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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·任务型阅读Unit 4 Growing up
任务型阅读 A good book can teach you things beyond your class. It can open your eyes and clear your minds. If you want to get into a good reading habit, there are a number of ways to develop it. Plan your time You should give
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九年级·英语·完成句子Unit 4 Growing up
【题目】 完成句子 【 1 】 他从我身边走过，一点都没注意到我。 He walked past me without _______________ me. 【 2 】 自从战争爆发以来，这些孩子一直活在为生命安全担忧之中。 These childern ___________ since the war broke out. 【 3 】 那个女演员烧毁了她的自己的日记，所以她二十多岁的生活依然是个谜。 The actress bur
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九年级·英语·填空题Unit 4 Growing up
【题目】 动词填空 【 1 】 The workers ______ (build) a new bridge near my house last year and I guess they will finish it next month . 【 2 】 You ________ (not allow) to stay in the hotel until the form is filled in. 【 3 】 ---Turn
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九年级·英语·阅读理解Unit 4 Growing up
Let children learn to judge( 判断 ) their own work. A child doesn’t learn to talk by being corrected all the time. If he is corrected too much, he will stop talking. He notices a thousand times a day the differences betwee
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九年级·英语·填空题Unit 4 Growing up
根据下列句子意思或汉语提示，写出各单词的正确形式；每空只写一词。 As a teenager ， I am often asked what I am going to be in the future ． A lawyer? A doctor? Or a scientist? No ， my ideal career is to be a teacher ． One of the ____ for that is I want to
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九年级·英语·书面表达Unit 4 Growing up
【题目】 书面表达 升入中学已经两年多了，回顾过去的两年，你对谁最感激（ grateful ）呢？请你以 Thank you ，×××为题，写一篇 80 词左右的短文．短文必须围绕以下提示展开： 1．Who is the person？ 2．What has he/she done for you？Please give one or two examples． 3．What have you learnt from him/her？
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九年级·英语·完成句子Unit 4 Growing up
【题目】 完成句子 【 1 】 根据句意和汉语提示，用正确的单词填空． Messi ____________ （得分） a winning goal in the second half of the match． 【 2 】 如果战争继续，我们每个人都会担心自己的生命安全． If the war continues，we will all live _____________ ． 【 3 】 你认为什么使他改变了主意？ What do
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七年级·英语·填空题Topic 3 How old are you?
My name is Liu Fang. I’m from China. This is an English girl. ______ name is Mary Green. She ______ my friend. She is twelve. She is from ______ . She’s a new student ( 新学生 ) here. I’m in Grade Seven. Mary is in Grade __
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七年级·英语·填空题Topic 3 How old are you?
I have ( 有 ) three friends. ______ are Kangkang, Amy and Fred. Kangkang is thirteen. Amy and Fred ______ fourteen. Kangkang is from China. Amy and Fred are from America. Amy is ______ China now. ______ in Class 4, Grade
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七年级·英语·选择题Topic 3 How old are you?
—____ do you spell your name? —T-I-N-A, Tina.
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七年级·英语·选择题Topic 3 How old are you?
—What’s ____ over there(在那边)？ —It’s a bus.
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七年级·英语·选择题Topic 3 How old are you?
—Is that an orange? —____. It’s an apple.
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七年级·英语·选择题Topic 3 How old are you?
—What’s this ____ English? —It’s an egg.
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七年级·英语·选择题Topic 3 How old are you?
—Are those books?—Yes, ____.
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七年级·英语·选择题Topic 3 How old are you?
—What class are you in? —I’m ____.
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九年级·英语·句型转换Unit 3 Teenage problems
同义句转换 【1】They seemed to be very tired after working． __________seemed that they_________ very tired after working． 【2】I’ll show you how we can use MSN to talk with others． I’ll show you__________ __________use MSN to tal
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九年级·英语·填空题Unit 3 Teenage problems
用所给单词的适当形式填空。 【1】Thanks for___________(listen)to my problem． 【2】So far he____________(accept)a lot of gifts from his friends． 【3】It gives me__________(please)to celebrate the success with you． 【4】I will think about your_
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九年级·英语·单词拼写Unit 3 Teenage problems
根据句意、首字母或中英文提示，完成下列句子。 【1】Read through one of the following_________(文章)． 【2】Our astronauts Fei Junlong and Nie Haisheng travelled to the sky________(成功)． 【3】________(事实)is sometimes stranger than fiction(小说)． 【4】She had
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九年级·英语·阅读理解Unit 3 Teenage problems
（题文） Thumbs Down to Texting ( 屈指发短信 ) Do you have a mobile phone? Do you send text messages to your friends and family? Text messaging or “texting” is becoming very popular. But, scientists have discovered that texting c
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九年级·英语·完成句子Unit 3 Teenage problems
【 1 】 每天我有很多作业，我别无选择，只能去做。 I have a lot of homework every day, and I _________________________________________ it. 【 2 】 郎平挚爱排球，她认为值得为此奉献一生。 Lang Ping loves volleyball so much that she thinks it _________________________
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