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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-
在你的成长历程中 , 收到过很多建议吧？有的建议帮你解决了生活中的烦恼，有的帮你解决了学习上的困难。好的建议能帮助我们解决难题，受益终生。某英语杂志以 “The best advice I ever got” 为题举办征文活动，请写一篇短文参加此次活动。 内容包括： 1. 你遇到了什么问题？ 2. 你收到的最好的解决这个问题的建议是什么？ 3. 这个建议对你有什么帮助？ 要求： 1. 100 词左右； 2. 文中不得出现真实姓名及校名。
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九年级·英语·补全对话人教新目标Go For It!》九年级全册》Unit 7 Teenagers should be allowed to choose their own clothes.》Section A###
Paul and Bill are from different colleges. Paul applies （申请） for an online school, while Bill attends classes at school. They each believe that their school system （制度） is better than the other. Paul: Hey, Bill. Are you
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九年级·英语·阅读理解-
It is a hot summer day. Clara is drinking juice in the yard. Her mom is cutting grass with a lawnmower （割草机） . The lawnmower is loud, and Clara wishes her mom would play with her instead. But mom says the grass is very l
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九年级·英语·选择题-
— I wonder_________. — Well, I think Qingfeng Lake Park is a good choice.
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九年级·英语·选择题初中英语知识点》动词》动词分类》短语动词###初中英语知识点》词汇》短语》B》bring out###初中英语知识点》词汇》短语》G》give up###初中英语知识点》词汇》短语》S》set up###初中英语知识点》词汇》短语》S》shut off###人教新目标Go For It!》九年级全册》Unit 9 I like music that I can dance to.》单元综合与测试###
By the end of 2025, garbage-sorting systems （垃圾分类系统） will be ________ in Dongying.
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九年级·英语·选择题初中英语知识点》词汇》单词》C》continue###初中英语知识点》词汇》单词》D》decide###初中英语知识点》词汇》单词》R》refuse###初中英语知识点》词汇》单词》S》stop (停止)###外研版》九年级上册》Module 3 Heroes》 Unit 2 There were few doctors，so he had to work very hard on his own.###初中英语知识点》动词》动词分类》实义动词
We should__________to buy products that come from wild animals. A large number of them are in danger.
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九年级·英语·选择题初中英语知识点》数词》表达算式###
We asked 200 students in our school about whether they wanted a younger brother or sister. Here are the results. It shows that ________ percent of them don’t want to have one. This is a big problem.
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九年级·英语·选择题初中英语知识点》词汇》单词》B》but (但是)###初中英语知识点》词汇》单词》O》or (或者)###初中英语知识点》词汇》单词》S》so (因此)###初中英语知识点》词汇》单词》W》while (但是)###
Many students hated to have classes on DingTalk, ________ they gave it one-star reviews （评价） .
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九年级·英语·选择题初中英语知识点》词汇》单词》B》break (打破/终止)###初中英语知识点》词汇》单词》C》change (改变 v.)###初中英语知识点》词汇》单词》C》control###初中英语知识点》词汇》单词》C》copy###外研版》九年级上册》Module 5 Museums》 Unit 2 If you ever go to London，make sure you visit the Science Museum.###初中英语知识点》
5G, as a new global network （全球网络） after 3G and 4G, will certainly ________ our life in many ways.
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九年级·英语·选择题初中英语知识点》名词》名词辨析###初中英语知识点》词汇》单词》D》day###初中英语知识点》词汇》单词》F》festival###初中英语知识点》词汇》单词》P》period###初中英语知识点》词汇》单词》V》vacation###外研版》九年级上册》Module 10 Australia》 Unit 2 The game that they like most is Australian footabll.###
—Many mothers smiled from ear to ear when they got the news that children could go back to school. —That’s true. It is the ________ that they had been looking forward to.
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九年级·英语·选择题-
— We will have a 2. 5-day weekend soon. — _____ exciting news! We can hang out on Friday afternoons.
