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电气安全培训 (4)ppt课件.ppt

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1、 班级:_ 姓名_ 学号:_ 考 生 答 题 不 得 超 过 密 封 线 2011学年第一学期期末考试七年级数学试卷(考试时间90分钟,满分100分) 题 号一二三四五总 分得 分一、填空题:(每小题2分,共28分)1“的立方与的平方的差”用代数式表示为:_。2将多项式 按字母降幂排列:_。3已知,则=_。4已知是单项式,且,则=_。 5计算: =_。6分解因式:=_。w7分解因式:=_。8当=_时,分式的值为零。9化简:=_。10用科学计数法表示:= _。11设,则代数式 的值是_。12下列图中有大小不同的菱形,第1幅图中有1个,第2幅图中有3个,第3幅图中有5个,则第幅图中共有 个。图(1

2、) 图(2) 图(3) 图(n)13如图右,三个大小一样的正方形,正方形绕点旋转后 能与正方形重合,那么旋转角为_度。14、将长方形纸片按如下步骤操作:(1)以过点A的直线为折痕折叠纸片,使点B恰好落在AD边上,折痕与原BC边交于点E;(2)以过点E的直线为折痕折叠纸片,使点A恰好落在原BC边上,折痕与原AD边交于点F;则的度数为_.二、选择题:(每小题3分,共12分)每题只有一个正确答案15已知:,则等于 ( )(A) ; (B); (C) ; (D)。16关于的方程有增根,则的值为 ( )(A)2; (B); (C)0; (D)1.17在俄罗斯方块游戏中,所有出现的方格体自由下落,如果一行

3、中九个方格齐全,那么这一行会自动消失。已拼好的图案如图所示,现又出现一小方格体,必须进行以下哪项操作,才能拼成一个完整图案,使图上所有方格自动消失 ( )(A)顺时针旋转90,向下平移;(B)逆时针旋转90,向下平移;(C)顺时针旋转90,向右平移;(D)逆时针旋转90,向右平移18学生参加植树造林。甲班每天比乙班多植5棵树,甲班植80棵树与乙班植70棵树所用的天数相等,求甲、乙两班每天各植树多少棵。下面列式错误的是 ( )(A)设甲班每天植树棵,则; (B) 设乙班每天植树棵,则; (C)设甲班在天植树80棵,则; (D)设乙班在天植树70棵,则三、简答题 :(每小题5分,共30分)19计算

4、: 20分解因式: 解: 解:21计算: 22计算:(结果不含负整数指数幂)解: 解: 23解方程: 24化简求值: ,解: 其中 解:四、作图题:(每小题5分,共10分)25、画出四边形关于直线的轴对称图形。 26、在边长为1的正方形网格中:(1)画出关于点的中心对称图形。(2)与的重叠部分的面积为 _。五、解答题:(第27题6分,第28、29题每题均为7分,共20分)27正方形中,绕着点顺时针旋转90后得到,点、 在一条直线上,且与恰好关于所在直线成轴对称。已知,正方形边长为8。(1)写出图中形状、大小都相等的三角形;(2)求的面积。解:28、甲、乙两人玩“托球赛跑”游戏,商定:用球拍托着

5、乒乓球从起跑线L起跑,到达P点后再返回起跑线为结束(如图所示);途中乒乓球掉下时须捡起并回到掉球处继续赛跑,所用时间少的人获胜。结果:甲同学由于心急,掉了球,浪费了6秒钟,乙同学则顺利跑完。事后,乙同学说:“我俩所用的全部时间的和为50秒。”甲同学说:“不算掉球那段时间,我的速度是乙的1.2倍”,根据图文信息,请通过计算判定哪位同学获胜?解:29、 如图,下面两个图案都是由8个大小一样的小长方形拼成的,并且图(2)中央小正方形的边长是1厘米. 问:(1)图案(1)、图案(2)是中心对称图形吗?(2分) (2)求小长方形的长和宽. (5分) 解:(1)图(1)_; 图2_.(填:“是”或“不是”

