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#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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九年级·英语·阅读理解Unit 5 A story by MarkTwain

Choose the best answers(选择最恰当的答案) Twenty-first century humanity has mapped oceans and mountains,visited the moon,and surveyed the planets.But for all the progress,people still don't know one another very well. That bring

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九年级·英语·单词拼写/单词释义Unit 5 A story by MarkTwain

She is ______ ______ moving to Shanghai. (考虑)

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九年级·英语·单词拼写/单词释义Unit 5 A story by MarkTwain

She said she needed more time to ______ it ______ .(仔细考虑)

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九年级·英语·单词拼写/单词释义Unit 5 A story by MarkTwain

Mr.Green came into the room.He held a cup of tea in his hand.(合并为一句) Mr.Green ______ the room ______ a cup of tea in his hand.

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九年级·英语·单词拼写/单词释义Unit 5 A story by MarkTwain

A clever lawyer should be able to ______ the prisoner ______ admitting crime.(诱使....做)

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九年级·英语·句型转换Unit 5 A story by MarkTwain

It's wrong to make fun of disabled people. (保持句意不变) It's wrong to ______ ______ disabled people.

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九年级·英语·填空题Unit 5 A story by MarkTwain

He looked at me ______ and asked for my passport and other ID papers.(worry)

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九年级·英语·阅读理解Unit 4 All about films and TV

A Japanese toy maker declares that they have developed a gadget that translates dog barks into human language and plans to begin selling the gadget-under the name of Bowlingual-in U.S.pet stores and gift shops this summe

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九年级·英语·阅读理解Unit 4 All about films and TV

Even at school there had been an unhealthy competition between George and Richard. I'll be the first millionaire in Coleford!" Richard used to say. "And you'll be sorry you knew me," George would reply, " because I'll be

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九年级·英语·单词造句Unit 4 All about films and TV

all,his,a,the,keeps,good,time,person,promise (连词成句) ______

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九年级·英语·句型转换Unit 4 All about films and TV

Finally,they succeeded in finding a perfect place for the party. (保持句意不变) Finally,they ______ ______ find a perfect place for the party.

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九年级·英语·句型转换Unit 4 All about films and TV

Learning to make plans is a very important skill for young people. (改为反意疑问句) Learning to make plans is a very important skill for young people, ______ ______ ?

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九年级·英语·句型转换Unit 4 All about films and TV

He will be late if he doesn't hurry up. (保持句意不变) He will be late ______ he ______ up.

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九年级·英语·句型转换Unit 4 All about films and TV

Mum asked, "What has happened to you,Lily?" (改为间接引语) Mum asked Lily ______ ______ ______ to ______ .

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九年级·英语·填空题Unit 4 All about films and TV

He preferred to be an actor rather than be a ______ . (direct)

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九年级·英语·填空题Unit 3 Going places

Read the passage and fill in the blanks with proper words ( 在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给): As most kids were spending their spring break playing, Ashima Shiraishi was busy breaking some world records. The 13-year-o

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九年级·英语·填空题Unit 3 Going places

Choose the words or expressions and complete the passage (选择最恰当的单词或词组完成短文) What do you think of a forest, what do you see? Just trees? Or do you see many other things, such as singing birds, colourful plants and wild flo

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九年级·英语·阅读理解Unit 3 Going places

Choose the best answer(根据短文内容,选择最恰当的答案) In the 1920s, scientists found a collection of bones near Beijing,China. They believed that the bones were human and that they were about 500,000 years old. They also believed the

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九年级·英语·句型转换Unit 3 Going places

Rewrite the following sentenced as required (根据所给要求,改写下列句子。每空格限填一词) 【 1 】 There was a nice atmosphere. (改为一般疑问句) ________ ________ a nice atmosphere? 【 2 】 Lucy bought a new computer last week. (改为反意疑问句) Lucy bought a ne

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九年级·英语·填空题Unit 3 Going places

Complete the sentenced 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】San Francisco is full of ________ in summer.(tour) 【2】Detective novels used to hold a special ________ for me.(attract) 【3】The ___

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