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#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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七年级上·语文·填空题名著导读 《西游记》：精读和跳读
名著阅读。 土地道：“这宝贝，三千年一开花，三千年一结果，再三千年方得成熟。短头一万年，只结得三十个。有缘的，闻一闻，就活三百六十岁；吃一个，就活四万七千年，却是只与五行相畏。”(《西游记》)所选片段中的“这宝贝”指的是 。
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七年级上·语文·填空题名著导读 《西游记》：精读和跳读
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七年级上·语文·填空题名著导读 《西游记》：精读和跳读
猪八戒有很多缺点，如好吃懒做，爱搬弄是非，爱占小便宜等，但他仍然深受人们喜爱。原来他也有不少优点，比如 、 是一个惹人发笑的喜剧形象。
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七年级上·语文·填空题名著导读 《西游记》：精读和跳读
名著《西游记》中唐僧在松涧火云洞落难，徒弟 (填人物)最终请来观音菩萨降伏了红孩儿。取得真经返归途中，老鼋作梗让师徒又经受了一次磨难，他作梗的原因是 。
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八年级·英语·单词拼写/单词释义Unit 7 Memory
In learning English， one should pay attention to listening and speaking． It is worth (1) （do）that because it is the groundwork（基础）of reading and writing． You'd better try your best (2) （speak）while you do much listening．
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八年级·英语·阅读理解Unit 7 Memory
A good memory is a great help in learning a language． Everybody learns his own language by remembering what he hears when he is a small child， and some children -like boys and girls who live abroad with their parents-see
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八年级·英语·填空题Unit 7 Memory
Don't worry about your______（injure）hand， Jane． The doctor will do his best．
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八年级·英语·填空题Unit 7 Memory
As his illness became more serious， his memory got______（bad）．
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八年级·英语·填空题Unit 7 Memory
Luckily， I found several______（article）about improving memory on the Internet．
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八年级·英语·填空题Unit 7 Memory
It is not easy for me to remember______（everyone）name at the party．
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八年级·英语·填空题Unit 7 Memory
Sorry， I've______（forget）when your birthday is． Could you tell me？
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八年级·英语·填空题Unit 7 Memory
As soon as I got to my hometown， many happy memories______（pour）out of my mind．
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七年级上·英语·翻译Unit 3 The Earth
根据所给汉语完成句子，每空一词（1）帮助他人是很重要的。 help others.（2）不要忘记把你的垃圾丢掉。Don't forget to your rubbish.（3）我把杂志放入抽屉里。 I the magazine the drawer.（4）你们上个星期天在公园玩得高兴吗？Did you in the park last Sunday?（5）我们通常7点起床。We usually at 7 o'clock.（6）在我们的城
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七年级上·英语·阅读理解Unit 3 The Earth
根据短文内容，选择正确答案。 Peter was a small boy. He lived with his parents in a small house near some hills. The people there were all poor. One night it was very dry and windy. When everybody was asleep, Peter suddenly heard some
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七年级上·英语·阅读理解Unit 3 The Earth
根据短文内容，选择正确答案。D The students are having their chemistry (化学) class. Miss Liu is telling the children what water is like. After that, she asks her students, “What's water?”No one speaks for a few minutes. Miss Liu asks ag
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七年级上·英语·阅读理解Unit 3 The Earth
阅读短文，下列问题 A Imagine the situation. You are driving alone in a desert or on a mountain. You have no idea where you are. You passed the last house two hours ago. Then your car breaks down. It is night and it is cold. You h
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七年级上·英语·阅读理解Unit 3 The Earth
根据表格内容，选择正确答案。 cooks Editors(编辑) Drivers English teachers People we need Be good at cooking; work at late night Be good at English; enjoy writing stories; know a lot about the world Be good at Driving; smart; careful Lov
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七年级上·英语·阅读理解Unit 3 The Earth
阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 In most parts of the world, many students help their schools make less pollution. They join "environment clubs". In an environment club, people work together to make our environment clean.
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七年级上·英语·阅读理解Unit 3 The Earth
根据短文内容，选择正确答案。 In most parts of the world, many students help their schools make less pollution. They join “environment clubs”. In an environment club, people work together to make our environment clean. Here are some th
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七年级上·英语·阅读理解Unit 3 The Earth
阅读理解 Air pollution is one of the most serious problems for people nowadays. But some people in the US say that they have found a way to solve the problem. In manycities, hundreds of people ride bikes instead of (代替) taki
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