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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·填空题状语从句
他们用一种特殊的方式改变我的生活. They use a ______ to change my life.
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七年级·英语·选择题表语从句
- Look!Your father_____now. - Yeah,and he_____for an hour yesterday.（ ）
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八年级·英语·句型转换语法
Linda . （对划线部分提问） ______ wrong ______ Linda ？
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七年级·英语·句型转换语法
I have a good time with my friends in the park every weekend. （改成同义句） I ____________with my friends in the park every weekend.
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九年级·英语·选择题语态的辨析
Smoking _____ in public places in China．（ ）
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九年级·英语·选择题语态的辨析
A lot of stories by grandma when I was young．（ ）
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九年级·英语·选择题不定式
-Do you prefer basketball with me? -No,I'd rather at home and watch TV．（ ）
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九年级·英语·填空题不定式
教师们对学生们很有耐心. The teachers are very ______ the students.
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七年级·英语·填空题不定式
I bought you this book.（写出同义句） I ______ this book ______ you.
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七年级·英语·句型转换语法
Schools will be different in the future. （改为一般疑问句） ______schools ______different in the future？
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八年级·英语·填空题阅读判断题
Raisins are grapes! Raisins are nothing but dried grapes.Do you know how to make raisins at home?Here is an easy way to make raisins at home.You can do it with your parents on a summer afternoon. What you\’ll need ※some
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七年级·英语·填空题阅读判断题
Elephants are the biggest animals that live on land.They live on grasslands and in forests of Africa and Asia.Elephants have long noses called trunks.They have big ears like fans.Their skin is gray-black.They have some s
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七年级·英语·填空题阅读判断题
Name:Alice From:Cuba Look:long hair,round face,big eyes Clothes:green dress,white shoes QQ number:3786360 Tel:6543752 Name:Brown From:England Look:short blond hair,long face,small blue eyes Clothes:yellow jacket,blue pan
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八年级·英语·选择题配对阅读
-Can you ______ what time the school food festival will start? -Let me see.Oh,at 8:00 am tomorrow.（ ）
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八年级·英语·填空题逸闻趣事类阅读
anger buy certain draw farm hang much picture print quiet run sudden Once upon a time there was a boy who liked drawing but he was too poor （1）______ a brush.One night he said to himself,"If only I had a brush,I could dr
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七年级·英语·填空题逸闻趣事类阅读
Ma Liang擅长那么多的事情,他太棒了. Ma Liang is good at __________________.He is very great.
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八年级·英语·填空题逸闻趣事类阅读
One day,a young man went to an interview for a job as a Morse code operator（摩斯电码报务员）.After knowing the address of the office on the newspaper,he went there.When he arrived,he walked into a large,bus y office filled with
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九年级·英语·选择题语态的辨析
Rice ________ by hand in many countries，such as China and India．（ ）
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九年级·英语·填空题一般现在时的被动语态
（2023·市北区模拟） 用所给词的适当形式填空。每词限用一次。 organize; disappear; raise; regard; support 【小题】 I believe our parents us no matter what happens. 【小题】 So far, we enough money for the poor sick boy. 【小题】 They a meeting between the teach
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七年级·英语·选择题一般现在时的被动语态
（2023七下·番禺期末） A lot of things ____of trees. Trees are really important in our daily lives.
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