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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·填空题日常生活类阅读
Personal Profile Personal Profile Name:Mary Age:13 School:Ocean Middle School Favourite colors: Yellow and orange Favourite thing: A dress from her mother Personal Profile Name:Tom Age:13 School:Golden Time Middle School
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九年级·英语·选择题日常生活类阅读
—________ do you make so many friends? —________ helping others.（ ）
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八年级·英语·填空题日常生活类阅读
Ben is a popular kid in his neighborhood.He has beautiful eyes and he likes to help the old.However,Ben had a bad habit—watching too much TV. Every afternoon,after school,Ben sat on his sofa and watched TV for hours.Some
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九年级·英语·填空题日常生活类阅读
How can we be polite?My grandma advises me to use "（1）______ words". The first one is "please".We use it when we（2）______ something.For example,I want to borrow Jane\’s dictionary.It would be （3）______ of me to say,"Give
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七年级·英语·填空题任务型阅读
I have a big family.My（1）______are kind.My grandpa likes Chinese chess and he has（2）______old chessboard.My grandma likes（3）______interesting books.My father is tall and funny,and（4）______likes fishing.Look,the fishing r
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七年级·英语·填空题任务型阅读
There is a football______（比赛）in our school this afternoon．
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七年级·英语·填空题任务型阅读
A:Hello,Alice!Welcome to my home. B:Thanks a lot,Bob.（1）______? A:I\’m fine.Let me show（展示）you a picture.（2）______? B:I can see a farm.I know your grandpa has a farm.（3）______? A:Yes,it is.Can you see any animals on the
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八年级·英语·填空题任务型阅读
It\’s December.It\’s snowing and the weather is really cold in the north of China.You can see many children playing with snow.Some of them are making snowmen.Some are skating on the river,because it\’s very cold and the
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八年级·英语·填空题任务型阅读
What do junior high school students do in their free time?Last month,we interviewed 150 students in No.2 High School about their free time activities.Our questions were about exercise,helping with housework,watching TV a
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七年级·英语·填空题任务型阅读
Sam usually gets out of bed at seven o\’clock.But this morning,when Mrs Miller asks him to get up,he （1）______（say）,"Mum,please let me sleep for fifteen（2）______（many） minutes." "But it\’s seven o\’clock now,"says Mrs Mi
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九年级·英语·选择题同位语从句
You've no idea ___________to build a new airport． Let me tell you， young man． That's billions of dollars!（ ）
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八年级·英语·填空题同位语从句
I\’m going to make an early start in order not to miss the bus.（保持句意基本不变） I\’m going to make an early start____________I won\’t miss the bus.
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八年级·英语·选择题过去将来时的被动语态
—Jack !The floor is so dirty! —Oh.Sorry,Mum.I can\’t help it because I am too busy.（ ）
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七年级·英语·选择题过去将来时的被动语态
--- Look out of the window!It _____. --- Wow.It seldom _____ here in winter.（ ）
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七年级·英语·填空题过去将来时的被动语态
Luckily,we can spend ______（/ə\’nʌðə/） two weeks staying in Nanjing.
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八年级·英语·选择题过去将来时的被动语态
So far,we ___________ 6000 English words.（ ）
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七年级·英语·选择题过去将来时的被动语态
The machine is broken,I want______.（ ）
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九年级·英语·填空题过去将来时的被动语态
reply word situation warm receive encourage student love remind deep The warm news "A boy sent a message to his dead father and received a warm reply." appeared on the Internet not long ago.It（1）______ touched a number o
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七年级·英语·填空题阅读填空
It is very ______ （move） to see how much strangers can care for each other.
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八年级·英语·填空题阅读填空
Antarctica（南极） is in the most southern part of the earth.There are lots of unusual facts about it.A number of animals live in terrible weather （1）______（条件） there.Killer whales and penguins are common animals Certain typ
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