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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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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Hundreds of years ago, a Roman army came north from England to make war on Scotland. The Scots, a brave people, loved their country very much. They fought hard to drive the enemy out of Scotland, but there were too
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Today there are policemen everywhere, but in 1700, London had no policemen at all. A few old men used to protect the city streets at night and they were not paid. About 300 years ago, London was starting to get bigg
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Take a look at our library! Our library is open to everyone and the library card is free. Book * Picture books for children * Information about the world * Books in 36 languages * All kinds of stories * Novels You c
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Long ago, there lived in Greece a learned man. He was so well-known for his good knowledge of almost everything that lots of people from all over the country came to learn from him. The great man taught his students
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 A well—known poem by the Tang Dynasty's poet Du Mu tells a sad scene in early April, Rain falls heavily as Qingming comes, and passersby with low spirits go." This scene takes place on Tomb Sweeping Day, also known
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Calabash brothers(葫芦娃兄弟) live in the Calabash Mountain with their grandfather. They are all very brave. They wear different clothes. The red calabash is the other six brothers 'elder brother. He is powerful. His bod
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八年级上·英语·阅读理解Unit 6 Ancient stories
阅读理解 Once upon a time, there lived an old man. He had three sons. One day, he called them together and said, "Sons, I will die soon. To my eldest son give half my camels, to my second, one third(三分之ー), and to my youngest
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八年级上·英语·填空题Unit 5 Educational exchanges
完形填空 One day before my final exam, my dad gave me a gift. It completely changed my life. On that day I had a （1） with my friends and it was a difficult time with my studies. I was unhappy. Then I noticed the gift. I （2）
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八年级上·英语·填空题Unit 5 Educational exchanges
阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 September is the time for students to go back to school! For Chinese students, most schools start on the same day. We will share summer stories with the same classmates （1） the fi
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八年级上·英语·翻译Unit 5 Educational exchanges
参加教育交流是一次极好的体验。 a fantastic experience an educational exchange.
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八年级上·英语·翻译Unit 5 Educational exchanges
很多年轻人已经申请了工作。 Many young people jobs.
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八年级上·英语·填空题Unit 5 Educational exchanges
I (not hear) from my brother for several months.
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八年级上·英语·填空题Unit 5 Educational exchanges
They taught us students how (use) the computer.
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八年级上·英语·填空题Unit 5 Educational exchanges
根据句子意思，用所给单词的适当形式填空。未提供单词的根据上下文填入适当的词。 A river ran down from a mountain through many villages and forests. Then it (arrive) at a desert. "I went through so many (problem). I should have no trouble crossing the desert, sh
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八年级上·英语·填空题Unit 5 Educational exchanges
The people in the mountains never (see) films.
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八年级·英语·句子翻译Unit 4 Inventions
你不是我喜欢的类型． ______
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八年级·英语·句子翻译Unit 4 Inventions
万事都有利有弊．我们应该恰当利用电脑． ______
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八年级·英语·句子翻译Unit 4 Inventions
在纸的帮助下，分享信息变得容易多了． ______
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八年级·英语·句子翻译Unit 4 Inventions
随着科技technology的发展，人们有很多方式保持联系． ______
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八年级·英语·句子翻译Unit 4 Inventions
如果你需要帮助，随时随地打电话给我． ______
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