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高频错题
#1 · 常错题
#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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阅读理解 The world's first "flying car" will soon appear in the market--It will be yours for just $127, 000.The Terrafugia Transition is a light sport plane with four wheels and foldable (可折叠的) wings. It can fly up through t
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完形填空 In some science fiction movies,the robots are just like humans. They help with the housework and do the most (1) jobs. Some scientists believe that there will be such robots in the future. (2) , they agree it may (3
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完形填空 Nick is a 14— year— old schoolboy. His life is full of exams and studies on weekdays. He has (1) free time. He thinks playing computer games (2) the best way to make him relax. When he has free time, he sits in fron
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完形填空 What do you think of your Chinese? Is it good or bad? If you think you are good at Chinese, you can (1) the competition named Dictation Assembly of Chinese Characters(《汉字听写大会》). The competition became popular (2) te
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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。 Nowadays, Wechat is becoming more and more (1) in China. No matter where we are, we can send text or voice messages to our friends. We can also find a stranger to talk to by shaki
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John, David and James were three brothers. Every year on their mother's birthday, they sent her expensive present. They liked to show how rich they were. The eldest brother, John, decided to give his mother a perfect pre
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Scientists say that students usually need eight to ten hours' sleep per night. But most Chinese students do not get (1) sleep. Some Chinese parents are usually (2) to see their children studying late. They will think the
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Mrs. Brown was an old woman. She lived on a small farm. One day she went into the post office near her small farm. She wanted to write a letter to a friend of hers. But she could not read and write, so she asked a young
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dangerous careful fun home safe interest Our earth is in ______ because the air pollution is more and more serious. You must take ______ of your pet dog. It's ______ to look after some baby animals. Don't you think so? I
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Dogs also helped people hunt animals for food. ( 对划线部分提问) ____________dogs also______people______?
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Let's go out for a walk.(改为反义疑问句) Let's go out for a walk,____________?
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It is very exciting for me to travel to the USA..(改为感叹句) ____________ it is for me to travel to the USA!
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Liuxiang is my favourite sports player. (保持句意相同) I______ Liuxiang______.
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阅读《黎明的通知》中的选段,回答问题。①为了我的祈愿诗人啊,你起来吧②而且请你告诉他们说他们所等待的已经要来③说我已踏着露水而来已借着最后一颗星的照引而来④我从东方来从汹涌着波涛的海上来⑤我将带光明给世界又将带温暖给人类⑥借你正直人的嘴请带去我的消息⑦通知眼睛被渴望所灼痛的人类和远方的沉浸在苦难里的城市和村庄⑧请他们来欢迎我——白日的先驱,光明的使者(1)用文中原话回答。“黎明”的任务是: 。诗人的任务是: 。(2)借助联想和想象来理解
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阅读《礁石》,回答问题。一个浪,一个浪无休止地扑过来每一个浪都在它脚下被打成碎沫、散开……它的脸上和身上像刀砍过一样但它依然站在那里含着微笑,看着海岸(1)诗中的“礁石”象征了什么?(2)诗运用了哪些修辞手法?(3)这首诗的主旨是什么?(4)从内容和形式上分析一下本诗的特点。(5)全诗采用了 的艺术手法,通过对自然景物的描写歌咏,寄寓了深沉的生活哲理内涵。诗歌形象 、 ,洋溢着一种 情绪。
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阅读《煤的对话》,回答问题。 你住在哪里?我住在万年的深山里我住在万年的岩石里你的年纪——我的年纪比山的更大比岩石的更大(1)结合这首诗的主旨,说说诗人为什么以煤作意象。 (2)有人评价这首诗的艺术特点时说:“强烈的反差,激起读者感情的波澜。”对此,你是怎样认识的?
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阅读《艾青诗选——黎明的通知》节选,回答问题。 黎明的通知艾青①为了我的祈愿/诗人啊,你起来吧②而且请你告诉他们/说他们所等待的已经要来③说我已踏着露水而来/已借着最后一颗星的照引而来④我从东方来/从汹涌着波涛的海上来⑤我将带光明给世界/又将带温暖给人类⑥借你正直人的嘴/请带去我的消息⑦通知眼睛被渴望所灼痛的人类/和远方的沉浸在苦难里的城市和村庄⑧请他们来欢迎我——/白日的先驱,光明的使者【注】本诗写于1942年初,正是抗日战争最艰苦的
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回顾《艾青诗选》,选取诗歌中你最有感触的一个意象,联系相关诗句,写出其中蕴含的思想文化内涵。
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艾青曾被称为“太阳与火把”的歌手,请结合《艾青诗选》中的诗篇,谈谈你的理解。
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为了让同学们更好地了解现代诗歌,九年级(1)班举办了“轻叩诗歌的大门”综合性学习活动。请你一起参加。(1)为了开展好这次活动,班委会拟定了两个活动项目,请你再补充两个。①搜集喜欢的诗歌 ②整理搜集的诗歌③ ④ (2)下面是一位同学设计的“我最喜爱的诗歌”推荐表,请将表格填写完整。 诗歌(长的诗可以只填诗歌题目和作者) 推荐理由 礁石 一个浪,一个浪 无休止地扑过来 每一个浪都在它脚下 被打成碎沫、散开…… 它的脸上和身上 像刀砍过一样
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