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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·填空题图表作文

英语写作能力对学生来说至关重要.某中学对九年级1200名学生进行了英语写作能力问卷调查,以下是如何练习用英语写作的调查数据. 假如你是该校的学生,请结合以上图表信息,以"I practise writing in English by_______"为主题,用两段话写一篇短文. 内容包括: (1)简要说明图表内容; (2)从图表中任选一项,结合自己的经历,谈谈你是怎样练习用英语写作的. 要求: (1)词数不少于80词,首句已给出,不计入

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九年级·英语·填空题英译汉

E-waste Electronic waste (e-waste) comes from computers,cameras,phones,fridges,TVs and so on. How much e-waste has been produced? There is too much e-waste on the earth.In the past ten years,506.5 Mt of e-waste has been

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九年级·英语·填空题英译汉

Many people dream of having a treehouse when they are children,but few try to make it themselves.However,Eli Sylvester,a 9-year-old boy from the US,makes a treehouse by himself. When Eli was six,he wanted to make a treeh

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九年级·英语·填空题翻译填空

机会就在眼前.与其放弃,我宁愿接受挑战. The chance is now upon us.I would ______.

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九年级·英语·填空题翻译填空

如果你想成为一个成功的学习者,你应该考虑以下这些问题. If you want to be a ______,you should think about the following questions.

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九年级·英语·填空题连词成句

在做决定之前,我们一定要明智地想一想. Be sure to ______ before we make a decision.

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九年级·英语·填空题日常生活类阅读

To us,it seems so natural to put up an umbrella to keep the water off when it rains.But in fact the umbrella was not invented as protection against the rain.Its first use was as a sunshade (遮阳伞). Nobody knows who first i

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九年级·英语·解答题图画作文

假设你叫李华,你的英国笔友Linda对中国文化很有兴趣,报名参加了汉语培训班参加学习.请根据下列提示给Linda写一封回信. 内容包括:1)向她介绍学习汉语的方法(至少两条); 2)简单向她介绍一个中国的传统节日,包括时间,习俗等; 3)邀请她来中国和你一起过节. 写作要求:1)语言流畅,层次清晰,内容可以适当发挥; 2)词数90-100,开头、结尾部分已给出,不计入总词数; 3)书写规范,卷面整洁; 4)文中不能出现考生姓名和学校名称

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九年级·英语·填空题英译汉

A:Excuse me.(1)______? B:Sure,just go straight ahead and then turn left at the next crossing.You ll see the bus stop. A:Thank you so much.(2)______? B:It takes about 5 minutes. A:I see.I want to go to the City Park.Which

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九年级·英语·选择题宾语从句

—Excuse me,could you tell me where I can buy some stamps? —________?I didn\’t catch you because it was too noisy.( )

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九年级·英语·选择题宾语从句

I wonder ______ China sent the last Beidou Satellite.I will find out the time on the internet.( )

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九年级·英语·选择题新闻报道类阅读

-More and more people give out "red packets" on WeChat to celebrate festivals. -That\’s true.I have just received_______ from my friend.( )

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九年级·英语·填空题人生感悟类阅读

It was a sunny afternoon.On my way home,I (1)______ a woman walking with difficulty.There was something wrong with her left leg.Some kind drivers stopped their (2)______ and let the woman cross the road first. The next d

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九年级·英语·填空题人生感悟类阅读

Do you ever get that feeling that there aren\’t enough hours in the day?But then,you step outside into the countryside and suddenly everything seems slower,more relaxed,like time has somehow changed.It\’s not just you--r

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九年级·英语·选择题宾语从句

— Mr. Zhang, could you tell me ______________ the Summer Palace? — Next Saturday.( )

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九年级·英语·选择题宾语从句

— Could you please tell me ____________? — Yes.There is one on Center Street,not far from here.( )

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九年级·英语·填空题宾语从句

Do you know when and why people celebrate the Dragon Boat Festival in China?You may always find either a (1)______ or a sad story behind a festival.The Dragon Boat Festival is celebrated (2)______ the fifth day of the fi

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九年级·英语·填空题社会文化类阅读

A:Hi,Sam.Summer holiday is coming soon.(1)______ B:Yes.I\’m planning to go to Canada on vacation. A:Sounds great! (2)______ B:For two weeks.I want to see as much as I can! A: (3)______ B:First,I\’ ll spend a few days in

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九年级·英语·填空题健康环保类阅读

阅读下面短文,在空白处填入一个恰当的词或填入括号中所给单词的正确形式. Some people have a very poor (1)______ of direction. (2)______ (lucky),I am one of them.I have visited a place many times, (3)______ I may still get lost there the next time. When I wa

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九年级·英语·填空题状语从句

International Library Books,CDs and Videos Entrance:Free Monday - Friday 9:30 a.m. - 6:00 p.m. New England House,Museum Street Painting Competition For young people 8 - 16 years old Paint a picture of an animal Send it t

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