logo
  • write-homewrite-home-active首页
  • icon-chaticon-chat-activeAI 智能助手
  • icon-pluginicon-plugin-active浏览器插件
  • icon-subjecticon-subject-active学科题目
  • icon-uploadicon-upload-active上传题库
  • icon-appicon-app-active手机APP
首页
/
数学
题目

合理分配时间,检查很有必要。不要急于迅速做完,踏踏实实做完每一个题后认真检查。先检查有理数混合运算、整式化简求值、解方程三类型题。再检查填空题,最后是选择题。解方程的检查可以将解带入原方程进行检验,如果等号两边不相等要立即查找每一步骤,找出错误改正。4、不纠结于不会的题,但不放弃“难题”,当遇到自己不会做的题时,如果看题3遍都毫无思路,应该马上跳至下一题。所谓的“难题”难在条件多,题意长,多读几遍题,弄清所有的已知条件,充分利用,就能得到应得的分数。二、技巧准备1、选择题有些选择题可以代入答案验证;如方程类型,代入验证比直接求解要简单有些题目用赋值法(用某数字如1、2、0、-1、-2等代替字母),但是让字母的值一定要符合题意。2、填空题书写要清晰,切忌乱改乱涂;要求只填一个答案即可的一定不要多填,多填是毛病;注意有多解的情况;填代数式的结果应化为最简结果,即去括号合并同类型。是多项式要添加括号。3、解答题(1)计算题(计算考的是细心,不会太难的,一步步来,不要急着快点写完)易错点:运算顺序;运算符号;别抄错数字和符号!往往第二、第三步的运算顺序出错!(2)化简后求值题化简时原代数式可以用”原式”代替,也可以抄一遍,但要抄准确。每一步变形用“=”连接。化简完后,按步骤书写:当a=……时,原式=……=……。当字母的值没有直接给出时,要写出一些步骤求字母的值。化简正确是关键,易错点:去括号时漏乘,应乘遍每一项;括号内部分项忘了变号,要变号都变号;合并同类项时漏项,少抄了一项尤其常数项。字母颠倒的同类项,注意合并彻底。⑶解方程组、不等式、不等式组解方程组时:每一步只作一种变形,一步步来,不要跨度太大而出错,解完可以带入原方程检验对不对;解不等式、不等式组:严格按步骤去做,注意解集的确定,要利用数轴正确定解集;易错点:①去分母时漏乘不含分母项(整数项也要乘以最小公倍数);②去括号时漏乘(没乘遍每一项)、部分项忘记变号(要变号都变号);③移项忘记变号;④将未知数系数化为1时分子分母位置颠倒(x的系数作分母);⑷方程不等式的应用题按列方程一般步骤:审、设、列、解、验、答进行;按步骤得分,不可缺项。(一定要多看几遍题目!划出条件词语,把题目意思搞懂后在动笔。列方程和不等式时,记得把题目已知条件列在草稿纸上,还有中文等式)方程思想是最常用的一种数学思想,不管在小题还是大题中,列方程求解很实用。成功历来都垂青于有准备的人!数学没有你想的那么难!你认为难是因为你的计算老是出错,你的理解没有到位,你的知识应用还没有熟练……补救的办法就是:①细心计算;②多读几遍题,把意思弄懂;③做完后反复检查。相信聪明的你一定取得令大家满意的成绩,开开心心过暑假!以自信轻松的心情参加考试,当成是完成一项任务,加油!!Thanks to the wonderful TV show on CCTV,the young are becoming more and more interested in Chinese traditional culture.31.Readers has recently become popular on TV?32.People can only read poems,books,and letters in the TV show of Readers.33.Every reading pavilion is so big that many fans can come into it each time.34.The TV show of Readers will pick some of the readers and invite them to read on TV.35.The young are becoming more and more interested in Chinese traditional culture because of Readers..第二节阅读下面A,B,C三篇材料并根据材料内容做后面的题目,从各题所给的A,B,C三个选项中,选出一个能回答所提问题或所给句子的最佳答案.26.(10分)John was a good student but he didn't respect others.One day,his mother gave him a drum as birthday gift.He often went around the classroom playing his drum.When others asked him to keep quiet or pay somewhere else,John refused.John's classmates couldn't bear the noisy drum,so they stopped playing with him.Peter,one of his classmates,invented special______which allowed people to hear normal sounds,but stopped the bad ones.John got very angry with peter.He even had a big fight with Peter.A few days later,a clock was put into classroom,just next to the desk of John.The clock was making the noise like"Tick tock,tick tock."John couldn't concentrate on(专注于)his study at all.However,the others,with their special earplugs,were OK.Soon John started to realize how much he had disturbed(打扰)his classmateswith the drum,and how silly it had been to fight with Peter.In order to change the situation,John decided to say sorry to his classmates.What's more,he no longer played his drum in the classroom.Seeing John's great classmates,his classmates finally forgave(原谅)him and decided to play with him again.From then on,John changed a lot and got along well with his classmates.46.Which of the following is NOT TRUE according to the first paragraph?A.John was not a good student because he didn't respect others.B.John got a drum from his mother as a birthday present.C.John refused to keep quiet or play his drum somewhere else.47.What's the Chinese meaning of the underlined word"earplugs"?A.耳朵B.耳塞C.耳环48.Why did John's classmates stop playing with him?A.Because his classmates couldn't bear his noisy drum.B.Because he had a big fight with Peter.C.Because Peter invented special earplugs.49.How did John make his classmates forgive him?A.By wearing a special earplug.B.By putting a clock into the classroom.C.By saying sorry to his classmates and no longer playing his drum in the classroom.50.What can we learn from this passage?A.We should stop playing with others if they make noises.B.We should have a big fight with the person who disturb us.C.We should respect and get along well with each other.36.(10分)Nowadays there seems to be an APP for everything.And mobile apps have been a part of our life.The following apps are part of the most popular apps.36.Ctrip is a useful APP for.A.Buying ticketsB.learning EnglishC.playing games37.Ximalaya Reading hasvaluable resources.A.One millionB.over one millionC.less than one million38.Kids canwith the help of Baby Bus.A.Learn to speakB.draw picturesC.Both A and B39.If you want to learn more English words while playing games,you'd better choose.A.CtripB.Ximalaya ReadingC.World Heroes40.What's the best title of this material?A.Introduction of mobile App for reading.B.Introduction of some popular mobile appsC.Introduction of mobile apps for learning English.41.(10分)In 2012,Lin Tao's mother was badly ill.He was worried because needed lots of money.So he sent a message for help on his Wechat.He promised he wouldreturn all the money in 3﹣5years.In this way,he raised over 100thousand yuan in several months.Two years later his mother died.After he finished his college,he worked hard and saved all his money.He wanted to return all the money as soon as possible.

