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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·填空题特殊疑问句
—I\’m going to Hong Kong this weekend. —Oh,it s ______great.Have fun!
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七年级·英语·填空题特殊疑问句
name.is.what,her,last（?） ______
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九年级·英语·填空题新闻报道类阅读
Chinese team won forty gold m ______（奖牌） in the Paris Olympics.
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九年级·英语·填空题新闻报道类阅读
On August 3,2024,21-year-old Chinese player Zheng Qinwen beat another tennis player Vekic and won the women\’s singles gold at the Paris Olympics.It was China\’s second Olympic gold medal in tennis,following a women\’s d
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八年级·英语·填空题新闻报道类阅读
Today,many people are busy working,so they （1）______ exercise.They may have free time,but they （2）______ to go out.Watching TV or playing on computers becomes a habit for many people.They think they\’ re the best ways to
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八年级·英语·选择题状语从句
—Can you tell me if they____shopping tomorrow? —I think they will if the weather____fine.（ ）
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九年级·英语·填空题阅读排序
Lu Xun is one of the greatest Chinese writers of the 20th century．Besides his famous stories，he also wrote many influential articles about the living conditions of Chinese people． Born in 1881 to a wealthy family，Lu Xun
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九年级·英语·填空题阅读排序
Born in Ghana，West Africa，in 1989．Freddy Adu has become one of the most promising young soccer players in the world．Soccer fans have been crazy about him since 2003，when he became the youngest player to join a profession
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八年级·英语·填空题逸闻趣事类阅读
Once upon a time,there was a forest where all the animals lived happily together.One day,a family went to spend the day in the forest,and one of the little boys of this family left his socks there.Soon after the family l
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七年级·英语·填空题逸闻趣事类阅读
Do you know AlphaGo?It is a top artificial intelligence Go player（人工智能围棋选手）.It watches lots of Go games and reads many Go books.In a match,it can always pick the best move （一步棋）,and ChatGPT is another AI star.US company
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七年级·英语·填空题逸闻趣事类阅读
When the storm came yesterday,the wind blew ______.（strong）
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八年级·英语·填空题历史文化类阅读
With a birthday usually comes a party,as well as a cake,presents and wishes from friends.But beyond these,what does a birthday mean? One year,I （1）______my birthday alone in a new place.Calls and messages poured in as us
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九年级·英语·填空题新闻报道类阅读
Crossing over mountains and passing by rivers,a group of Laotian （老挝的） children arrived in China on the China-Laos railway train. This is the cultural （文化的） journey recorded in the documentary （纪录片） The Memory of All the
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九年级·英语·填空题新闻报道类阅读
"Guangzhou has become so much more modern," said Julia Onbashi,a 34-year-old from Russia.She returned to Guangzhou after 10 years,thanks to the 1 44-hour visa-free transit （中转）policy. From Dec 5 to 7,2023,Onbashi travele
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七年级·英语·填空题新闻报道类阅读
Zheng Qinwen,a21-year-old Chinese girl who is good at playing tennis,won the first gold medal（金牌）in the women\’s singles tennis in Paris Olympic on August,3. This is the first time（第一次） that Chinese team has won the Olym
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九年级·英语·选择题祈使句
If Xiaolin_____early,he won\’t miss the early bus.（ ）
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九年级·英语·选择题一般现在时的被动语态
The graduation ceremony in our school hall every year.It has become a tradition.（ ）
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九年级·英语·选择题一般现在时的被动语态
Generally speaking,tea plants ________ on the sides of mountains.（ ）
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七年级·英语·句型转换语法
- ____________ is your T-shirt？ （how） - 50 yuan.
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七年级·英语·句型转换语法
一 ____________ apples are there on the table？（how） 一Nine.
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