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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·选择题情态动词

-I can\’t find my CDs．-________you put them in that bag．（）

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八年级·英语·选择题日常生活类阅读;词根词缀;其他类阅读;文中细节

I want to know you will come to my house tomorrow.（）

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八年级·英语·选择题副词;副词的词义辨析

-Can you catch what I said? -Sorry,I can understand it because you speak very quickly．（）

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八年级·英语·选择题介词短语

-______the heavy rain,we didn't go camping yesterday． -What a pity!（）

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八年级·英语·选择题副词

We don\’t have to buy this sweater,though it is_______．（）

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八年级·英语·选择题不定代词

-Is there else in the classroom? -It is empty． is listening to a speech in the school hall．（）

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八年级·英语·选择题形容词

-What do you think of the film last night? -It was ______．I enjoy it a lot．（）

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九年级·英语·填空题单词拼写;可数名词

（2023九上·开学考）What (种类) of coffee would you like?

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九年级·英语·填空题单词拼写;动词不定式

（2023九上·开学考）We want to do something to (救助) the wild animals.

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九年级·英语·填空题单词拼写;可数名词

（2023九上·开学考）It is a good (地方) for swimming.

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九年级·英语·填空题整数表达

（2019七上·全州期中）There are (四十）students in my class.

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八年级·英语·任务型阅读日常生活类；记叙文

（2022八上·开学考）任务型阅读 Our English Festival In our school, the English Festival is very important to the students and teachers. It is usually in December, before the New Year's Day. We always have an English party, and we si

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八年级·英语·阅读理解人生百味类；记叙文

阅读理解 I was traveling alone through the UK. To reach places that were off the public transportation map, I bought an old car, which cost most of my money. I couldn't afford to stay in the hotel, so I had to camp in my car

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八年级·英语·阅读理解日常生活类；记叙文

阅读理解 Dave likes swimming in a small river near his house. But then his parents go to work in a big city and Dave has to go with his family. Their new house has a garden, but the garden is very small. Dave is not very hap

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八年级·英语·填空题日常生活类；记叙文

（2022八上·开学考）完形填空 Fred is a bus driver. He always drives the No.14 bus. Fred's bus goes 16． the shopping mall on High Street to the park on Queen Street; then 17． to the shopping mall. Fred 18． work at six o'clock every

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八年级·英语·选择题副词辨析

（2019·安徽）I came to school ____ this morning because it was my turn to clean our classroom.

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八年级·英语·选择题连词辨析

（2022八上·开学考）—Did you catch the first bus to school this morning? —No, I didn't. It had started moving ____ I could get on it.

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八年级·英语·选择题一般过去时

（2018·河北）—The bread is really delicious. —Thank you, I ________ it myself.

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八年级·英语·选择题短语动词

（2022八上·开学考）—____, Jane. You have no time(时间）. —Oh, no! I can't find my hat.