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#1 · 常错题

今年市委市政府积极推进创建“全国文明城市”工作,市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为:“\(A-\)十分熟悉”,“\(B-\)了解较多”,“\(C-\)了解较少”,“\(D-\)不知道”\()\),对我市一所中学的学生进行了随机抽样调查,根据调查结果绘制了两幅不完整的统计图如图,根据信息解答下列问题: \((1)\)本次抽样调查了多少名学生; \((2)\)补全条形统计图和扇形统计图; \

#2 · 常错题

在平面直角坐标系中,点A的坐标为(1,1),点B的坐标为(11,1),点 C 到直线 AB的距离为4,且△ABC是直角三角形,则满足条件的点 C 有个.

#3 · 常错题

如图所示,直线AB、CD相交于点O,OM⊥AB, (1)若∠1=∠2,求∠NOD的度数 1 (2)若∠1=∠BOC,求∠AOC和∠MOD的度数. 4

#4 · 常错题

分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$; $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$; $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=

#5 · 常错题

一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?

#6 · 常错题

将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)

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七年级·英语·填空题人物故事类阅读

Sandra was a seven-year-old girl.Her best friend was her neighbor,but she moved to another city about a month ago.Sandra was unhappy about her friend\’s move.Now they send emails and text messages to keep in touch. Last

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七年级·英语·填空题人物故事类阅读

NOTICED BOARD Lost My black handbag was lost in the school library last Wednesday.My student certificate and key to my bike are in it. Will the finder please call David at 39363096?Thanks a lot! David Football Match Clas

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七年级·英语·填空题记叙文;人物故事类阅读;判断推理;文中细节

Harry did not stop his car at some traffic lights when they were red,and he hit another car.Harry jumped out and went to it.There was an old man in the car.He was very frightened and said to Harry."What are you doing?You

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七年级·英语·填空题问答题;任务型阅读

Do you know some people often love to play this game?It is an interesting game(1)______"Musical Chairs".It is easy to play and most people enjoy it.What you(2)______are some chairs and a tape-recorder.Put the chairs in a

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七年级·英语·选择题情态动词;虚拟语气

-Don't shout in the library.Please keep quiet.- .( )

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七年级·英语·选择题形容词

-Would you like cakes?They are so delicious.- .I'm full.( )

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七年级·英语·选择题名词

Amy's father is a manager.He works in a .( )

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七年级·英语·选择题动词;动词词义辨析

In spring,you can the whisper of the flowers if you carefully.( )

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七年级·英语·选择题动词;不定式

The snow makes them cold,so they makes a fire warm.( )

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七年级·英语·选择题基数词

There are over three students in our school and of them lives nearby.( )

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七年级·英语·选择题常用日常交际用语;日常用语

-Hello!May I speak to Mike,please? -This is Mike speaking. .( )

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七年级·英语·选择题日常生活类阅读

Daniel\’s school is the east of the town and the south of the hospital.( )

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七年级·英语·选择题人称代词;物主代词

If bicycle is broken, can use .( )

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七年级·英语·选择题物主代词;形容词词义辨析

I hope you ________ a car ________.( )

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七年级·英语·选择题数词

-Bob,can you read the number 307,018? -Yes,I can.It's .( )

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七年级·英语·选择题冠词

Don't it in Chinese.Please English.( )

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七年级·英语·选择题介词+分词短语;介词和介词短语

She will go there underground and I will go there a bus.( )

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七年级·英语·选择题副词;情态动词

she isn't at home.She go to Beijing.( )

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七年级·英语·选择题不定冠词(a,an)

-Do you know man in black? -Which one? one outside the classroom?He's new teacher.( )

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七年级·生物·选择题显微镜的基本构造和使用方法

在使用显微镜观察过程中,对光完成的标志是( )

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