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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·书面表达Unit 1 I have some photos that I took in Australia last year.
选做二 假如你叫李亮，上周六参加了刘公岛一日游，请根据下列信息给你的同学Tony写一封email，介绍刘公岛． 要求： 1．包含表格中要点，适当使用描述性语言，展现刘公岛的魅力． 2．词数：80～100． 刘公岛概况 威海东部，岛长4.08km，宽1.5km，面积3.15km 2 ，船程20分钟，花草树木覆盖，有历史博物馆、动物园等景点，可以进行水上环岛游等活动． 交通方式 汽车、火车等． 游览时间 一天． ______________
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九年级·英语·书面表达Unit 1 I have some photos that I took in Australia last year.
选做一 一个美国青少年交流团来到你们学校，根据下列提示，请你以"Welcome to China"为题目，为这些同学做一个报告，将中国介绍给交流团的同学们．词数：80～100．文章的开头和结尾已给出，不计入总词数． Country China，one of the oldest countries Location in the east of Asia Population over 1.3 billion Capital Beiji
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九年级·英语·书面表达Unit 1 I have some photos that I took in Australia last year.
旅游可以让我们放松身心，增长见识．很多同学都喜欢利用假期去旅游．请你根据表格内的提示内容，补充下文关于悉尼歌剧院的介绍． 位置 位于澳大利亚最大城市--悉尼 形状 像一艘三边都有水的大帆船 大小 长183米，宽118米，高67米 历史 1959年开始建造，1973年完工 评价 1．世界上最大、最繁忙的艺术中心（art centre）之一； 2．悉尼的灵魂、澳大利亚的象征之一； 3．每年吸引数百万的游客． ________________
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九年级·英语·句子翻译Unit 1 I have some photos that I took in Australia last year.
I was very surprised at how big his house was．（be surprised at对……感到惊奇） 我们对他告诉我们的那个消息感到很惊讶． ______
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九年级·英语·句子翻译Unit 1 I have some photos that I took in Australia last year.
They went out of their room to enjoy the warmth of the sun．（enjoy喜欢） 他也喜欢去海滩游泳和冲浪或者只是躺在阳光下． ______
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九年级·英语·句子翻译Unit 1 I have some photos that I took in Australia last year.
It is a good habit to wash hands before meals．（"It is + 名词 + to do sth．"结构） 这是一个游览和休闲的好地方． ______
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九年级·英语·补全对话Unit 3 Language in use
补全对话（有两个多余选项） Lingling ： This is a photo of the Blues Boys playing in a concert last month ． They are really great ． Daming ： 1 ． 【 1 】 Lingling ： Yes ， they play really great music ． 2 ． 【 2 】 ， and the boy in the front
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九年级·英语·填空题Unit 3 Language in use
用所给单词的适当形式填空 【1】Do you know how______（drive）a car? 【2】We Chinese are used to______（eat） with chopsticks． 【3】The question is really difficult for us ______（understand）． 【4】We should ______（plant）more trees to make our cit
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九年级·英语·选择题Unit 3 Language in use
—Would you mind if I keep this book for a week? —______．You can do it．
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九年级·英语·选择题Unit 3 Language in use
Please remember to return the book______you borrowed last week．
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九年级·英语·选择题Unit 3 Language in use
Tom was often made ______ for 12 hours a day by his boss．
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九年级·英语·选择题Unit 3 Language in use
My father has many books，some of ______ are on history．
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九年级·英语·选择题Unit 3 Language in use
—How long______you______the computer? —For a couple of years．
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九年级·英语·完成句子Unit 3 Language in use
用who或which，that连接句子 【1】The building is our school．The building stands by the lake． The building ________________ is our school． 【2】Here is the girl．The girl wants to see you． Here is the girl ________________． 【3】I am th
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九年级·英语·选择题Unit 2 The photo which we liked best was taken by Zhao Min.
—I won the long jump yesterday． —______
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九年级·英语·选择题Unit 2 The photo which we liked best was taken by Zhao Min.
______it was raining，she still went to work on time．
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九年级·英语·选择题Unit 2 The photo which we liked best was taken by Zhao Min.
The school is______my home．
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九年级·英语·选择题Unit 2 The photo which we liked best was taken by Zhao Min.
—Can you show me______the computer? —Of course．
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九年级·英语·句型转换Unit 2 The photo which we liked best was taken by Zhao Min.
【1】Do you know the man？The man is picking up the waste paper．（用who改写句子） Do you know the man ______ ______ up the waste paper? 【2】The novel is very interesting．I read it yesterday．（用which改写句子） The novel ______ I ______ ye
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九年级·英语·填空题Unit 2 The photo which we liked best was taken by Zhao Min.
根据短文内容和所给中文提示，用单词的正确形式完成以下短文． I have watched the documentary（纪录片）---I'm from Xinjiang on the Silk Road (1) （最近）． Many people have seen it． And the (2) （普遍的）opinion is that the documentary is a success． The (3) （主题）of the
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