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九年级·英语·选择题初中英语知识点》名词》名词辨析###初中英语知识点》词汇》单词》A》advantage###初中英语知识点》词汇》单词》E》exam/examination###初中英语知识点》词汇》单词》I》interest (兴趣/爱好/好奇心)###初中英语知识点》词汇》单词》M》method###外研版》九年级上册》Module 8 Sports life》 Unit 2 He was invited to competitions around th
Many jobs require people who are good at English. If your English is good, you will have one more ________ when searching for jobs.
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九年级·英语·选择题初中英语知识点》词汇》单词》A》although###初中英语知识点》词汇》单词》B》because###初中英语知识点》词汇》单词》I》if (如果)###初中英语知识点》词汇》单词》U》until###牛津译林版》九年级上册》Module 2 Entertainment》Unit 7 Films###仁爱版》九年级上册》Unit 2 Saving the Earth》2. All these problems are very serious
________ he is dead, Kobe Bryant’s spirit will continue to influence us.
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九年级·英语·选择题初中英语知识点》词汇》单词》H》hear(heard heard)###初中英语知识点》词汇》单词》R》read(read read)###初中英语知识点》词汇》单词》S》speak(spoke spoken)###初中英语知识点》词汇》单词》W》write(wrote written)###初中英语知识点》动词》动词分类》实义动词》动词辨析###
— My pet dog is lost, Mary. — I’m sorry to hear that. Why not put an ad （广告） in the newspaper? — Don’t be silly. He can’t ________.
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九年级·英语·选择题初中英语知识点》代词》反身代词###初中英语知识点》词汇》单词》I》it###初中英语知识点》词汇》单词》Y》you###初中英语知识点》词汇》单词》Y》yourself###初中英语知识点》词汇》单词》Y》yourselves###外研版》九年级下册》Module 4 Rules and suggestions》Unit 1 You must be careful of falling stones.###
— Take care while walking along the wet hill path （小径） . You may fall and hurt ________. — OK. Thanks for reminding me.
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九年级·英语·选择题初中英语知识点》副词》副词辨析###初中英语知识点》形容词》形容词辨析###初中英语知识点》词汇》单词》D》dangerous###初中英语知识点》词汇》单词》E》exciting###初中英语知识点》词汇》单词》F》famous###初中英语知识点》词汇》单词》I》interesting###
Wingsuit Flying （翼装飞行） is one of the most ________ sports in the world. Nearly 30% people who take part in it may lose their lives.
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九年级·英语·选择题初中英语知识点》词汇》单词》B》beautifully###初中英语知识点》词汇》单词》C》clearly###初中英语知识点》词汇》单词》L》loudly###初中英语知识点》词汇》单词》Q》quietly###
Han Hong is a talented singer. She can not only sing ________ but also write her own songs.
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九年级·英语·选择题初中英语知识点》副词》副词辨析###初中英语知识点》形容词》形容词辨析###初中英语知识点》词汇》单词》B》bored###初中英语知识点》词汇》单词》R》relaxed###初中英语知识点》词汇》单词》S》surprised###初中英语知识点》词汇》单词》W》worried###外研版》九年级上册》Module 7 Great books》 Unit 2 It is still read and loved.###人教新目标Go For I
— Mummy, why do you have grey hair? — Because you always make me ________. — Oh, I know why my grandma’s hair is white.
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九年级·英语·选择题初中英语知识点》名词》名词辨析###初中英语知识点》词汇》单词》B》book (书/本子)###初中英语知识点》词汇》单词》D》dictionary###初中英语知识点》词汇》单词》E》eye###初中英语知识点》词汇》单词》M》map###人教新目标Go For It!》九年级全册》Unit 9 I like music that I can dance to.》单元综合与测试###
An electronic is a smart guide. It can lead us to the place we want to go to.
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九年级·英语·选择题初中英语知识点》词汇》单词》A》anything###初中英语知识点》词汇》单词》E》everything###初中英语知识点》词汇》单词》N》nothing###初中英语知识点》词汇》单词》S》something###
When Anna opened her wallet, she was surprised to find ________. It was empty.
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