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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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八年级·英语·填空题其他类阅读
As teenagers,maybe most of us do not enjoy doing housework.We hate to do it because it is not as interesting as other activities.We often think it is parents\’ duty to take care of the whole family.But I think it\’s our
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八年级·英语·选择题文学作品类阅读
He is more interested in English than his brother.（ ）
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八年级·英语·填空题文学作品类阅读
Alice was very excited.One of her favorite writers had just published（出版）a new book.She saved her money,and she was ready to buy the book this weekend.She talked about the book with her online chat group （聊天群）.A lot of t
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八年级·英语·选择题主谓一致
Here the results the student activity survey．（ ）
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八年级·英语·填空题逸闻趣事类阅读
What is your favorite cartoon?Here are four famous cartoons.Let\’s have a look. Ma Liang is a poor boy and he really loves painting.He always uses his magic brush to fight against the bad people in the village.The cartoo
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八年级·英语·填空题语态的辨析
We play s ______every day.
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八年级·英语·选择题语态的辨析
—How many students are there in your class? —Forty.It is 18 girls and 22 boys.（ ）
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八年级·英语·填空题历史文化类阅读
Congratulations,Jonathan! When Jonathan,the giant tortoise （巨型陆龟） was born,Queen Victoria was just a teenager.The ruler of the United Kingdom died more than 120 years ago at the age of 81,while Jonathan is still moving a
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八年级·英语·选择题一般将来时的被动语态
-These plans are all nice．I haven\’t decided which one to choose． -It\’s OK．You ______ plenty of time to decide．（ ）
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八年级·英语·选择题定语从句
—Jeff never has cool clothes.What do you think? —You can\’t judge a book by its cover,as the old goes.（ ）
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八年级·英语·选择题不定式
—How about ________ fishing this Sunday? —Great!I\’d like ________ with you.（ ）
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八年级·英语·选择题不定式
--Why don\’t you go out to play,Brian? --I\’m afraid I can\’t.I have much homework .（ ）
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八年级·英语·选择题不定式
Please tell him_______ in the snow.It\’s cold.（ ）
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八年级·英语·填空题常用日常交际用语
— ______? —It\’s sunny.
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八年级·英语·选择题一般疑问句
— is it from the hotel to Wanshi Botanical Garden? —It\’s about 30 minutes\’ by subway.You can take Line One.（ ）
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八年级·英语·填空题一般疑问句
A:What are you going to be when you grow up? B: ______.
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八年级·英语·填空题补全对话
What do you usually do on the Internet? Mike,a student I\’m always busy from Monday to Friday.I only use the Internet on weekends.I often play computer games and chat （聊天） with my friends online. Linda, an office lady I
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八年级·英语·填空题选择疑问句
Jack was playing computer games.At the same time,Jane was listening to music.（同义句） ______.
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八年级·英语·填空题反意疑问句
He has four lessons in the morning every day．（改为否定句） He______ four lessons in the morning every day．
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八年级·英语·填空题反意疑问句
This Maths problem is so difficult.Let\’s ______（讨论） it with Mr Li.
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