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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·填空题阅读表达
Dear David, How are you?I\’m in Beijing now．I like Beijing a lot．I have two good friends here．They are Bill and Wang Xin．Bill is from Canada and Wang Xin is from China．We are in the same class．Wang Xin often helps me wit
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七年级·英语·填空题阅读表达
Nobody can say no to a flower world in the real life.That\’s why more and more people come to the Huazhao Festival to enjoy the beautiful and busy party in spring. The Huazhao Festival is the birthday of all flowers and
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八年级·英语·填空题阅读表达
I want to be a musician and it is my only dream.When I was in the primary school,I decided to join the ensemble （合奏团）.Now I am playing the recorder （竖笛） in the ensemble and I am very happy.I don\’t mind playing any instr
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七年级·英语·解答题阅读表达
Round The World Mr．and Mrs．Spencer both had very busy jobs and didn\’t have much time to spend with their young children．They wanted to change this,and because their hobby was boating,they,decided to sail round the world
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八年级·英语·填空题阅读填空
Do you love flowers?Today I will tell you something kind of beautiful flower—sunflower. A sunflower is a big round yellow flower.Sunflowers need a lot of sun to grow.In fact,sunflowers are made up of many small flowers.T
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八年级·英语·选择题阅读表达
—Did you hear someone call you,Kate? —No.Bill the music so loudly that I heard nothing.（ ）
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七年级·英语·填空题阅读表达
连词成句.请根据图画场景和各题提示词创写语法正确、符合语境的完整句子.（每题限写一个句子,提示词以外的词语不超过三个,缩写算一个词.） （1）I,want,join,the Sports Club ______. （2）I,like,play,baseball and basketball,my friends ______. （3）I,think,play sports,be good for,our health ______. （
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七年级·英语·填空题阅读表达
I was very sleepy in the morning,so I didn\’t go running as usual．At nine o\’clock,Tom called me to join him in a basketball game．He said that Jack and other boys would also be there too．I had finished my homework and ha
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七年级·英语·选择题一般疑问句
"中华人民共和国" is " " in English.（ ）
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七年级·英语·填空题任务型阅读
He has to ______（介绍） himself because it is his first day at work.
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九年级·英语·填空题任务型阅读
There are many places to do volunteer work in the community.Some of my classmates volunteer at the animal shelter,the community table（which provides free meals for poor families） and many other places.Finding the right p
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七年级·英语·选择题任务型阅读
I like to ,so I have many friends.（ ）
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八年级·英语·填空题任务型阅读
Mr.Thompson is a maths teacher.Now he is teaching the students how to ______. （calculation）
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八年级·英语·选择题广告布告类阅读
Thanks for helping me a lot.________,I couldn\’t pass the exam so smoothly.（ ）
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七年级·英语·填空题广告布告类阅读
Emma was nervous about the ceremony.She was the valedictorian（致告别辞者） for their class,and she was （1）______（worry） about speaking in front of such a large audience（观众）.Emma wanted to practice her speech one more time with
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九年级·英语·填空题广告布告类阅读
Join us at Uncle Bob\’s country buffet（自助餐）-one of the best local restaurants.We are now looking for people who would be interested in working with us. 3 cooks *At least one year\’s experience in a western restaurant kit
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八年级·英语·选择题任务型阅读
—Don\’t ______ me,dad.I can look after myself. —I\’m glad you said so.（ ）
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七年级·英语·选择题任务型阅读
You must ______ the traffic lights.（ ）
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七年级·英语·填空题广告布告类阅读
Happy Middle School We\’re a bilingual（双语的）school for children of 6-15．We want a cook,a library assistant,a sports coach and a language teacher． Job Age Language Skill（技能） Other term（条件） cook 25-40 Chinese can cook Chine
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八年级·英语·填空题广告布告类阅读
Beijing is the place to visit SUZHOU TRAVEL COMPANY Suzhou,China Best 5 Days in Beijing 2 nights Beijing Hotel and 2 nights Changcheng Hotel Book（预定）online:www.suzhoutour.com（any time） or call:0512-5258888（business hours
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