初二试题北师版八年级数学上册试题

1、北师版八年级数学上册试题 一、细心选一选 （本大题共 10 小题，每道题 4 分，满分 40 分1、9 的算术平方根是（a）a. 3b.316、a、b、c、d在同一平面内，从 ab cd； ab=cd； bcad； bc=ad这四个条件中任选两个 , 能使四边形 abcd是平行四边形的选法有 3 种；17、要把一个菱形判定为正方形, 可添加的条件为 对边相等 （只写一个条件） .c.3d.32、在以下各数中无理数有（b）18、如下列图是某工厂厂房屋顶的人字架（等腰三角形），它的跨度 bc 12 米，10 米a-0.333，4,5 ，-，3，3.1415 ，2.010101（相邻两个 1 之间有

2、 1 个 0），76.0123456中柱 ad为 2.5 米，中柱 adbc，bdc（小数部分由相继的正整数组成） ；a 3 个b. 4个c 5 个d. 6个且垂足 d 为 bc的中点，又知厂房长10 米，为防雨，需在房顶铺满油毡； （每卷油毡宽 1 米，长 10 米）3、如图 , 是我校的长方形水泥操场，假如假如你是该厂选购，需购买 3 卷油毡；一同学要从 a 角走到 c 角，至少走（c）a. 80米b. 90米c. 100 米d. 110米4、已知从多边形的一个顶点引出的对角线把多边形分为 10 个三角形，就此多边形内角和是 ba.1440 0b.18000c.21600d.162005、

3、以下命题中，正确选项（c）a. 矩形的对角线相互垂直b. 菱形的对角线相等c.正方形的对角线相互垂直平分且相等19、如图，四边形 abcd是边长为 1 的正方形，p 是 abcd的边 cd上的任意一点，且pedb于点 e，pfac于点 f，就 pe+pf=2 根号 2；20、如图，在梯形 abcd中， ad bc，并且 ab=8，ad=3，cd=6，并且 b+c=900，就梯形面积 s 梯形 abcd=；ad三、耐心做一做： 本大题共 8 题，共 80 分b21、化简（每道题 5 分，共 20 分）c（1）（ 23 ） 2（2）（3 +2）（3 -2 ）=10-4根号 6=-1d. 等腰梯形的

4、对角线相互平分6、以下五家银行行标中，是轴对称图形又是中心对称的有（b）（3）27123（4）832212=1=2分之 11 根号 2a.1 个b.2个c.3个d.4个7、体育课上， 刘老师在篮球场上放置三个不在同始终线上的a，b，c三个篮球，现将篮球 d 放置其中， 使 a，b，c，d四个篮球组成一个平行四边形，试问5如某数的立方等于 0.027 ，就这个数的倒数是 - 三分之十 6已知，就 x+y=07和数轴上的点一一对应的数集是 8.估量200 = 11.414 （误差小于 1）；30 = 5.477 （误差小于 0.1 ） .9一个正方体的体积变为原先的27 倍，就它的棱长变为原先的根

5、号 27倍10假如一个正数的一个平方根是a，那么这个数的另一个平方根是a ，这个数的算术平方根是 -a_ 三、认真答一答（只要你认真摸索,认真运算 ,肯定会解答正确的 . 每道题 10 分，共 60 分）1化简以下各式：（ 1） 10298 ；（ 2） 3 35335 ；2=3=22物理1. 两个鸡蛋的质量约 b a 50gb 0.12kgc 1.2 ×mg d 1.2kg2；人一般的步行速度最接近于b a 0.01m/sb 1m/s c 50m/sd 100m/s3；有一种“隐形飞机”，可以有效躲开雷达的探测，隐秘之一在于它的表面有一层特别材料，这 种材料能够 减弱 填“增强”或“

6、减弱” 对电磁波吸取作用，隐秘之二在于它的表面制成特别外形，这种外形能够 减弱 填“增强”或“减弱” 电磁波反射回雷达设备八年级 book 3 unit 5单元测试. 单项挑选； 30 分a1. my fathers office is at the top. i can see the whole city the office.a. fromb. onc. withd. in a2. the girl looks the her father.iii. 阅读懂得；（30 分）acatv is short for “ community antenna 公 用 天 线 television

7、”. but “cable television ” is the namemost people like to use. cable television can help people receive tv programs that they can not get with theirordinary （常规） antenna.televisionsignals 信号 travel in straight lines in all directions. signals froma tv stationmove towards the horizon 地平线 and then go

