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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Unit 1 Encyclopaedias
We should try our best to keep our classroom ________ every day.
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七年级·英语·填空题Unit 6 Different places
In most parts of the world there are four seasons. In different seasons people w 【 1 】 different clothes and do different things. For example, in summer the weather is hot, so people usually wear cool clothes and do thin
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七年级·英语·填空题Unit 6 Different places
The earth is our home. We must take care of it. This means keeping the land, air and water _______. Pollution is a "dirty" word. To pollute means to make things unclean to use. Pollution comes _______ many ways, we see i
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七年级·英语·阅读理解Unit 6 Different places
Life is exciting in the city. However, many people living in the city often feel tired of （厌倦）city life. I have the same feeling, too. I hope to live in the countryside, but the people living in the countryside may feel
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七年级·英语·阅读理解Unit 6 Different places
Jean Herman lives in an apartment in New York City. Jean's apartment is small, but she likes it. The apartment is cheap; Jean pays only＄200 a month. Jean's apartment was in an old building. One day a big company bought t
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七年级·英语·句型转换Unit 6 Different places
Rewrite the following sentences as required （根据所给要求 , 改写下列句子） 【 1 】 Kitty has just moved into a new flat. （改为否定句） Kitty ____________ moved into a new flat ____________ . 【 2 】 Ben usually went to the restaurant when he l
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七年级·英语·填空题Unit 6 Different places
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】I moved into a _____________ flat. I like it very much. (please) 【2】It's ___________ in the classroom. Don't talk loudly. (noise)
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七年级·英语·选择题Unit 6 Different places
Look, there is a map ___________ China on the wall.
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七年级·英语·选择题Unit 6 Different places
I ____________into a new flat in the city center. Now I needn't get up very early to catch the bus.
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九年级·英语·选择题Unit 6 Healthy diet
- Having a trip every year is very usual for many people in our country. -Yes. People now pay much attention to the quality （质量） of their life.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
-Why will you eat in that restaurant？ -Because it serves traditional Chinese food. We like it very much.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- How long do you work every day？ -___________， we work for eight hours a day.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- Every summer, many girls try to ___________ in order to wear beautiful clothes. -Yes. It seems that being thin is the most important thing for them in summer.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- I think it's ___________ for Chinese students to learn English. -I agree with you. English is important. （ ）
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九年级·英语·选择题Unit 6 Healthy diet
To ___________ something means to formally （正式地） write or say it, especially in a careful and clear way.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
A ___________ is a report in the media in which someone gives his opinion of something such as a new book or film.（ ）
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九年级·英语·选择题Unit 6 Healthy diet
- How will you use the money you made by doing part-time jobs？ - I will use it to treat myself to some interesting books.（ ）
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八年级·英语·选择题Unit 3 Trouble!
I happened _____my former English teacher last Saturday.（ ）
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八年级·英语·填空题Unit 3 Trouble!
Early one morning, an old woman was carrying a big basket of cabbages on her head to the market. She hoped to sell them to people from town. The mountain road was (1) and the old woman was walking carefully because she d
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八年级·英语·句型转换Unit 3 Trouble!
My dad said quietly to one of the women,"What's going on？"（保持原句意思不变） My dad said quietly to one of the women, "______？"
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