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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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七年级·英语·单词拼写Unit 2 The library is on the left of the playground.
根据句意及汉语提示完成单词 【1】The dining hall is __ (靠近)the gate. 【2】I go to school __ (和)my mother. 【3】There is no computer in my __ (房间)． 【4】Vincent is reading books in the __ (图书馆)． 【5】There is a football __ (在……后面)the door. 【6】My
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九年级下·英语·阅读理解Unit 1 Great explorations
阅读理解 Today is December 15, 2030. Influenced by the launch of the first manned mission to Mars next month, you will most likely get a gift card for a space trip. The interest in trips, 100km above the surface of the Earth
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九年级下·英语·阅读理解Unit 1 Great explorations
根据短文内容，选择正确答案。 What can little money do? It's worth thinking it over. A few weeks ago, I got $120 from a friend in a Smile Group. He asked me to do good things with the money. Since then I have used the money to help str
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九年级下·英语·填空题Unit 1 Great explorations
完形填空Professor Jonathan Wong of the Department of Biology takes part, in low-carbon (低碳) living projects. Here, he tells us how we can lead a low-carbon life by paying （1） to how we dress, eat and （2） Here are his words.
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九年级下·英语·填空题Unit 1 Great explorations
根据短文理解，从A、B、C三个选项中选择最佳答案填空。 A young man went to visit a wise man living deep in the mountain for the wisdom of life. "Excuse me! Could you please tell me what the most （1） day in our lives is? Is it the day when we were
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九年级下·英语·翻译Unit 1 Great explorations
这个工厂是一年前建立的。 The factory was one year ago.
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九年级下·英语·填空题Unit 1 Great explorations
We try to maintain (保持) good (relate) with our customer.
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九年级下·英语·填空题Unit 1 Great explorations
The government (office) should serve the people heart and soul.
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九年级下·英语·填空题Unit 1 Great explorations
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。 Christopher Columbus was born in the Republic of Genoa (today part of Italy)between 31 October, 1450 30 October, 1451 and (die)on 20 May, 1516. He was well-known explorer. Throughou
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八年级·英语·句子翻译Unit 2 You should smile at her.
让我们尽可能的多说英语． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
我建议你一天在纸上写四到五个单词，把他们放在你的屋里． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
我也建议你和朋友讨论电影或歌曲． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
看几遍听几遍，猜新单词的意思． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
看电影和听英文歌曲是学习英语的好方法． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
很多学生对怎样提高他们的英语征求别人的意见． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
每天大声地拼读新单词是一个好主意． ______
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八年级·英语·句子翻译Unit 2 You should smile at her.
为什么不在笔记本上写下错误呢？ ______
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七年级·英语·阅读理解Unit 1 There are thirty students in my class.
Dear Lingling， I am writing this letter to you in my classroom.It's really a big room.There are fifty students in my class，twentyeight girls and twentytwo boys.In the front of the classroom，there is a blackboard，a map
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七年级·英语·阅读理解Unit 1 There are thirty students in my class.
This is a reading room in Kate’s school. It is big and very nice. There is a lot of furniture in it. There are twenty desks, eighty chairs and twenty computers. There’re some pictures on the wall. They are all of famous
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七年级·英语·填空题Unit 1 There are thirty students in my class.
Look at the picture on the desk.It is a picture of our _____ .There are _____ desks and fifty chairs in it.The _____ desk is for teachers.And the small ones are for _____ .On the desks are our _____ .They are Chinese boo
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