8、intospace.if peoplelive only a few miles from a tv station, they may get a good picture on their televisions. but ifthey live more than 50 miles from a station, they may not get good pictures.catv began in 1948. people in places far from tv stations had to pay for it. a communityantenna was usuallyp

9、laced on a hill,a mountain or on a high tower.the antenna can receive tv signals and send them into a smalllocalstation 当地电视台） .today, cable television is used in more and more areas. it is even used in many classrooms all over the country.依据短文内容，判定正（t）误（ f）；（ t ）1. most people like using the name o

10、f“cable television”.（t ）2. tv signals travel in curved lines.（f）3. people who live more than 50 miles from a station mustnt get any pictures at all.（ f ）4. the antenna sends tv signals to local station.（t）5. the cable television can also be used in classrooms today.bmost people sleep at night, but f

11、rank sleeps during the day and works at night. his work is toguard 看管 a large factory. he is lonely because nobody there talks with him in the evening.frank likes his work. he knows that it is important to guard the factory at night.ifhe hears any noise,he goes quicklyto see what itis.most of thetim

12、e he walks around inside the big building, but he also walks around outside. when he is tired, he can siton a chair by the door. it is very cold in winter. he always wears a warm coat when he is working.one nightwhen frank went outside,he heard a noise near a dark cornerof the factory.he went veryqu

13、ietlytowards the noise to see ifsomeonewas there,but he only saw a small dog. frank smiled and talked to the dog. it looked cold and sad. he took the dog insidethe building, and the happy dog followed him around. during the rest of the night frankwas not lonely. a dog was a good friend for him.依据短文内

14、容，判定正（t）误（ f）.t 6. frank sleeps at night and works in the day.f 7. frank doesnt think his job is important.t 8. sometimes frank walks around outside the big building.f 9. one night frank saw a little dog sleeping at the gate of the factory. t 10. frank took the dog home at once.c一、词汇（ 25 分）八年级上学期期中英

15、语测试题班级姓名得分（c ）4. myhas fifty pupils. we have sixevery day.a. classesclassesb.classclassc.classclassesd. classesclass（c ）5 .my cousin and i are.a. in sameclassb.the sameclassc.in the sameclassd.on the samea、挑选与划线部分意思相同或相近的选项；（ 5 分）（c）1. canada has a lot of chinese restaurants.a. muchb. somec. lots of

16、d. any（a ） 1. this term, well have fun in teaching englisha. have a good timeb. work hardc. have a busy time d. be free（d ） 2. its a quarter to eight. lets hurry.a. eightfifteenb.eightforth-fivec.seven fifteen d.seven forty-five（b ） 3. finally, we talked about our physics.a. quicklyb. at lastc. hard

17、d. great（d ） 4. bill showed us lots of photographs.a. muchb. somec. a lotd. a lot of（c ） 5. brain does well in paintinga. likesb. hasc. is good atd. teachesb、英汉词组互译（ 10 分）6. look like看上去像7. go for walks去漫步9. over here在那儿10. blow out the candles吹灭蜡烛11.拉小提琴play the violinclass（d ）6. i like to wear t-s

18、hirts in the summer. because theycotton.a. make ofb. is made ofc. are make ofd. are made of（c ）7. i dont like noodles. my mother doesnt like,.a. alsob. tooc. eitherd. two（d ）8. this is the girlmary.a. nameb. namesc. namingd. named（d ）9. i am inthis year.a. grade threeb. grade threec. grade threed. g

19、rade three（b ）10. we call her miss white, because.a. she isoldb.she ismarriedc.she isn tmarried d.she isn ta pupil（a ）11. i like him because he often makes me.a. laughb. laughedc. laughsd. to laugh（b ）12. we shouldwhen we are in the library.a. make a noiseb.be quietc.play basketballd.talkto our frie

20、nds all the time12、一条牛仔裤a pair of jeans13、邮局post office（c）13. -thats a funny story, isn t it.14、停车场park15、半小时half an hour-c、用词的正确形式填空（10 分）a. yes, it isnt .b. no, it is.c. yes, it is.d. no, isnt it.16. james wantsto buybuy a bike17. red isli ming,sli ming favourite colour 18.that s aninterestinginte