6、)(图1) (2) (图2)2011学年第一学期七年级数学期末考卷答案一、填空题:(每小题2分,共28分)1、; 2 、; 3、3; 4、; 5、;6、; 7、; 8、; 9、;10、; 11、0; 12、; 13、180; 14、;二、选择题:(每小题3分,共12分)每题只有一个正确答案15、C; 16、B; 17、C; 18、D;三、简答题 :(每小题5分,共30分)19、解:原式= 1分 = 1分 = 1分 = 2分20、 解:原式= 3分 = 2分21、解: 原式= 1分 = 1分 = 1分 = 2分22、 解一:原式= 1分 解二:原式= 1分 = 1分 = 1分 = 1分 = 1分

7、 = 2分 = 2分23、 解: 1分 (或 ) 1分 1分 1分经检验: 是原方程的解, 所以原方程的解是 。 1分24、解:原式= 1分 = 1分 = 1分当 时,原式= 2分四、作图题:(每小题5分,共10分)25、画错一个点扣1分,漏结论扣1分;26、(1)画图; 3分 (2)4; 2分注:两题结论均未写,只扣1分;五、解答题:(第27题6分,第28、28题每题均为7分,共20分)27、解:(1) 和 ; 和 ; 2分(2) 正方形ABCD的面积 = 64; 1分的面积 = 28 1分 的面积 = ; 2分28、解:设乙的速度为米/秒,则甲的速度为1.2米/秒。 1分 3分 1分经学校

8、: 班级: 姓名: 考号: 密封线装 订 线胜利小学三年级英语质量调研题(2016、4)一、认一认,选一选。将图片与单词配对。请将图片下面的字母序号填入相应的单词前面的括号里。(20分)w W w . A B C D E F G H I J( ) 1. frie( )9. kangaroo ( ) 10. icecream二、下列每组四个单词中,根据它们的意义找出一个与其它三个不同类的单词,把它们的字母编号写在左边的括号中。(10分)( )1、A、ant B、leg C fish( )2、A、he B、she C、foot( )3、A、woman B、ruler C man( )4、A、bag

9、 B、morning C、afternoon( )5、A、boy B、girl C、student三、认一认,选一选。找出左栏的答句,将序号填入题前的括号。(10分)( ) 1. Where are you from? A. Youare welcome!( ) 2. Whos this girl? B. I have twelve.( ) 3. This is my friend, Amy. C. Im from China.( ) 4. How many pens do you have? D. Nice to meet you.( ) 5. Thank you! E. She is my

10、 sister.四、写出下列字母的大写或小写形式然后连线汉语意思.(10分)I F Y L K thin pupil China sister children姐妹 中国 儿童 小学生 瘦的五、判断对错.(看图读句子。如果两者相符,在括号中打,否则打。) 1.Make your eyes big. ( ) 2.Im from Canada.( ) 3.This is a boy.( ) 4.Make your arms long.( ) 六、从B栏中选择与A栏相对应的句子,只填编号。(10分) A B ( )1、Whos that girl? a、OK!( )2、Have some fruit

11、s. b、Shes my sister.( )3、Lets watch TV. c、Thank you. ( )4、How many crayons do you have? d、I have twelve( )5、Where are you from? e、Im from China.七、单项选择(每小题2分,共10分)1、_is that woman ? She is my English teacher ,Miss Chen . A Where B who C what2、 How many _can you see ? Nineteen. A kite B kites C cat3、I

12、 _a new friend .Her name is Alice . A am B have C has4、 _ are you from ? Im from America . A Where B Who C How many5、 Happy Womens Day ! Miss White ! _A. Happy Womens Day! B Thank you! C Good idea!八、选择正确的答案. (根据下面情景, 选择恰当的选项。) (20分)( ) 1. 当别人问你来自哪里后, 应回答说::_A. Youre welcome. B. Im from America. C. M

