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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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九年级·英语·填空题政治经济类阅读
Octopuses（章鱼）are famous for their round bodies,big eyes and eight arms.There are many different types of octopuses,but one thing about them is the same:They are good at disguising（伪装）themselves.Octopuses can change their
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八年级·英语·填空题广告布告类阅读
COOKS WANTED IN ZIBO Work hours:From 6:00 p.m.to 12:00 a.m.（weekdays） From 4:00 p.m.to 1:00 a.m.（weekends） You must:be able to make delicious barbecues get along well with the people be on time Telephone:0533-2287044 E-m
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九年级·英语·填空题广告布告类阅读
There are different types of maps.Let\’s have a look at their uses,and you will get more knowledge. Tourist maps,for example,have signs to show places of interest in an area.When tourists read these maps,it is easy for t
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七年级·英语·填空题广告布告类阅读
Welcome to Guangzhou Chimelong Safari Park Do you like animals?Do you want to take your kids to see animals?Come to Guangzhou Chimelong Safari Park.It is a great place to spend time with your kids.You can walk or drive i
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九年级·英语·填空题there be 句型
Jane will leave Beijing in three days . （就划线部分提问） ______will Jane leave Beijing?
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七年级·英语·填空题there be 句型
There ______many sheep eating grass （草） on the farm. （be）
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九年级·英语·选择题现在进行时的被动语态
My mobile phone is ________ now. May I use yours?
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九年级·英语·选择题现在进行时的被动语态
My washing machine _________this week, so I have to wash my clothes by hand.（ ）
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九年级·英语·填空题其他类阅读
As an exchange student,I studied in France for two years.The first time I took a class in the chemistry laboratory,I was surprised to find that students were fully"armed".Everyone was wearing goggles（护目镜） and gloves.Safe
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九年级·英语·填空题史地常识类阅读
There was a group of teenagers standing on the street ______（角落）.
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九年级·英语·填空题史地常识类阅读
Lanzhou beef noodles come from the capital of Gansu province in Northwest China. It not only has a rich history and culture,but also is a dish that has won wide attention home and abroad.Changing from a common bowl of no
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九年级·英语·填空题史地常识类阅读
A tree has roots.People have roots,too.If you get to the root of a problem,you will solve it.It\’s the same thing with words.Dig deeply into a big,unfamiliar （不熟悉的） word and you will understand where it came from. Prefix
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八年级·英语·填空题一般过去时的被动语态
昨天他一下飞机,就迫不及待地把好消息告诉给妈妈. As soon as he ______ the plane,he ______ his mother the good news yesterday.
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七年级·英语·填空题阅读表达
This flower is beautiful.（变为复数） ______ flowers ______ beautiful.
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七年级·英语·选择题阅读表达
Nancy is active girl.We like to play with her.（ ）
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八年级·英语·填空题阅读填空
My little sister could look after ______ at the age of seven.（she）
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七年级·英语·填空题阅读填空
around,more,watch,example,correct （1）I want ______ books. （2）His answers are ______. （3）Let\’s move ______ our new school. （4）Please show me some ______. （5）David enjoys ______ English films.
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九年级·英语·选择题时态辨析
-Could you tell me when Mr．Li in Huanggang? -Sure．When he ,I'll call you．（ ）
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九年级·英语·填空题首字母阅读填空
根据短文意思和所给首字母，写出一个完整正确的单词． In early human history，people found that the changes of"light and darkness"seemed to （61）h again and again．The sun rises in the east，（62）p light and heat and goes down in the west，causing darkne
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九年级·英语·填空题首字母阅读填空
Dear Lucy， In your last letter，you told me that you have no time to play with your friends because your parents are too（81）s with you．And they have （82）m rules for you at home．I'm sorry to hear that．And here are my（83）s
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