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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·填空题汉译英
拆除这些旧房子怎么样? How about ____________these old houses?
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七年级·英语·填空题汉译英
要成为一名警察,你需要强壮的身体和坚强的意志.（need） ______
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八年级·英语·填空题汉译英
你想知道 David最喜欢的运动员是谁,可以这样问: ______?
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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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九年级·英语·填空题判断推理
Jenny has received about thirty p ______（明信片） from her aunt in British.
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九年级·英语·填空题判断推理
2024 October 20,2024 Cloudy Today,I had a talk with my friends about how our hometowns have changed since our parents were young. On my fifteenth birthday,my father gave me an iPad.And he told me that they played outside
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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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九年级·英语·阅读理解社会现象类阅读
You're rushing to school and a man ahead of you suddenly falls down． Do you stop to help？ In a study of bystanders， it was found that some people look away or keep on walking rather than stop and get involved． "There is
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九年级·英语·填空题社会现象类阅读
Do you know wuqinxi?It is a set of ancient exercises to help people stay healthy.It was created （1）______Hua Tuo,who lived in the Eastern Han Dynasty.As one of the most famous doctors in Chinese history,Hua Tuo is also b
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八年级·英语·填空题史地常识类阅读
Do you know the Double Ninth Festival?It is one of（1）______most important festivals in China.It is a special day for old people.It（2）______（begin）a long time ago.The festival is（3）______the ninth day of the ninth month i
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八年级·英语·选择题阅读填空
Steven Spielberg is one of ______ in the film industry in the world.（ ）
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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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八年级·英语·填空题阅读填空
How should you behave when you meet someone（1）______the first time.An American shakes your hand（2）______（firm）while looking at you straight in the eye.In many parts of Asia,there is no physical contact at all.In Japan,yo
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八年级·英语·选择题一般疑问句
— sugar do you want? — Two spoons,please.（ ）
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八年级·英语·填空题一般疑问句
Name Age Height What they\’re like What they\’re good at Tim 13 1.62 m Outgoing Singing Eric 15 1.60 m Shy Running Cindy 13 1.59 m Quiet Dancing Susan 14 1.58 m Serious Running （1）How old is Tim? ______ A.12. B.13. C.14.
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八年级·英语·填空题一般疑问句
你想知道同桌David多久锻炼一次,你可以这么问: ______,David?
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八年级·英语·填空题史地常识类阅读
My name is Lily and I\’m thirteen． Many students in our school have interesting hobbies （爱好）． Do you have one? If you don\’t, you can join the Dance Club． I started dancing six years ago． I started my hobby because I lik
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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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