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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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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
—________ is the mountain in the village? —It’s about 2,000 meters high. A．How wide B．How old C．How long D．How high
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
This morning I ________ on the ice and hurt my left knee. A．fell over B．lay down C．dressed up D．hung out
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
The supermarket was the first one ________ jobs for the deaf. A．providing B．to provide C．losing D．to lose
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
The house is too small for the family ______. A．live in B．living in C．to live in D．lives in
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
In order to finish the project，we'll have to work ______ hours a day. A．more two B．two more C．two another D．other two
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
—Why did you open the window? —Because I want to ________ more fresh air. A．turn down B．take up C．put up D．take in
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
—Feel free ________ me if you have any problem. —That's very kind of you. A．ask B．asks C．to ask D．asking
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
—Don't give up ________ to achieve your dreams. —OK.I will try my best. A．try B．trying C．to try D．tried
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
As we know，China has the ________ population in the world. A．most B．more C．largest D．larger
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
—We should be brave when we are ________ the face of difficulty. —I agree with you. A．with B．in C．from D．through
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八年级下·英语·choice专题08 单项选择专练100题（二）（人教版）
You spend too much time on your mobile phone. You are supposed to ________ the time you spend on it. A．cut off B．cut down C．cut up D．cut in
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八年级下·英语·blank专题02 重点短语及专练（人教版）
为了 __________
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九年级·英语·信息匹配语篇范围
One day.I picked up my daughter Eloise from school and went to the supermarket for a few things. (1) so that I could get home earlier to prepare supper. I found a short line with just one person in front of me.It was an
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九年级·英语·阅读理解个人故事
Liu Jichen,a student from Tsinghua University,has developed a WeChat mini-program called"Clear Plate".After a meal,users can open the mini-program and take a picture of their empty plates.Once the picture is recognized b
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九年级·英语·阅读理解文娱与体育
In July,China introduced the "double reduction" policy.It hopes to reduce schoolwork burden（负担） on primary and junior high school students.The policy calls for reducing homework and after-school classes. According to the
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九年级·英语·阅读理解广告
April Hot SALE At Nobel Book Store! To celebrate our 30th birthday,we are having a big sale! Children's books Textbooks Picture books Story books 25% off 30% off 20%off 20% discount（折扣）on all adults' books! Amazing event
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九年级·英语·阅读理解个人故事
One day,a boy called Tom decided to give up his life.To this end,He went to the forest and had one last conversation with God. "God,can you give me a reason not to give up？" he asked. The god's answer surprised Tom： "loo
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九年级·英语·单词拼写/单词释义写作表达
这些照片让我想起了我的爷爷。 These photos ______my grandfather.
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九年级·英语·单词拼写/单词释义写作表达
猴王为什么不能把自己变成人？ Why don't the Monkey King ______a man？
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九年级·英语·解答题篇章理解
Bill Gates is one of the world's richest men.He and his company,Microsoft,helped make computers cheap and popular.So what's he interested in now？Toilets. You might not think much about what happens after you use the toil
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