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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·英语·单词拼写/单词释义Lesson 13 Helping Your Community

我相信你会喜欢这件礼物。 I believe______this gift.

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八年级·英语·单词拼写/单词释义Lesson 13 Helping Your Community

这部电影似乎比我原本想象的更有趣。 ______ that the movie is______interesting than I thought.

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八年级·英语·单词拼写/单词释义Lesson 13 Helping Your Community

我喜欢参加志愿者活动。 I enjoy______in volunteer work.

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八年级·英语·选择题Lesson 13 Helping Your Community

---Jack, can I use your computer? ---Sure. .( )

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七年级·英语·补全对话Topic 3 What time is it now?

补全对话。(每空一词) A: Hello, Jim. What 【 1 】 do you usually go to school 【 2 】 the morning? B: I go to school 【 3 】 7:00 every 【 4 】 . What about you? A: Well, I go to school at half 【 5 】 six. B: Oh. do you 【 6 】 breakfast at

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七年级·英语·句型转换Topic 3 What time is it now?

句型转换 【 1 】 What subject do you like best? ( 改为同义句) What is your _______________ subject? 【 2 】 It's already ( 已经) ten thirty now, and I want to go home.( 改为同义句) It is already ___________ _____________ _________ now, and

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七年级·英语·单词拼写Topic 3 What time is it now?

根据句意及首字母提示,补全单词。 【1】He is a c_________________ boy, his English is very good. 【2】— What are your favorite a________________? — Monkeys. They are very cute. 【3】— What time is it now? — It’s a q __________ past eight. 【4】C

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七年级·英语·补全对话Topic 3 What time is it now?

从方框中选择适当的句子补全对话。其中有两项是多余的。 A: Excuse me, Wang Shan. 【 1 】 B: Sorry, I don’t know. 【 2 】 Please go and ask Ted. A: Excuse me. What time is it, please? C: It’s about 3:30 p.m. A: Thank you, Ted. C: 【 3 】 Look, under the de

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七年级·英语·选择题Topic 3 What time is it now?

It’s very _________ of you _________ help me with English.

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七年级·英语·选择题Topic 3 What time is it now?

— _________ are your favorite animals? — Tigers.

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七年级·英语·选择题Topic 3 What time is it now?

5:15 in English is _________.

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七年级·英语·选择题Topic 3 What time is it now?

— It’s Sunday tomorrow. Why not go to the zoo? — That _________ great.

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九年级·英语·填空题Unit 2 We have celebrated the festival since the first pioneers arrived in America

Every year,we celebrate Teachers" Day in honor of the teachers who spend so much time teaching us so many things.It is on the (1) (第十)day of September. This year,we had half a day (2) (不上课).It started with a school meeti

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九年级·英语·补全对话Unit 2 We have celebrated the festival since the first pioneers arrived in America

补全对话 A: 【 1 】 What did you do today? B: We planted trees just now. A: Oh, I’ve remembered. 【 2 】 Where did you work? B: At the foot of the hill. A: Which hill? B: The one on the other side of the river. A: How did you ge

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九年级·英语·选择题Unit 2 We have celebrated the festival since the first pioneers arrived in America

We usually watch the basketball game ______ TV and enjoy ______ very much.

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九年级·英语·选择题Unit 2 We have celebrated the festival since the first pioneers arrived in America

The kitchen is always ______ room in our house because we all help ______ the food.

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九年级·英语·选择题Unit 2 We have celebrated the festival since the first pioneers arrived in America

—When did you ______ in America? —Twenty minutes ago.

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九年级·英语·选择题Unit 2 We have celebrated the festival since the first pioneers arrived in America

We have lived in Beijing ______ we came to China in 1989.

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九年级·英语·选择题Unit 2 We have celebrated the festival since the first pioneers arrived in America

The problem is ______ difficult. You needn’t spend ______ time on it.

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九年级·英语·填空题Unit 2 We have celebrated the festival since the first pioneers arrived in America

用所给单词的适当形式填空 【1】Thanksgiving Day ______ (celebrate) on the fourth Thursday in November. 【2】We should give thanks to the people for ______ (help) us. 【3】The ______ (one) pioneers from England arrived in America by ship in

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