合理分配时间,检查很有必要。不要急于迅速做完,踏踏实实做完每一个题后认真检查。先检查有理数混合运算、整式化简求值、解方程三类型题。再检查填空题,最后是选择题。解方程的检查可以将解带入原方程进行检验,如果等号两边不相等要立即查找每一步骤,找出错误改正。4、不纠结于不会的题,但不放弃“难题”,当遇到自己不会做的题时,如果看题3遍都毫无思路,应该马上跳至下一题。所谓的“难题”难在条件多,题意长,多读几遍题,弄清所有的已知条件,充分利用,就能得到应得的分数。二、技巧准备1、选择题有些选择题可以代入答案验证;如方程类型,代入验证比直接求解要简单有些题目用赋值法(用某数字如1、2、0、-1、-2等代替字母),但是让字母的值一定要符合题意。

2、填空题书写要清晰,切忌乱改乱涂;要求只填一个答案即可的一定不要多填,多填是毛病;注意有多解的情况;填代数式的结果应化为最简结果,即去括号合并同类型。是多项式要添加括号。3、解答题(1)计算题(计算考的是细心,不会太难的,一步步来,不要急着快点写完)

易错点:运算顺序;运算符号;别抄错数字和符号!往往第二、第三步的运算顺序出错!

(2)化简后求值题

化简时原代数式可以用”原式”代替,也可以抄一遍,但要抄准确。每一步变形用“=”连接。化简完后,按步骤书写:当a=……时,原式=……=……。当字母的值没有直接给出时,要写出一些步骤求字母的值。化简正确是关键,易错点:去括号时漏乘,应乘遍每一项;括号内部分项忘了变号,要变号都变号;合并同类项时漏项,少抄了一项尤其常数项。字母颠倒的同类项,注意合并彻底。⑶解方程组、不等式、不等式组

解方程组时:每一步只作一种变形,一步步来,不要跨度太大而出错,解完可以带入原方程检验对不对;解不等式、不等式组:严格按步骤去做,注意解集的确定,要利用数轴正确定解集;易错点:①去分母时漏乘不含分母项(整数项也要乘以最小公倍数);②去括号时漏乘(没乘遍每一项)、部分项忘记变号(要变号都变号);③移项忘记变号;④将未知数系数化为1时分子分母位置颠倒(x的系数作分母);⑷方程不等式的应用题

按列方程一般步骤:审、设、列、解、验、答进行;按步骤得分,不可缺项。(一定要多看几遍题目!划出条件词语,把题目意思搞懂后在动笔。列方程和不等式时,记得把题目已知条件列在草稿纸上,还有中文等式)方程思想是最常用的一种数学思想,不管在小题还是大题中,列方程求解很实用。成功历来都垂青于有准备的人!数学没有你想的那么难!你认为难是因为你的计算老是出错,你的理解没有到位,你的知识应用还没有熟练……补救的办法就是:①细心计算;②多读几遍题,把意思弄懂;③做完后反复检查。相信聪明的你一定取得令大家满意的成绩,开开心心过暑假!

