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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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八年级·英语·填空题人物故事类阅读
The boy likes the food very much after finishing it,so he asks for m ______.
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七年级·英语·选择题人物故事类阅读
Mother wakes Jack up six every morning.（ ）
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八年级·英语·选择题特殊疑问句
-- ________________ ?-- By bus.（ ）
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八年级·英语·填空题新闻报道类阅读
Recently,a research on how a new virtual reality （VR虚拟现实） experience taught children about the fire disasters （灾害） was done.The new VR experience was developed by the University of South Australia,hoping to teach childre
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八年级·英语·填空题新闻报道类阅读
Beijing Opera is very______ （difference） from popular music.
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八年级·英语·填空题新闻报道类阅读
Travelling is not always happy,at least for the buddies in the movie Green Book.The popular film won Best Picture at the 91st Academy Awards on Feb.25. The movie was adapted from the true story of a road trip through the
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八年级·英语·选择题宾语从句
Which of the following tells us not to turn right?（ ）
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八年级·英语·填空题逸闻趣事类阅读
A shop owner put up a sign above his door that said:"Pets For Sale".Just as he expected,a boy appeared at the sign."How much are the dogs?"he asked. The owner replied,"Any money from ＄30 to＄ 50."The little boy took out s
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八年级·英语·填空题逸闻趣事类阅读
Alan told me the answer in a very s ______（简单的） way.
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八年级·英语·填空题新闻报道类阅读
Deng Qingming is one of the three Chinese astronauts carrying out China\’s Shenzhou-15 spaceship mission.He （1）______ （final） got the chance to go to space after nearly 25 years of preparation. Deng was born in a village
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九年级·英语·选择题新闻报道类阅读
—The Robotaxi （萝卜快跑） shows the development of AI. —Yes,it is such a hit in Wuhan now.（ ）
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八年级·英语·填空题新闻报道类阅读
compete,nothing,true ,myself ,become Zheng Qinwen got China\’s first Olympic gold in the tennis at the Paris Olympic on Aug 3.This 21-year-old girl has become the first player from China to step onto the highest podium（领
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九年级·英语·选择题宾语从句
—What did the manager ask you after the meeting? —He asked me ________.（ ）
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七年级·英语·句型转换语法
- ____________ do you go to the movies？（how） - Once a week.
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九年级·英语·句型转换语法
She used to have curly hair. （ 改为否定句） She ____________to have curly hair.
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七年级·英语·填空题历史文化类阅读
Erica is a nine-year-old girl.Today is a beautiful day for Erica.Her uncle will come from Australia（澳大利亚）today.Her uncle is twenty-seven.He lives there for three years.He will bring a big surprise（惊喜）for Erica. The schoo
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九年级·英语·填空题历史文化类阅读
A.She enjoys eating candies a lot. B.Yes,I guess so. C.It might be Laura\’s. D.Is this red coat yours? E.She likes red very much. F.How do you know that? A:Excuse me,Sandy. （1）______ B:No,it isn\’t.I don\’t have a red co
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九年级·英语·填空题新闻报道类阅读
_______ Growing up in a far-away town in Gansu province,12-year-old schoolgirl Liao Wenting was surprised to find that the high-tech products that she had seen in sci-fi（科幻） films could be within arms\’ reach. Her school
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九年级·英语·选择题状语从句
— have you been in Qingyang? —For three years.（ ）
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九年级·英语·选择题状语从句
— Mum,can I play basketball now? — If your homework ,you can.（ ）
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