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#1 · 常错题

#2 · 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)

#3 · 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; \

#4 · 常错题

#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

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|}=

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七年级·英语·填空题问候

A:Morning,Linda! B:Morning! A:(91)______? B:I live in a village. A:(92)______? B:Yes,it is far.It\’s about ten kilometers from my home to school.I need to get up early. A:(93)______? B:I usually get up at 5:40. A:(94)___

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七年级·英语·填空题一般现在时的被动语态

第一小组的同学们经常主动清洁教室的窗户. Students in Group One often ______the windows of the classroom.

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七年级·英语·填空题一般现在时的被动语态

Nowadays,kids all over the world are doing more and more extreme (极限的) sports.The most popular ones include inline skating (轮滑),BMX cycling (自行车越野),snowboarding,skateboarding and bungee jumping (蹦极跳).Why are they so extr

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七年级·英语·选择题过去将来时

Do you want to watch the news ?划线部分的句子成分是什么?( )

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八年级·英语·填空题现在完成进行时

With the teacher\’s help,Susan\’s English has progressed r ______(快速地).

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九年级·英语·填空题打电话

(It\’s 6:30 pm.Li Ming is talking with her father on the phone.)(L=Li Ming,F=Father) L:Hello!This is Li Ming.Is that Dad speaking? F:Yes,it\’s me ,your dad.(1)______ L:Pretty good!What about you,Dad? F:Everything goes we

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七年级·英语·填空题问路与应答

A.Can you tell me the way to the library? B.Is there a restaurant? C.Can I take a bus? D.Is there a big library near here? E.Is it far from here? A:Excuse me.(1)______. B:Yes,there is.There are many books in it.It\’s on

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七年级·英语·填空题问路与应答

Can you help me ______(横过) the road?

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七年级·英语·填空题问路与应答

A.Can you tell me the way to the library? B.By the way,is there a restaurant near here? C.Can I take a bus? D.Is there a big library near here? E.Is it far from here? F.How long does it take to get there? A:Excuse me.(1)

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七年级·英语·选择题一般过去时

选出下列音标正确的单词排列. [ˈʌðə(r)] [əˈnʌðə][ˈstɑ:tə] [ɪˈreɪzə(r)]( )

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七年级·英语·选择题现在进行时

The boy from America ______ long black hair.( )

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七年级·英语·填空题一般过去时

Sarah played badminton last weekend.(对画线部分进行提问) ______

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七年级·英语·填空题一般现在时

I like reading,and I visit the library ______( two)a month.

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八年级·英语·填空题一般现在时

is,name,what,your,please (, ) (?) ______

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七年级·英语·选择题一般过去时

Peter______ the swimming club two years ago.Peter______the club for almost two years.( )

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八年级·英语·选择题一般现在时

—I don\’t know if it will be sunny tomorrow. —If it ________ tomorrow,I will stay at home.( )

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七年级·英语·选择题一般现在时

Lots of children football now.( )

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七年级·英语·填空题一般现在时

It\’s important ______ (listen) more in our English learning.

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八年级·英语·填空题一般现在时

Correct one mistake. Example:I is a student. is →am There will have a sports meeting if it doesn\’t rain next Friday. ______

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七年级·英语·选择题现在进行时

!There\’s a lion food over there.( )

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