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#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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九年级·英语·句型转换Unit 3 Language in use
Ⅱ．句型转换 【1】My watch didn't work．（改为同义句） My watch ______ ______． 【2】“Don't play in the street！” he warned me．（合并为一句） He warned me ______ ______ ______ in the street． 【3】He won't be busy．He will take a walk．（用if合并成一句） _____
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九年级·英语·选择题Unit 3 Language in use
The famous movie star didn't refuse ______ the poor children．
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九年级·英语·阅读理解Unit 2 If you tell him the truth now, you will show that you are honest.
【1】(A)用一个适当的英语单词替代文中②处划线部分No matter what： . (B)猜猜文中④处划线部分distance的汉语意思： . 【1】将文中⑤处的划线部分翻译成汉语： . 【1】根据文中⑥处的汉语提示，用英语将句子补充完整： . 【1】将文中①处划线部分合并成一句： Please tell me . 【1】写出文中③处划线部分的同义句：
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九年级·英语·选择题Unit 2 If you tell him the truth now, you will show that you are honest.
We will have an exam ______ the month．
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九年级·英语·选择题Unit 2 If you tell him the truth now, you will show that you are honest.
We have ______ the game ______ the computer．
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九年级·英语·选择题Unit 2 If you tell him the truth now, you will show that you are honest.
—Look at the sun！It is too hot today． —Yes，why not ______your coat?
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九年级·英语·填空题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
Problem ： I planned to go out with my best friend last Saturday ． But my cousin _____ me the night before ． He told me he was on a _____ to my city ． He would _____ on Saturday afternoon ． I had to go to the train statio
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九年级·英语·句型转换Unit 1 If I start after dinner, I’ll finish it before I go to bed.
句型转换 【1】Tony could write some English．（改为同义句） Tony ______ ______ ______ write some English． 【2】Check carefully，and you will make fewer mistakes．（改为同义句） ______ you check carefully，you ______ ______ fewer mistakes． 【3】He w
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九年级·英语·选择题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
We should get a habit of ______ the teacher carefully in class．
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九年级·英语·选择题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
After a long walk，we should have a rest ______ on walking．
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九年级·英语·句子翻译Unit 2 It is still read and loved.
在中国学生们学习剪纸吗？ ______
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九年级·英语·单词拼写Unit 2 It is still read and loved.
单词拼写 【 1 】 We are very ______ （满意的） with our new house ． 【 2 】 She lives in the ______ （南方的） part of China ． 【 3 】 How many ______ （州） do you know that America has? 【 4 】 The dog was ______ （死的）． 【 5 】 Luckily ， the man
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九年级·英语·选择题Unit 2 It is still read and loved.
—How beautiful your hometown is! —Yes, trees and flowers _______ everywhere.
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九年级·英语·选择题Unit 2 It is still read and loved.
—What are you ______？ —I can't ______ my pen．Have you seen it?
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九年级·英语·任务型阅读Unit 1 Stay Healthy
郎朗新专辑 Piano Book World-famous Chinese pianist Lang Lang released his new album ( 专辑 ) Piano Book in New York on Tuesday, April 9, 2019. He wants to share his thoughts on piano playing and music education. The album consi
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九年级·英语·阅读理解Unit 1 Stay Healthy
辛鑫夺冠 Chinese swimmer Xin Xin won the first gold medal for China in open water swimming at the 18th FINA World Championships on Sunday in Gwangju, Korea. The time was on July 14, 2019. It was really exciting news. The 22
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九年级·英语·阅读理解Unit 2 Great People
On the morning of July 14, 1960, Jane Goodall arrived at Lake Tanganyika in the Gombe National Park. Then around 5 p.m., Jane went into the forest to find her first chimpanzee. As a young woman, Jane Goodall was followin
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九年级·英语·填空题Unit 2 Great People
Is sleeping longer during weekends good for you? Scientists 【 1 】 (mention) that this habit is bad for your health and can make you gain weight. According to sleep experts ( 专家 ), sleeping longer during weekends is 【 2 】
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九年级·英语·书面表达Unit 6 Movies and Theater
假如你是李华 , 在网上看到英国 Britech 公司为正在开发的一款提高英语写作能力的应用软件 (app) 征集网友建议。请根据网上的征集信息和以下提示 , 用英语给该公司写一封电子邮件。 IDEAS NEEDED Britech is now designing an app that helps learners with their English writing. The app is to help learners exp
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九年级·英语·填空题Unit 6 Movies and Theater
Every year in the world, there are many good movies. 【 1 】 (general) speaking, a good movie always shows something about cultural or social problems. It can help people think about the problems and take 【 2 】 (act) to so
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