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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 2 What do I like best about school?
请阅读一张 “ 共享小图 ” （一种新型社区图书馆）的海报 , 根据所提供的信息 , 完成信息卡。 It's a Mailbox… It's a Bird House… No. Wait. It's a Library! Sunshine Park Has A Little Free Library! Bryan Lim is excited to be the director of the Little Free Library f
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九年级·英语·填空题Unit 1 They don’t sit in rows.
Alice is 【 1 】 (I) pen friend. She is a 16-year-old girl 【 2 】 the UK, but now she lives in China. She is a student in Beijing. She likes going to school, but there are some things 【 3 】 she doesn’t like, such 【 4 】 P.E.
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九年级·英语·填空题Unit 1 They don’t sit in rows.
选词填空 surprise, you, live, other, wear 【 1 】 Jim liked China very much and he enjoyed ________ in China. 【 2 】 We are a big family, so we should help ________ when they are in need. 【 3 】 Men must ________ suit when they
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九年级·英语·单词拼写Unit 1 They don’t sit in rows.
单词拼写 【 1 】 Your school is very big, but _________( 我们的 ) is even bigger. 【 2 】 In some schools in our city, students must wear uniforms and _________( 领结 ) to school. 【 3 】 There are two big swimming _________( 池塘 ) in o
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九年级·英语·选择题Unit 1 They don’t sit in rows.
All of us find _______ necessary to do sports to keep healthy.
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九年级·英语·任务型阅读Unit 1 They don’t sit in rows.
There are some things that are almost impossible to say to our close friends — especially if we want (A) them to be our friends for life. Are you wondering what problems others have? “I can’t stand your other friends.” M
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九年级·英语·补全对话Unit 1 They don’t sit in rows.
Jim: Hello. Office Center. Kate: Hi, is that you, Jim? 【 1 】 Jim: Fine, thank you. Kate, I'm so glad that you phoned. How is your study in London? Kate: Everything is going quite well. And how about your teaching? Jim: O
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九年级·英语·填空题Unit 1 They don’t sit in rows.
根据短文内容及所给首字母提示写出所缺单词 , 使短文意思完整 , 每空一词。 As I entered an international high school, all my friends felt surprised at my short hair. This is because, my old school thinks teenage y 【 1 】 aren’t the time for looking pretty.
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九年级·英语·补全对话Unit 1 They don’t sit in rows.
(Mrs. Poole, a 77-year-old dancer, has just won “Best Ballet( 芭蕾舞 )Dancer” of the city.) Zhang Hua: Congratulations! Could I ask you some questions? Mrs. Poole: 【 1 】 Zhang Hua: When did you start to learn ballet? Mrs. P
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九年级·英语·任务型阅读Unit 3 Language in use.
Though times have changed, falling asleep in class is still a common occurrence ( 常事 ) among teenagers. Why do students sometimes fall asleep in class? An obvious reason is lack of sleep. However, there are also causes f
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九年级·英语·填空题Unit 3 Language in use.
across; forever, through; who; share; which; memories; separate Good morning, everyone. Standing here, I know it's time to say goodbye. When I look back to the past three years, many beautiful 【 1 】 rush to my mind. When
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九年级·英语·填空题Unit 3 Language in use.
One day, Tom asked Mary, "How is it that you are always so h 【 1 】 ? You have so much energy, and you never seem to get down." Smiling at him, she said, "I know the s 【 2 】 !" "What secret is that?" She replied, "I'll te
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九年级·英语·填空题Unit 2 I think life is better today.
Mrs. Li, my neighbor, told me something about life in the past and how life had changed. In the past her family lived in a very 【 1 】 ( 极小的 ) house. There were no 【 2 】 ( 用电的 ) lights. They could only use 【 3 】 ( 蜡烛 ). H
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九年级·英语·选择题Unit 2 I think life is better today.
The couple _________ for over 20 years, and they love each very much.
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九年级·英语·单词拼写Unit 2 I think life is better today.
【题目】根据下面短文内容，在短文的空格处填上一个恰当的词，使短文完整、通顺。 A big company wanted to find someone to work for them. Lots of young college students came to __ 【1】 _ for the job, but only a small part of them were left. And this time, the compa
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九年级·英语·阅读理解Unit 2 I think life is better today.
Thanks to better health care, most people are living healthier and longer lives. Someone who is born today can expect to live about thirty-five years longer than someone who was born in the nineteenth century. It is even
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九年级·英语·任务型阅读Unit 2 I think life is better today.
"I will never find time to learn this difficult lesson, "said Robert to Frank as they left school. "I can't do it by tomorrow." "You have ten minutes before lunch. Why not begin right away?" asked his brother. "Ten minut
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九年级·英语·填空题Unit 2 I think life is better today.
"If you agree with me, please 'Dian Zan'" is one of the most popular sentences on the Internet. When you think someone's ideas are right, when you think someone's articles are _____ , or when you are moved by what someon
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九年级·英语·填空题Unit 1 They sometimes work harder.
I feel lucky that I live in the modern age. People are 【 1 】 ( 富有的 ) and live longer than in the past. We know how to deal with the 【 2 】 ( 普通的 ) diseases, so we have less 【 3 】 ( 害怕 ) of getting ill. And we have more 【
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九年级·英语·选择题Unit 1 They sometimes work harder.
He practiced English every chance he could catch. So now he can speak English _______ local Americans.
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