以自信轻松的心情参加考试,当成是完成一项任务,加油!!

Thanks to the wonderful TV show on CCTV,the young are becoming more and more interested in Chinese traditional culture.

31.Readers has recently become popular on TV?

32.People can only read poems,books,and letters in the TV show of Readers.

33.Every reading pavilion is so big that many fans can come into it each time.

34.The TV show of Readers will pick some of the readers and invite them to read on TV.

35.The young are becoming more and more interested in Chinese traditional culture because of Readers..

第二节阅读下面A,B,C三篇材料并根据材料内容做后面的题目,从各题所给的A,B,C三个选项中,选出一个能回答所提问题或所给句子的最佳答案.

26.(10分)John was a good student but he didn't respect others.One day,his mother gave him a drum as birthday gift.He often went around the classroom playing his drum.When others asked him to keep quiet or pay somewhere else,John refused.John's classmates couldn't bear the noisy drum,so they stopped playing with him.Peter,one of his classmates,invented special______which allowed people to hear normal sounds,but stopped the bad ones.John got very angry with peter.He even had a big fight with Peter.

A few days later,a clock was put into classroom,just next to the desk of John.The clock was making the noise like"Tick tock,tick tock."John couldn't concentrate on(专注于)his study at all.However,the others,with their special earplugs,were OK.Soon John started to realize how much he had disturbed(打扰)his classmateswith the drum,and how silly it had been to fight with Peter.In order to change the situation,John decided to say sorry to his classmates.What's more,he no longer played his drum in the classroom.Seeing John's great classmates,his classmates finally forgave(原谅)him and decided to play with him again.

From then on,John changed a lot and got along well with his classmates.

46.Which of the following is NOT TRUE according to the first paragraph?

A.John was not a good student because he didn't respect others.

B.John got a drum from his mother as a birthday present.

C.John refused to keep quiet or play his drum somewhere else.

47.What's the Chinese meaning of the underlined word"earplugs"?

A.耳朵

B.耳塞

C.耳环

48.Why did John's classmates stop playing with him?

A.Because his classmates couldn't bear his noisy drum.

B.Because he had a big fight with Peter.

C.Because Peter invented special earplugs.

49.How did John make his classmates forgive him?

A.By wearing a special earplug.

B.By putting a clock into the classroom.

C.By saying sorry to his classmates and no longer playing his drum in the classroom.

50.What can we learn from this passage?

A.We should stop playing with others if they make noises.

B.We should have a big fight with the person who disturb us.

C.We should respect and get along well with each other.

36.(10分)Nowadays there seems to be an APP for everything.And mobile apps have been a part of our life.The following apps are part of the most popular apps.

36.Ctrip is a useful APP for.

A.Buying tickets

B.learning English

C.playing games

37.Ximalaya Reading hasvaluable resources.

A.One million

B.over one million

C.less than one million

38.Kids canwith the help of Baby Bus.

A.Learn to speak

B.draw pictures

C.Both A and B

39.If you want to learn more English words while playing games,you'd better choose.

A.Ctrip

B.Ximalaya Reading

C.World Heroes

40.What's the best title of this material?

A.Introduction of mobile App for reading.

B.Introduction of some popular mobile apps

C.Introduction of mobile apps for learning English.

41.(10分)In 2012,Lin Tao's mother was badly ill.He was worried because needed lots of money.So he sent a message for help on his Wechat.He promised he wouldreturn all the money in 3﹣5years.In this way,he raised over 100thousand yuan in several months.Two years later his mother died.After he finished his college,he worked hard and saved all his money.He wanted to return all the money as soon as possible.

题目解答

答案

earplugs

相关问题

  • 12 3 45 6 7 8 910 11 12 13 14 15 1617 18 19 20 21 22 23 24 2526 27 28 29 30 31 32 33 34 35 3637 38 39 40 41 42 43 44 45 46 47 48 4950 51 52 53 54 55 56 57 58 59 60 61 62 63 64 请找出左图表的规则(至少5个)

