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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 8 A more enjoyable school life
I'd like to hear your______ （suggest） for ways of keeping healthy．
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七年级·英语·填空题Unit 8 A more enjoyable school life
I helped him move some______ （shelf） in his bedroom．
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七年级·英语·填空题Unit 7 In the future
My stutter （口吃） had always been much of a problem.I'd had so many specialists for my speech over the years.As I walked down the hallway to meet a new one,memories popped in my head of how painful being a kid who stutters
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七年级·英语·单词造句Unit 7 In the future
enough,to,it,enough,do,have,time,do,well,you（连词成句） ______
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七年级·英语·句型转换Unit 7 In the future
Perhaps the man in blue is a worker.（改写句子，意思不变） The man in blue______a worker.
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七年级·英语·句型转换Unit 7 In the future
Tom managed to save the old lady from the burning house.（改写句子，意思不变） ______
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七年级·英语·句型转换Unit 7 In the future
Technologies can be part of everyday education in the future.（为一般疑问句） ______
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七年级·英语·句型转换Unit 7 In the future
The Palace Museum looks magnificent .（用what对划线部分提问） ______
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七年级·英语·单词拼写/单词释义Unit 7 In the future
I______to speak English at that time.（想这女孩不会）
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七年级·英语·单词拼写/单词释义Unit 7 In the future
They're______.（谈论他们的希望）
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七年级·英语·书面表达Unit 6 Hard work for a better life
Write at least 60words about the topic "My Favourite Season"． Suggestions （1）Which season do you like best Why （2）What do you often do in it My Favourite Season
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七年级·英语·填空题Unit 6 Hard work for a better life
When I was young， I studied at a boy school． We were all （1）b______ thirteen and eighteen． Our headmaster was an old man． He was kind， but all of us were （2）a______ of him． For example， we were playing， （3）t______ and la
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七年级·英语·填空题Unit 6 Hard work for a better life
It was a very hot day in the middle of summer， and there were (1) trees along the street． Mr． Brown closed his shop and went out into the street． He was very (2) ． The sun shone straight down the street， and a few minute
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七年级·英语·任务型阅读-多任务混合Unit 6 Hard work for a better life
One day a poor farmer was taking a bag of rice to town． Suddenly the bag fell from his horse on the road． He didn't know how to do about it because it was too heavy for him to lift it by himself． He only hoped that someb
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七年级·英语·阅读理解Unit 6 Hard work for a better life
Mr．Smith was in trouble those days．He drove a car for Mr．Black，a rich businessman．He worked hard and the shopkeeper liked him．But he couldn't work when he drank too much．Once he almost fell into the river when he drove a
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七年级·英语·任务型阅读-多任务混合Unit 6 Hard work for a better life
One fine Sunday afternoon we went for a walk along the river bank． Several families were having picnics in the shade of the trees． George looked at them with great interest． "What a good idea!" he said， "I wish we had br
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七年级·英语·句型转换Unit 6 Hard work for a better life
My father is busy these days． My mother is busy these days， too． （合并为一句） ____________ my parents are busy these days．
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七年级·英语·句型转换Unit 6 Hard work for a better life
Let's go for a picnic this weekend． （改为同义句） ____________ go for a picnic this weekend
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七年级·英语·选择题Unit 5 What can we learn from others?
Tom， you should know how to get on well with _____．（ ）
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七年级·英语·选择题Unit 5 What can we learn from others?
Mr．Turner bought two bikes． One was for his wife， and ____was for his son．（ ）
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