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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·选择题Unit 6 Different places
I ____________into a new flat in the city center. Now I needn't get up very early to catch the bus.
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九年级·英语·选择题Unit 6 Healthy diet
- Having a trip every year is very usual for many people in our country. -Yes. People now pay much attention to the quality （质量） of their life.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
-Why will you eat in that restaurant？ -Because it serves traditional Chinese food. We like it very much.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- How long do you work every day？ -___________， we work for eight hours a day.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- Every summer, many girls try to ___________ in order to wear beautiful clothes. -Yes. It seems that being thin is the most important thing for them in summer.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- I think it's ___________ for Chinese students to learn English. -I agree with you. English is important. （ ）
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九年级·英语·选择题Unit 6 Healthy diet
To ___________ something means to formally （正式地） write or say it, especially in a careful and clear way.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
A ___________ is a report in the media in which someone gives his opinion of something such as a new book or film.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- How will you use the money you made by doing part-time jobs？ - I will use it to treat myself to some interesting books.（ ）
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八年级·英语·选择题Unit 3 Trouble!
I happened _____my former English teacher last Saturday.（ ）
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八年级·英语·填空题Unit 3 Trouble!
Early one morning, an old woman was carrying a big basket of cabbages on her head to the market. She hoped to sell them to people from town. The mountain road was (1) and the old woman was walking carefully because she d
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八年级·英语·句型转换Unit 3 Trouble!
My dad said quietly to one of the women,"What's going on？"（保持原句意思不变） My dad said quietly to one of the women, "______？"
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八年级·英语·句型转换Unit 3 Trouble!
The farmers stopped working when it rained hard. （保持原句意思不变） The farmers______ stop working______ it rained hard.
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八年级·英语·句型转换Unit 3 Trouble!
He picked up his bag and hurried off. （保持原句意思不变） He picked up his bag and______ in a______.
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八年级·英语·句型转换Unit 3 Trouble!
Mr. Johnson spent two hours cooking the meal. （保持原句意思不变） It______ Mr. Johnson two hours______ cook the meal.
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八年级·英语·句型转换Unit 3 Trouble!
The crowd stared at the three people. （改为一般疑问句） ______？
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八年级·英语·句型转换Unit 3 Trouble!
Paul's dad picked up the phone and dialed 110. （对划线部分提问） ______？
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七年级·英语·填空题Unit 5 Choosing a new flat
Peter Brown and his wife, Amy, live in a house on Grand Street. Amy is very happy. She likes their house. She likes the neighbourhood, too. The neighbours are nice people. There is a hospital around the corner from Peter
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七年级·英语·填空题Unit 5 Choosing a new flat
Buy your dream flat in Sun City! Enjoy view of the Century Park. ______ your flat from Block A to Block F. Each block has 16 floors. The flats are of many _______ types: the biggest flat is 200 square metres. There are f
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七年级·英语·阅读理解Unit 5 Choosing a new flat
The Taj Mahal in India is one of the seven wonders in the world. It is also one of the most beautiful buildings in the world. Over three hundred years ago, the king called Shan Jehan built the Taj Mahal as a tomb for his
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