  • 已知一元二次函数的图像的顶点坐标为(1,2),并且经过点P(3,-4),求:(1)函数的解析式;(2)函数图像的对称轴(3)函数单调减的区间。

  • __-|||-(10 ) lim _(xarrow infty )dfrac ({x)^3-2(x)^2+5}(100{x)^2+15}

  • 【单选题】设U=(u1,u2,u3,u4), 有模糊集合A、B:A = 0.1/u1 + 0.7/u2 + 0.6/u3 + 0.6/u4,B = 0.3/u1 + 0.2/u2 + 0.6/u3 + 0.4/u4,则模糊集合A与B的交、并、补运算结果正确的一项是 。A. A 与 B 的交运算: 0.1/u1 + 0.2/u2 + 0.6/u3 + 0.6/u4B. A 与 B 的并运算: 0.1/u1 + 0.7/u2 + 0.6/u3 + 0.6/u4C. A 的补运算: 0.9/u1 + 0.3/u2 + 0.4/u3 + 0.4/u4D. B 的补运算: 0.7/u1 + 0.8/u2 + 0.4/u3 + 0.4/u4

  • 下列命题中错误的是( )A B C D

  • 从下面各数中找出所有的质数. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

  • 考虑下面的频繁3-项集的集合:⑴ 2, 3}, (1,2,4), (1,2, 5), (1,3,4), (1, 3, 5), (2, 3,4), (2, 3, 5), (3,4, 5)假 定数据集中只有5个项,采用合并策略,由候选产生过程得到4-项集不包含()A. 1, 2, 3, 4B. 1, 2, 3, 5C. 1, 2,4, 5D. 1,3, 4, 5

  • 下列哪项不是命题()A. 我正在说谎。B. 北京是中国的首都C. 你在吃饭吗D. 13能被6整除。

  • 10 . 函数(x)=sin (2x+dfrac (pi )(6))的最小正周期为___________ .

  • 与十进制[1]数 45.25 等值的十六进制[2]数是_____。

  • 【填空题】sin dfrac (11)(6)pi =___.

  • 下面哪个逻辑等价关系是不成立的()A. forall x-P(x)equiv -square xP(x)B. forall x-P(x)equiv -square xP(x)C. forall x-P(x)equiv -square xP(x)D. forall x-P(x)equiv -square xP(x)

  • 24.设二维随机变量(X,Y)在区域 = (x,y)|xgeqslant 0,ygeqslant 0,x+yleqslant 1 上服从均匀分布.求(1)-|||-(X,Y)关于X的边缘概率密度;(2)-|||-=x+y 的概率密度.

  • 计算: (log )_(2)9cdot (log )_(3)4= __

  • 8 . 有一个农夫带一匹狼、一只羊和一棵白菜过河(从河的北岸到南岸)。如果没有农夫看管,则狼要吃羊,羊要吃白菜。但是船很小,只够农夫带一样东西过河。用0和1表示狼、羊、白菜分别运到南岸的状态,0表示不在南岸,1表示在南岸,(如:100表示只有狼运到南岸)。初始时,南岸状态为000,表示狼、羊、白菜都没运到南岸,最终状态为111,表示狼、羊、白菜都运到了南岸。用状态空间为农夫找出过河方法,以下狼、羊、白菜在南岸出现的序列可能是( )。A. 000-010-100-101-111B. 000-010-001-101-111C. 000-100-110-111D. 000-001-011-111

  • 4.已知 sin alpha =-dfrac (3)(5), 且α是第三象限的角,则 cos alpha = __ ,-|||-tan alpha = __ o

  • https:/img.zuoyebang.cc/zyb_a9fbde2ddd269cef5638c27e19aff9b4.jpg.5dm 5dm-|||-18 dm一个底面是圆形的扫地机器人,贴合着一块地毯边缘行进一周(如图)。这块地毯的两端是半圆形中间是长方形。扫地机器人圆形底面的半径是https:/img.zuoyebang.cc/zyb_10216bc971f58ed03f5ceaf1efd30f89.jpg.5dm 5dm-|||-18 dm,它的圆心走过路线的长度是______https:/img.zuoyebang.cc/zyb_b5517f317a704553c4186b8deb5b7a51.jpg.5dm 5dm-|||-18 dm。​

  • 已知等差数列 12 , 8 , 4 , 0...... 求它的通项公式an 和前 10 项 的和an

  • 下列哪项不是命题()A. 我正在说谎。B. 13能被6整除。C. 你在吃饭吗D. 北京是中国的首都。

上一页下一页
logo
广州极目未来文化科技有限公司
注册地址:广州市黄埔区揽月路8号135、136、137、138房
关于
  • 隐私政策
  • 服务协议
  • 权限详情
学科
  • 医学
  • 政治学
  • 管理
  • 计算机
  • 教育
  • 数学
联系我们
  • 客服电话: 010-82893100
  • 公司邮箱: daxuesoutijiang@163.com
  • qt

©2023 广州极目未来文化科技有限公司 粤ICP备2023029972号    粤公网安备44011202002296号