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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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九年级·英语·选择题Unit 1 They sometimes work harder.
Bruce ______ watches TV or listens to the radio, so he knows nothing about it.
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九年级·英语·填空题Unit 1 They sometimes work harder.
two, think, such as, few, or, do, with, how, way, happy Happiness is important for everyone. Most people want to be happy but 【 1 】 people know how to find happiness. Money and success don't bring lasting happiness. Happ
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九年级·英语·阅读理解Unit 1 They sometimes work harder.
Sometimes people come into your life and you know that they were sure to be there at once. They may come for some reasons: teach you a lesson or help to find out who you are or who you want to become. You never know who
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九年级·英语·补全对话Unit 1 They sometimes work harder.
根据对话内容，从方框中选用适当的句子完成对话。其中两项为多余选项。 Mr. Crum is talking with his doctor. A is for Mr. Crum; B is for the doctor. B: Mr. Crum, please. A: Hello, doctor. B. How are you? A: I'm fine, thank you, doctor, but I need your advice
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九年级·英语·填空题Unit 2 we must keep the camp clean.
Tips for being a super organized student Posted 2 hours ago by Amy I have always admired students who hand in their homework on time and never ______ to do it. Me, on the other hand... OK, I’m not good enough. I’m ______
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九年级·英语·补全对话Unit 1 You must be careful of falling stones.
A： (1) are you going？ B： We are going to a swimming pool． A： Could you please let us look at your rules and (2) ？ B： Yes．Here you are． A： You (3) go swimming immediately after lunch． B： Yes! A： And you mustn't go swimmin
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九年级·英语·选择题Unit 1 You must be careful of falling stones.
You mustn't ________ on your own， because you might get lost in the mountains．（ ）
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九年级·英语·选择题Unit 1 You must be careful of falling stones.
When you talk with a stranger，be________ one thing：don't talk too much about yourself．（ ）
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九年级·英语·完成句子Unit 1 You must be careful of falling stones.
因为昨天下雨，简不得不待在家里，没法离开． Because it rained yesterday， Jane______ stay at home and couldn't______．
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九年级·英语·完成句子Unit 1 You must be careful of falling stones.
我们停了一会儿，接着又继续向前走去． We stopped______，and then passed on．
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九年级·英语·填空题Unit 1 You must be careful of falling stones.
close to， go off， pay attention， get lost， set off， be careful of ______ ， please． You have to follow me． Hiking is a great way to travel． You will get ______ nature and take exercise． We will have to ______ early to avo
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九年级·英语·任务型阅读Unit 1 You must be careful of falling stones.
假如你在友好学校 Cloverport School 夏令营期间观摩了当地小镇的一个节日活动 , 请根据其中的一项活动宣传单 , 完成一则英文报告。每空限填一词。 Rules for Teen Mr. Cloverport ◆ Teen Mr. Cloverport is open to all boys aged 13-16. ◆ There will be a meeting and practice with the compet
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九年级·英语·填空题Unit 1 You must be careful of falling stones.
without, protect, goal, harmful, make, warn, quick, nervous, when, danger When people hear the word stress, they usually think of something bad. However, stress can have several benefits( 益处 ) for the body and mind. To b
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九年级·英语·信息匹配Unit 2 Get off the sofa!
It's important to develop the healthy habits in your daily life. The following will help you become healthier and keep perfect shape. Eat properly. A healthy diet is very important to everybody. (1) Doctors suggest that
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九年级·英语·信息匹配Unit 2 Get off the sofa!
补全对话 (Lisa doesn’t feel well today. She is at the doctor’s.) D: Can I help you? L: (1) D: When did it start? L: (2) D: Let me have a look. (3) L: I played computer games all day. D: Mm. That’s it. L: (4) D: Nothing serio
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九年级·英语·选择题Unit 2 Get off the sofa!
It's ______ that smoking is bad for people's health.
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九年级·英语·选择题Unit 2 Get off the sofa!
The boy apologized to Mrs White because he had broken her. （选出与画线部分意思相同或相近的选项）
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九年级·英语·选择题Unit 2 Get off the sofa!
— I hear you're crazy about Roger Federer. — Exactly. He is one of the greatest tennis players in the world and ______18 grand slams（大满贯）all together.
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九年级·英语·填空题Unit 2 Get off the sofa!
阅读下面短文 , 根据短文内容及首字母提示补全文中所缺的单词。 Almost every day, we discuss the topic of health. But what is health? “Health” means eating well, getting e 【 1 】 exercise and having a healthy lifestyle. Here a 【 2 】 some useful rules. ★
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九年级·英语·任务型阅读Unit 2 Get off the sofa!
Remember when you were a little child trying to learn to walk? First, you had to learn how to balance ( 平衡 ) yourself and stand. You fell down, and then got back up. You laughed sometimes and cried at other times. After
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