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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·填空题判断推理
Kelly liked dancing.She went to Star Dance School.Kelly worked very hard in her dance class,but she was sad because she couldn\’t dance well.Kelly did not want to dance again.She hid her dance shoes under her bed.She did
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七年级·英语·填空题判断推理
Do you want to know about jobs? Our parents are coming to give us lessons! Parents in Class For Grade 7 students Meeting Room 9:00 a.m.-11:00 a.m.,Thursday,12 th September Mr Smith A worker Hello,I\’m Lucy Smith\’s fathe
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七年级·英语·选择题判断推理
Teachers\’ Day is in （ ）
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七年级·英语·填空题社会现象类阅读
请先阅读下面短文,掌握其大意,然后用方框中所给词的适当形式填空.每个词限用一次. who last help buy family think happy parent too good teacher Hello,everyone!Do you know （1）______ this boy in the picture is?Yeah,he is Jack Brown,an English boy.What\’s his（2）___
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七年级·英语·填空题阅读填空
Halloween （万圣节） is on N______ 1st．
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七年级·英语·填空题阅读表达
Great Music Center Musical Instrument Classes for Children Are you interested in playing musical instruments?Choose the one you like and learn with us! Piano Age:9-12 Time:every Sunday 9:30 am-11:30 am Place:Students Art
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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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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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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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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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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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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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七年级·英语·填空题广告布告类阅读
-school clubs Come and have fun together! Photography club Collecting club Time:Fridays:3:15 pm - 5:30 pm Place:Room 201 Activities:There is a photo exhibition（展览）.You can enjoy the photos and talk with other students in
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七年级·英语·填空题过去将来时的被动语态
______ you ______（see） your friend when you were in Beijing?
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七年级·英语·填空题过去将来时的被动语态
______（有时）I stay up late.
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