21、rest story book.19. im going to be apainterpaint when i am older.20. sheloveslove her mother very much.21. have youseensee these words.22. yesterday ihadhave an english class.23. miss gao hasbeenbe a chinese teacher for ten years.24. how manygradesgrade are there in your school. 25.its funto getget

22、e-mail from england.二、挑选题 . （20 分）（b ） 1. there are some good news.a. on the tvb. on tvc. in tvd. on the theatre（c） 2.hanks for your help.a. muchb. a lotc. manyd. a lots（a ） 3.mid-autumn day, my family sit together and watch the moon.a. atb. onc. ind. of（a ）14. i was good atwhen i was young .a. pain

23、tingb. paintc. to paintd. painted（c ）15. -has she ever read the book.-yet.a. no, she doesnt.b. no,she didn tc.no, she hasntd.yes, shehas（a ）16.-i want to buy a new cap.a. what can i do for you.b. do you want to buy anything.c. is the old cap too small.d. how are you.（c ）17. i met an old friend.a. on

24、 my way schoolb. on me way to schoolc. on my way to schoold. in my way to school（b ）18. i saw a mice dress when ithe clothing store.a. walk pastb. walked pastc. walk pastd. pass（a ）19. our schoolthe parking lot.a. is across fromb. across fromc. is fromd. by（a ） 20. the style of my clothes isin my ho

25、me town.a. fashionb.in fashionc.in the fashiond.on fashion三、阅读懂得；（30 分）aone day, mr brown sees a young woman in the street with children. he is very much surprised because all the children are wearing the same clothes-red caps, white shirts and blue trousers."are all these children yours."

26、 he asks the woman. "yes, they are. "answers the woman."do you always dress them in the same clothes." mr brown asked."yes,"answers the mother."whenwe have onlyfourchildren,we dress them in the same clothes because we don't want to lose丢失 any of them. it' s

27、 easy to see our childrenamong（在中） other children, because they are all wearing the same clothes. and now, when we have ten, we dress them like this because we don't want to take other childrenby mistake 错误. when there are other children among 在中间 us, it's easy to seethem, because their clot

28、hes are different.挑选正确答案a i . how many people does mr brown see in the street one day.a. ten.b. eleven.c. four.d. ten children. b 2. mr brown is surprised becausea. all the children are boysb. all the children are girlsc. allthe childrenare lovelyd.allthe childrenare wearing the sameclothes b 3. doe

29、s the young woman always dress the children in the same clothes.a. yes, she does.b. yes, she do.c. no, shedoesn't.d.she always dress them in thesame clothes. a 4. why does the mother always dress her children in the same clothes.a. she likes to do so. b. she loves her children. c. she wants to t

30、ake other children home.d. it's easy to see her children when they're among others.c 5. do you think the story is true真实的 .a. yes, ithinkso.b. yes, i don'tthinkso. c.wedon'tknow. d. itisn'ttrue.一、基础学问及运用： 35 分1、 请将下面一句话誊写在上；要求书写正确、规范、工整； （ 2 分）智者不惑 ，仁者不忧 ；智者不惑，仁者不忧；2、 给以下词语中加点的字注

31、音： （2 分）锐不行当（）震悚（）拐弯抹角（）颓唐（）3、 依据以下词语中的注音写出汉字： （2 分）寒 j ìn （） jin （）灭狼 j í（） j（）躬4、 以下句子中加点的词语使用不恰当的哪一项：（ 3 分）a. 不久前，中心电视台举办了“隆力奇杯”全国青年歌手电视大奖赛，选手们的表现成为很多 观众茶余饭后津津乐道的话题；b. 6 月 9 日，令广大球迷梦寐以求的世界杯足球赛在德国拉开帷幕，历时一个月的64 场出色竞赛将使球迷们大饱眼福；c. 高校生洪战辉带着妹妹上高校的事迹令人感动，他被评为“感动中国”十大人物，真是可 歌可泣；d. 当记者来访震动全国的齐齐哈尔其次制药厂假药案的几位药检人员时，令人不行思议的是， 他们竟然都是非药学专业并从未接受过专业上岗培训的；5、 依次填入下面文字横线上的词句，与上下文连接最恰当的哪一项：（）（3 分）风中的桂花香消散了，；窗外那棵老槐树，不知什么时候有了黄叶，风一吹，黄叶 就；秋天就这样明净又清新