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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·选择题条件状语从句

My parents are always worried about what will happen if I .

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九年级·英语·书面表达牛津译林版》九年级上册》Module 1 Getting along with others》Unit 3 Teenage problems###外研版》九年级上册》Module 6 Problems》 Unit 2 If you tell him the truth now,you will show that you are honest.###

青少年是祖国的未来。在创建全国文明城市的过程中,你市举办了“美德少年”评选活动。请根据以下提示,以“ Be a Virtue Teenager ”为题,用英语写一篇倡议书,号召大家积极争做“美德少年”。 要点: 1. 在学校:努力学习知识,养成良好的学习习惯,爱运动; 2. 在家里:经常与家人交流,感恩父母,分担家务,知错就改; 3. 在社会:遵守规则,在公共场合不要大声喧哗,注意安全; 4. 发表你的观点。 要求: 1. 文中不得出现

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九年级·英语·改错仁爱版》九年级上册》Unit 1 The Changing World》1. Our country has developed rapidly.###仁爱版》九年级下册》Unit 6 Entertainment and Friendship》3. I will remember our friendship forever.###外研版》九年级上册》Module 2 Public holidays》 Unit 2 We have celebr

第二节 短文改错 假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有 5 处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。 增加:在缺词处加一个漏字符号( ^ ),并在其下面写出该加的词。 删除:把多余的词用斜线( \ )划掉。 修改:在错的词下画一横线,并在该词下面写出修改后的词。 注意: 1. 每处错误及其修改均仅限 -- 词; 2. 只允许修改 5 处,多者(从第 6 处起)不计

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九年级·英语·填空题初中英语知识点》词汇》短语》S》stick to###牛津译林版》九年级上册》Module 2 Entertainment》Unit 7 Films###仁爱版》九年级上册》Unit 2 Saving the Earth》2. All these problems are very serious.###外研版》九年级上册》Module 4 Home alone》 Unit 3 Language in use###

Although his parents didn't want him to work abroad, Li Yang ____________ ( stick ) to his own decision.

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九年级·英语·其他初中英语知识点》词汇》单词》A》afford###初中英语知识点》词汇》短语》C》can (not) afford to do sth.###

We can't ____________ (承担得起) to wait any longer to take action in order to improve our environment.

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九年级·英语·单词拼写初中英语知识点》副词》副词的种类》频度副词###初中英语知识点》词汇》单词》S》seldom###外研版》九年级下册》Module 3 Life now and then》Unit 1 They sometimes work harder.###

Miss Zhou often stays up late. She s ____________ goes to bed before 11 p.m.

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九年级·英语·填空题初中英语知识点》词汇》短语》F》fall asleep###牛津译林版》九年级上册》Module 1 Getting along with others》Unit 4 Growing up###牛津译林版》九年级下册》Module 2 The future》Unit 4 Life on Mars###外研版》九年级上册》Module 2 Public holidays》 Unit 3 Language in use###人教新目标Go For

Jack finally ____________ ( fall ) asleep when the wind was dying down at midnight.

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九年级·英语·单词拼写初中英语知识点》词汇》单词》W》whether###初中英语知识点》词汇》短语》W》whether…or###

W ____________ you like India food, Western food or Japanese food, you'll find it all in Singapore!

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九年级·英语·其他初中英语知识点》词汇》单词》C》choose(chose chosen)###冀教版》九年级全册》Unit 2 Great People###牛津译林版》九年级下册》Module 1 Culturs around the world》Unit 2 Great people###仁爱版》九年级上册》Unit 1 The Changing World》1. Our country has developed rapidly.###人教新目标Go Fo

The summer vacation is coming. Have you ____________ (选择) a date for your travelling?

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九年级·英语·填空题初中英语知识点》词汇》单词》W》warmth###外研版》九年级上册》Module 12 Save our world》 Unit 3 Language in use###

We should treat everyone with kindness and ____________ ( warm ) , spreading love and joy everywhere we go.

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九年级·英语·单词拼写初中英语知识点》词汇》单词》J》journey###

Learning is a lifelong j ____________ because every day brings something new.

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九年级·英语·其他初中英语知识点》词汇》单词》S》scientific###初中英语知识点》形容词》形容词的用法》形容词作定语###

So far, no ____________ (科学的) studies have shown that shark fins are good for our health.

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九年级·英语·填空题初中英语知识点》词汇》单词》A》activity###初中英语知识点》名词》名词作定语###

Doing outdoor ____________ ( activity ) can help students improve their abilities and skills.

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九年级·英语·填空题仁爱版》九年级上册》Unit 1 The Changing World》1. Our country has developed rapidly.###仁爱版》九年级下册》Unit 6 Entertainment and Friendship》3. I will remember our friendship forever.###外研版》九年级上册》Module 2 Public holidays》 Unit 2 We have celebr

阅读下面短文,在空白处填入适当的内容( 1 个单词)或括号内单词的正确形式(不超过 3 个单词)。 For many people around the world, the third Sunday in June is a day to respect their fathers. It is Father's Day and 【 1 】 ( celebrate ) Father's important role in the fa

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九年级·英语·填空题人教新目标Go For It!》九年级全册》综合复习与测试###

Last Sunday, Mark invited me to help serve dinner at Tent City. A number of _________ had been set up for the homeless in the area. My husband was not available to _________ our two sons, so I took 9-year-old Tony and 5-

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九年级·英语·阅读理解-

Scientists around the world are racing to create and test vaccines (疫苗) to help protect people against the novel coronavirus (新冠病毒) . They are making progress, but it will be quite a while before any vaccines are ready.

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九年级·英语·阅读理解仁爱版》九年级上册》Unit 2 Saving the Earth》3. What can we do at home to protect the environment?###外研版》九年级上册》Module 12 Save our world》 Unit 2 Repeat these three words daily:reduce, reuse and recycle.###教科版(五四学制)》八年级上册》Unit 11 Reduce,

Do you know about Psephurus gladius? It's a Chinese paddlefish known as "king of all national freshwater fish". However, it is announced that the Chinese paddlefish living in the Yangtze River has become extinct (灭绝的) .

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九年级·英语·阅读理解牛津译林版》九年级上册》Module 2 Entertainment》Unit 7 Films###仁爱版》九年级下册》Unit 6 Entertainment and Friendship》1. I would rather watch sports shows than those ones.###人教新目标Go For It!》九年级全册》Unit 9 I like music that I can dance to.》Section B#

In 1981, the Chinese women's volleyball team first stood on the top at the World Cup. And in 2019, it defended (保住) its World Cup crown with a record of 11 wins. The women's volleyball team has been the pride of the Chin

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九年级·英语·阅读理解-

To improve children's fitness, Freestyle360 has introduced some fun fitness classes for children between nine and thirteen years old. We want to encourage children to turn energy into sports and have social fun in a cari

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九年级·英语·选择题动词辨析

—How much is your coat? —Oh, it me 100 yuan.

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