人人为朋友,为亲人做点事D、只有相亲相爱的班级才能如此,这只是个别现象7、“千人同心,聚得千人力;万人异心,那么无一人之用〞这句话的意思是〔〕A、一个优秀的集体要有共同的目标B、只有团结协作,才能建成优秀的班集体C、班级成员人心各异,照样能成大事D、只要有集体,人人都是学习尖子8、九年级学生赵明成绩很好,可是他平时只关心自己的学习,对集体的事情漠不关心,也很少参加集体活动。

他的行为〔〕A、没有把自己作为集体一员,缺少承担关爱集体的责任B、不懂得集体只有依靠个体,才能有无穷的力量C、不懂得只有维护个人的利益,集体利益才有保障D、只知道维护集体利益,不懂得关爱自己的利益9、教师的主要责任是教书育人,学生的主要责任是认真学习,这说明〔〕A、责任意味着付出代价B、在社会舞台上,每个人都扮演着不同的角色C、不同的社会角色承担着不同的责任D、承担责任会有一定的回报10、“关爱集体〞,这成为许多机构招聘人才时的首项要求。

九年级上册第一二三章测试题

九年级上册第一二三章测试题

九年级上期第一次月考试题一、单项选择题(每题只有一个正确答案,每小题2分,共30分)1、下列现象中,说明分子不停地做无规则运动的是()A、糖块放入水中,水变甜了B、洒水车将水喷洒在地面上C、扫地时在阳光下看到灰尘在空中飞舞D、沙粒放入水中,水变浑浊了2、如图所示的电路中,属于两灯串联的是()3、固体和液体很难压缩说明()A、分子之间存在着斥力B、分子之间存在着引力C、分子不停地在做无规则的运动D、固体、液体分子之间没有空隙4、甲、乙两物体的比热容之比为2∶3,吸收热量之比为3∶1,它们升高的温度相同,则甲、乙两物体的质量之比为()A、9∶2B、2∶9C、1∶2D、2∶15、下列关于物体内能的说法中正确的是()A、物体运动速度越大,内能越大。

B、静止的物体没有动能,但有内能。

C、内能和温度有关,所以0℃的水没有内能。

D、温度高的物体一定比温度低的物体内能大。

6、关于温度、内能、热量三者的关系,下列说法正确的()A.物体温度升高,内能增加。

B.物体温度升高,一定是吸收了热量。

C.物体温度不变,一定没有吸热或放热。

D.物体吸收热量,温度一定升高。

7、下列事例中,属于做功改变物体内能的是()A、在火上点燃火柴头,使火柴头温度升高。

B、冬天人们围着火炉烤火身体感觉暖和。

C、两手互相摩擦,手感觉暖和。

D、在阳光照射下,水盆里的水温度升高。

8、一把勺子的温度升高了()A、它一定吸收了热量B、一定和其他物体发生了热传递C、它的热量一定增加D、它的内能一定增加9、用塑料梳子在干燥的头发上梳几下,梳子上会带电,经检验梳子带的是负电荷。

下列说法中正确的是( )A、梳子得到了一些电子B、梳子失去了一些电子C、梳子失去了一些原子核 C、摩擦创造了电荷10、下列说法正确的是( )A、一杯煤油用去一半,它的比热容减为原来的二分之一B、吸收热量多的物质,比热容一定大C、高温物体放出热量一定多D、质量相同的水和煤油,吸收了相同的热量,煤油升高的温度大于水升高的温度11、单缸四冲程内燃机的四个冲程的示意图如图所示,下列关于这种内燃机一个工作循环中四个冲程的顺序排列正确的是()A、丙、丁、乙、甲B、乙、丁、甲、丙C、乙、甲、丁、丙D、甲、乙、丙、丁12、下列事实中,最能说明物质吸收的热量跟物质种类有关的是( )A、体积相同的两杯水温度都升高10℃,它们吸收的热量相同B、质量相等的两块钢温度分别升高5℃和10℃它们吸收的热量不同C、体积相等的水和煤油温度都升高10℃,它们吸收的热量不相同D、质量相等的水和铜温度都升高10℃,它们吸收的热量不相同13、有关四冲程内燃机的叙述中,不正确的是()A、工作中只有做功冲程把内能转化为机械能。