13、y name is Li Mei.w W w .( ) 2.当你很惊讶地看到一只大鱼时, 应说: _.A. What a big goose! B. How beautiful! C. What a big fish!( ) 3. 当你把物品给别人时, 应说: _.A. Its here. B. Here you are. C. Here it is.( ) 4. 当你想知道这个男孩是谁时, 应说: _.A. Who is the girl? B. Who is the boy? C. who is the man?( ) 5. 当看到别人要摔跤时,应说:_.A. Watch TV. B. W

14、atch out. C. Look at me.( ) 6.你想向别人介绍你的老师,应该说: A.My names Tom. B、This is my sister.C 、This is my teacher.( )7、当班上来了新同学,你要表示欢迎时,应该说: A、Welcome. B、Whats your name? C、Goodbye.( )8、你想表达“我来自中国。” 应该说: A、Im from China. B、Im from America C、Im from Canada.( )9. 当你想询问“那边的男士是谁?”应该说:_A whos that man? B whats th

15、at? C whos that woman?10. 下列动物是什么样子,请选择合适的描述( )giraffe A. It has a long nose.( )elephant B. It is so tall.( )pig C. It is small.( )bird D. It is thin.( )monkey E. It has a fat body. 绝密启用前四川省高中 2015 届毕业班“名校联盟”测试英语本试题分为第卷(选择题)和第卷(非选择题)两部分。第卷 1 至 8 页,第卷9 至 10 页,共 10 页。满分 150 分,考试时间 150 分钟。考生作答时,须将答案答在答

16、题卡上,在本试卷、草稿纸上答题无效。考试结束后,只将答题卡交回。第 I 卷(选择题 共 90 分)注意事项:1. 必须使用 2B 铅笔在答题卡上将所选答案对应的标号涂黑。2. 第 I 卷共两部分,共 55 小题。第一部分 英语知识运用(共两节,共 40 分)第一节 单项选择(共 10 小题;每小题 1 分,共 10 分)(从 A、B、C、D 四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。1. Significant agreements were passed in the APEC meetings in Beijing on Tuesday, _attracted wo

17、rldwide attention.A. whichB. whenC. whereD. that2.Manager, I _ late for 9 daysBut youve broken your record this morning.A. havent beenB. hadnt beenC. wont beD. wouldnt be3.Can you show me the way to Gate B, Subway Line 2?Sorry, I am not a native in Chengdu. You can ask the volunteer over there._.A.

18、No problem.C. Doesnt matter.B. Thanks anyway.D. Great idea.4. United Nations urged that country to give up the nuclear plan _ stability and peace.A. in stead ofB. in charge forC. in exchange forD. in case of5.The garage _ outside the hospital annoys the doctors and patients terribly.Actually, we don

19、t know when it will be completed.A. to buildB. being builtC. to be builtD. having been built6. Please dont be _ by the text messages saying that you have won a shocking prize.A. taken outB. taken offC. taken awayD. taken in7. Monitor in Class 8 rushed to the classroom to ask for help only to find _

20、of theclassmates there.A. no oneB. noneC. neitherD. some one8. Among the forests _ a newly built wildlife research center.A. lieB. layC. liesD. lays9. On November 11, the so-called double 11 shopping carnival, his mother spent a lot in buyingclothes _ his father bought tens of latest digital devices

21、.A. soB. whenC. asD. while10. Word spread across the country _ the former first lady planned to run for the nextpresident election.A. thatB. whatC. whetherD. where英语试题 ( 第 1 页 共 9 页 )第二节 完形填空(共 20 小题;每小题 1.5 分,共 30 分)阅读下面短文,从短文后各题所给的所给选项(A、B、C、D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。On a very cold evening, a

22、n old man was trembling with his nearly icy hair and beard beside ariver. Anxiously, he was waiting for a11across the river. The wait seemed12 . The old mansat on the ground waiting for quite a long time.13 , he saw several horsemen coming. He watched them silently and let the first one pass bywitho

