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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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七年级·英语·阅读理解Unit 5 Choosing a new flat
For Sale Only US＄95,000 ＊Park House一Built in 2009 ＊3 bedrooms, 1 bathroom, 1 living-room, 1 kitchen ＊A big garden, a small swimming pool ＊8 minutes to Shanghai American School ＊10 kilometers from the city centre For furt
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七年级·英语·句型转换Unit 5 Choosing a new flat
Rewrite the following sentences as required （根据所给要求 , 改写下列句子）： 【 1 】 I'd like to watch TV this evening. （改为一般疑问句） _________ you __________ to watch TV this evening? 【 2 】 They have moved to a new flat. It has a big balco
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七年级·英语·填空题Unit 5 Choosing a new flat
Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子）： 【1】He is the leader of the team. His____________ often help him a lot. (help) 【2】There are a lot of estate__________ on this road. (
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七年级·英语·选择题Unit 5 Choosing a new flat
-Mr. Guo, I think the answer is "ten". Is that right or wrong?
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七年级·英语·选择题Unit 5 Choosing a new flat
-_________________. - I have a bad headache.
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七年级·英语·单词拼写/单词释义Unit 4 Jobs people do
Peter-I study at an i (1) language school during my study in Australia． My classmates come from d (2) countries． Brazil， France， South Korean， J (3) and even India． You know what ？ There is a 60-year-old lady in my readi
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七年级·英语·填空题Unit 4 Jobs people do
There are many books for young readers． Some of these are for youths 12 to 18． Others are for children under 12． There are even some books for babies． And they can't even (1) ! People who write for youths write all kinds
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七年级·英语·阅读理解Unit 4 Jobs people do
Wild animals Many of us think that all animals are dangerous． In fact， very few of them will eat a man if he leaves them alone． If you meet a tiger， I'm sure you will run away， but even a tiger doesn't like meeting a man
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七年级·英语·单词造句Unit 4 Jobs people do
saw， street， I， cleaners， the， cleaning， some， streets （连词成句） ______．
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七年级·英语·句型转换Unit 4 Jobs people do
My father is an architect． （保持句子意思） My father's job is to____________of buidings．
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七年级·英语·句型转换Unit 4 Jobs people do
Last week she looked after her grandmother． （保持句子意思） Last week she____________of her grandmother．
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七年级·英语·句型转换Unit 4 Jobs people do
The girl watches TV in the evening． （改为否定句） The girl____________TV in the evening．
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七年级·英语·句型转换Unit 4 Jobs people do
He bought a new bike yesterday． （改为一般疑问句） ______ he______ a new bike yesterday？
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七年级·英语·填空题Unit 11 My food project
We Chinese all like eating rice, and many people from other counties like eating rice, too. In China, fried rice is very p 【 1 】 . If you eat J 【 2 】 food, don't miss sushi. It's very delicious food. Indonesians have a s
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七年级·英语·填空题Unit 11 My food project
Henry is a little fatter than he _____to be. He wants to lose some weight. He tries not to eat too _____ and he eats very little sugar because it will _______ him fat. He is also taking some exercise every day. Now he is
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七年级·英语·阅读理解Unit 11 My food project
An old porter worked at the railway station for a long time. One morning he was standing and waiting for travelers to ask him to help them with their luggage（包裹）, when he saw a short man running towards -the train with a
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七年级·英语·阅读理解Unit 11 My food project
Mr. Howe worked in an office. He studied（研究）the old things and sometimes bought some for himself. So he got a lot of money. Eight years ago, when he was sixty-five, he retired （退休）. He needn't worry about food or clothes
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