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1-----3 单元测试题Ⅰ根据首字母完成单词(5分)1.The teacher told us m___________ the words of the pop songs also helped a little.2.Do you know the secrets of becoming a good language l____________?3.We should pay a____________ to what our teacher said in class .4.Our English teacher is very p__________ with us and we all like him .5.I know the i__________ of working hard ,so I try my best to do the job well .Ⅱ选择填空(20分)1.We’ll go to the park unless it ______ tomorrow .A rainsB will rainC rainyD is going to rain2.Can you believe that _____ a little boy can eat _____ much food for one meal ?A such ,soB so ,soC such ,suchD so ,such3. Don’t touch anything ________ your teacher tells you to.A. ifB. thoughC. unlessD. even though4. He __________ to school by bike, but now he __________ to school on foot.A. used to going; get used to goB. used to go, gets used to goingC. used to go; gets used to goD. get used to going; used to go6.All of us found that _______ difficult to work out the maths problem .A itB itsC it isD its’7 .First, let me tell you _______.A. how to doB. what to doC. to do howD. to do what8 .My English is poor, but _____ students laugh at me.A. a fewB. fewC. a littleD. little9 .I’m afraid ______ songs in public.A. singB. to singC. singingD. sang10 .Lucy’s mother is worried _____her study.A. forB. withC. ofD. about11.This article ______ in Spanish, so I can’t read it.A. wroteB. writesC. writtenD. is written12. Have you found it difficult ______ English well?A. learnB. learnsC. to learnD. learning13. —Julia, you _____ on the phone.—I’m coming.A. wantB. are wantingC. have wantedD. are wanted14. –I think teenagers shouldn’t be allowed to smoke .--- I agree _______ you .A onB withC aboutD for15. If you are in trouble ,you can _________ the police ______ help .A ask ,forB want ,forC ask ,toD call ,with16. Some students think that studying grammar is not helpful ________A no at tallB at tallC allD very17. We should try our best _______ the problem .A solveB solutionC to solveD solving18. The little boy went out with the door ________ just now .A onB inC openD opened19 Y our hair is too long ,you should have it ___________ .A cutsB cuttingC to cutD cut20. – We have many rules at our school .--_____________.A So us doB So we haveC We have toD so do weⅢ完形填空(10分)When you are learning English, you will find it stupid to translate an English sentence word for word into your native language. Take the sentence ―How do you do‖ 1 an example : If you 2 each word in the dictionary , one at a time, what will your translation be like? It must be a 3 sentence in your own language.Languages do not just have different 4 .They are different in many 5 . It is very important to 6 the rules for word order in the study English, too. If the 7 puts words in a very unusual order, the listener doesn’t 8 the speaker’s sentence easily. Sometimes when the order of 9 in an English sentence is changed, the meaning of the sentence changes. Let’s see the 10 between the flowing sentences:I visited my old friends only in the city.I visited only my old friends in the city.So when you are learning English, you must try your best to grasp(领会) the spirit of the language and do as a native speaker does.()1. A. as B. for C. like D. with( ) 2. A. see B. look down C. find D. look up( ) 3. A. good B. correct C. wrong D. long( ) 4. A. sounds B. meanings C. orders D. lessons( ) 5. A. words B. sentences C. books D. ways( ) 6. A. master B. write C. take D. translate( ) 7. A. student B. speaker C. teacher D. listener( ) 8. A. hear B. see C. know D. understand( ) 9. A. words B. English C. rules D. meanings( ) 10. A. different B. differently C. differences D. differenceⅣ阅读理解(15分) AIf you have a problem with speaking, you can do several things. Listen to English as much as possible. Y ou can learn a poem or a song by heart. Y ou can also learn more dialogs and practice speaking with your friends as much as you can.Many people find it difficult to listen to English. The answer is, to listen an much as you can. However, don’t do too much at a time. It is better to practice listening for five minutes every day. Don’t sit down and listen for an hour at a time. That’s too much! Do choose passages that are interesting and not too difficult. Choose tapes on which the people speak clearly and not too fast. Take it easy at first. Success with simple tapes at the beginning is the answer. Later on you can practice with tapes that are more difficult.Finally, how can you learn to write well? How do you use little words like in, on, of and for? There are two answers. First, do some study with new words, and keep a list of verbs like look for, look after and so on. Second, read English as much as possible. There are many things that can’t be learnt. Y ou must see them in books many times. Then you’ll be able to use them correctly by yourself. So, in order to write well, you must first learn to read much.1. This passage is about English________.A. spelling, grammar