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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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八年级下·英语·翻译Unit 8 Life in the future

昨天晚上九点她在做什么? she at nine o'clock last night?

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八年级下·英语·句型转换Unit 8 Life in the future

She was not staying at home at ten last Saturday. (改为肯定句) at ten last Saturday.

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八年级下·英语·句型转换Unit 8 Life in the future

We were singing in the park at nine o'clock last Sunday. (改为一般疑问句,并作否定回答) — in the park at nine o'clock last Sunday?—No, .

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八年级下·英语·句型转换Unit 8 Life in the future

We can connect the keyboard to the computer. (改为被动语态) The keyboard can to the computer.

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八年级下·英语·句型转换Unit 8 Life in the future

I was doing my homework at 7 p. m. yesterday. (改为否定句) I my homework at 7 p. m. yesterday.

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九年级·英语·书面表达Unit 10 Get Ready for the Future

请仔细观察下面的图片,并根据所给提示和要求写一篇短文。 提示: (1)What does the picture mainly talk about? (2)What's your advice? 要求: (1) 短文须包括所有提示内容,可适当发挥。 (2) 短文中不得出现真实的人名、校名和地名。 (3) 词数 80 个左右。 ( 开头已经给出,不计入总词数 ) I can see a lonely girl in the pictur

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九年级·英语·任务型阅读Unit 10 Get Ready for the Future

No one has the right to judge you.People may have heard your stories, but they can't feel what you are going through.So forget what they say about you .Focus on how you feel about yourself, and do what you know in your h

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八年级·英语·填空题Unit 7 The unknown world

I can do it______( well ) if you give a chance.

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八年级·英语·填空题Unit 7 The unknown world

Don't make any______( noisy ). Dad is sleeping.

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八年级·英语·填空题Unit 7 The unknown world

The girl______( stand ) next to the door is my sister.

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八年级·英语·填空题Unit 7 The unknown world

What do you know about this______( know ) plant?

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八年级·英语·填空题Unit 7 The unknown world

Kate asked him to eat some pizza, but he refused______( eat ) it.

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八年级·英语·填空题Unit 7 The unknown world

I feel______( terrible )sorry because I hurt you.

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八年级·英语·完成句子Unit 7 The unknown world

Please keep______ (quiet/quietly)in the library.

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八年级·英语·补全对话Unit 7 The unknown world

A.We went for a drive. B.How about your day off? C.It rained all the time. D.I took photos with him and I got his autograph. E.What happened? F.What can I do for you? G.Is it a good chance? A: How was your day off, Tina?

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七年级·英语·句子翻译Unit 2 I'd like some noodles.

世界各地的生日食品可能不同,但想法却是一样的. Birthday foods around the world may______,______the ideas______the same.

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七年级·英语·句子翻译Unit 2 I'd like some noodles.

这种面条里面有胡萝卜吗? ______any carrots in this kind of noodles?

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七年级·英语·句子翻译Unit 2 I'd like some noodles.

你想要西红柿鸡蛋汤还是牛肉汤? Would you______tomato and egg soup______beef soup?

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七年级·英语·句子翻译Unit 2 I'd like some noodles.

我想要一大碗粥. I'd______a large______porridge.

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七年级·英语·任务型阅读-多任务混合Unit 2 I'd like some noodles.

Do you know McDonald's?It is a large fast food restaurant. Would you like to eat the best(最好的)hamburgers and other specials?McDonald's is a good place to enjoy them. In McDonald's,there are many kinds of hamburgers,like

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