23、ut even asking. Another passed by, and then another, till the last rider came near the old man.The old man caught the riders14and said, “Sir, would you15giving me a ride to the otherside?”16his horse,the rider replied,“Of course not”But it was so cold that the old mans bodywas almost17 . He could no

24、t get18the groundThe horseman helped the old man onto hishorseHe took the old man not just across the river,19to the old mans home.As they20the old mans house, the horseman asked,“Sir, you let several other riders passby without even asking. Then I21and you asked me for a ride at once. Why?22I had s

25、aidno and left you there?”The old man stared at the rider straight in the eyes, and said, “I looked23the eyes of theother riders. I quickly saw that they didnt24.It would be25even asking them for a ride.But in your eyes,I saw26. I knew that you would help me”The words27the rider deeply“Thank you for

26、 what youve said,”he told the man“Ihope I will never leave others28because Im too busy, and every citizen does29in myheart.”With that, Thomas Jefferson,the third president of the US, turned his horse around and madehis30back to the White House.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29

27、.30.A. tripA. cruelA. GraduallyA. eyeA. likeA. RidingA. stuckA. onA. andA. nearedA. came inA. Even ifA. outA. waitA. uselessA. loyaltyA. attractedA. aloneA. liveA. livingB. rideB. boringB. FinallyB. handB. thinkB. SpeedingB. shockedB. downB. butB. visitedB. came onB. What ifB. forB. tryB. riskyB. ge

28、nerosityB. comfortedB. outB. believeB. choiceC. helpC. unfortunateC. SadlyC. backC. pleaseC. StoppingC. frozenC. inC. soC. arrivedC. came upC. As ifC. intoC. askC. dangerousC. ambitionC. touchedC. awayC. countC. mindD. driveD. endlessD. SurprisinglyD. faceD. mindD. LeavingD. injuredD. offD. thenD. l

29、eftD. came outD. Only ifD. upD. careD. foolishD. kindnessD. pleasedD. behindD. helpD. way第二部分 阅读理解 (共两节,共 50 分)英语试题 ( 第 2 页 共 9 页 )第一节 阅读下列短文,从每题所给的四个选项(A、B、C、D)中,选出最佳选项,并在答题卡上将该选项涂黑。(共 20 小题;每小题 2 分,共 40 分)AFrom Chengdu to Jiuzhaigou, you can travel along the East Line not only the other line going

30、past Dujiangyan and Wenchuan. Take a regular bus from Chengdu Chengbei Bus Station from 9:00to 16:30. It only takes about three hours to Jiangyou. The ticket is CNY50.00 net per person. Upalong Fujiang River, you will pass the second largest city in Sichuan, Mianyang and enjoy thepicturesque scenery

31、.There is bus available to the destination from 6:30 to 13:30 in Mianyang Pingzheng Bus Station,The one way ticket is about CNY95.00 net per person. In this case, you can not get stop at Jiangyouand Pingwu. This is one option for you.In Jiangyou, visit the Former Residence of Li Bai, the famous poet

32、 in Tang Dynasty. If timepermits, you can also take a look at the Doutuan Mountain, which is famous for its unique sceneriesand also holds national gliding (滑翔) campaigns every year. Take bus at Jiangyou Bus Station toPingwu and stay there for one night. Our recommendation is to stay at the Pingwu H

33、otel, which isthe first hotel that can serve foreigners in the small city. The contact phone number is 0816 -8822022. Pingwu has the best royal Buddhist temples in Ming Dynasty, Baoen Temple and thehistoric relics in the period of Three Kingdoms (220-280).The next day, take bus to Huanglong, which i

34、s 120 kilometers away from Pingwu. It only takesabout 2 hours to arrive at one of the worlds most naturally fantastic locations - the HuanglongScenic and Historic Areas. The bus ticket is CNY30.00 net per person.You can easily find the bus from Chuanzhusi to Jiuzhaigou. The journey time is 1.5 hours. Herewe would like to recommend another hotel in Jiuzhaigou for you, Mofang Hotel. The contactnumber is 0837-7764926.Two days in Jiuzhaigou Valley can give you enough time

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