and readingB. listening, speaking, reading and writingC. exams, pronunciation and writingD. pronunciation, writing and reading2. If you ____________, you can speak well.A. learn more dialogsB. practice speaking as much as possibleC. learn a poem or a song by heartD. all above3 Which of the flowing is right according to the passage?A. It’s better to listen to English for a long time every day.B. At the beginning, you should choose the tapes on which people speak quicklyC. At first, you should begin with simple tapes for listening.D. Few people think it hard to listen to English.4. Which of the flowing ways can help you improve your written English?A. Buy a book of writing exercise.B. Read as much as possibleC. Do some study with new wordsD. Both B and C5.Which is the best title of this passage? aA. How to learn English wellB. How to speak English wellC. English is difficultD. English is importantBMany teenagers feel that the most important people are their friends. They believe that their family members, and in particular their parents, don’t know as well as their friends do. In large families, it is quite often for brothers and sisters to fight with each other and they can only go to their friends for advice.It’s very important for teenagers to have one good friend or a circle of friends. Even when they are not with their friends, they usually spend a lot of time talking among themselves on phone. The communication is very important in children’s growing up, because friends can discuss something difficult to say to their family members. However, parents often try to choose their children’s friends for them. Some parents may even stop their children from meeting their good friends. The question of ―choice‖ is an interesting one. Have you ever thought of the following questions?‖Who chooses your friends?Do you choose your friends of your friends choose for you?Have you got a good friend your parents choose for you?Have you got a good friend your parents don’t like?Y our answers are welcome.( ) 1. Many think their ____________ know them better than their parents do.A. friendsB. parentsC. brothers and sistersD. family members( ) 2. When teenagers stay alone, the usual way of communication is ________.A. to go their friendsB. to talk with their parentsC. to have a discussion with their family by phoneD. to talk with their friends on the phone( ) 3. Which of the following is different in meaning from the sentence ―Some parents may stop their children from meeting their good friends‖?A. Some parents may even not allow their children to meet their good friends.B. Some parents my even ask their children to stay away from their friends.C. Some parents may even not let their children meet their good friends.D. Some parents my want their children to stop to meet their good friends.( ) 4. Which of the following sentences is right according to the passage?A. Parents should like everything their children enjoy.B. In all families children can choose everything they like.C. Communication with friends is important for teenagers.D. Teenagers can only go to their friends for help.( ) 5. The sentence ―Y our answers are welcome‖ means ―_____________‖.A.Y ou are welcome to have a discussion with us.B. B. We’ve got no idea, so your answers are welcome.C.Y our answers are always correct.D.D. Y ou can give us all the right answers.C根据上面表格,完成下列题目.1.What does 2045 mean? It means _________?A. twenty forty-five in the evening.B. eight forty-five in the morning.C. a quarter past eight in the evening.D. a quarter to nine in the evening.2. What is the flight number from Beijing to Abu Dhabi?A. F002, F004 and F012B.F002, F008 and F012C. F002, F008, and F018D. F012, F016 and F0223. How long does it take to fly from Beijing to Doha?A. Ten hours.B. Nineteen hours and a half.C. Seven and half a hours.D. Six hours and a quarter.4. On what days can one fly from Beijing to Dubai leaving and arriving in themorning?A.Monday, Wednesday, Thursday and Saturday.B.B. Monday, Thursday and Wednesday.C. Wednesday.D. Monday.5. When is it possible for one to fly from Beijing to Abu Dhabi and then to Bahrainon the same day?A. Monday, Wednesday, and Thursday.B. Monday and ThursdayC. Wednesday.D. It’s not possible.DHow to use an English dictionary?We use a dictionary for two main reasons: to find out how to spell a word, and to find out the meaning of a word.All the words in a dictionary are in alphabetical orders(字母顺序). This means words that ①begin with the letter“②______”are the end of the dictionary.The second letter of a word is also important. ③例如,the word “act”comes before the word “ant”. This is because the letter “c”comes④______ the letter “n”in the alphabet. For the same reason the word “bag”comes before the word “bat”.One of the most famous dictionaries in the world is the Oxford English Dictionary. Itgives the meaning and spellings of all the words in English. Most dictionaries do not have every word.根据短文内容,按要求完成1—5小题。

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