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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·选择题初中英语知识点》副词》副词的种类》方式副词###初中英语知识点》词汇》单词》C》carelessly###初中英语知识点》词汇》单词》H》heavily###初中英语知识点》词汇》单词》N》nicely###初中英语知识点》词汇》单词》R》rudely###
—He hardly had friends because he used to be mean. —But now he has changed a lot. He treats others and is popular.
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九年级·英语·选择题初中英语知识点》代词》人称代词》宾格的人称代词###初中英语知识点》动词》动词分类》短语动词###
—Shall we ________the things we don' t use ? —No.We can ________to the people in need.
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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###
— Your sister _ your mother very much. — Many people regard them as sisters when they hang out together.
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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###
--- More and more foreigners come to visit the Great Wall. ---That's true. It is the____of China.
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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》情态动词###
---The beautiful lady with glasses over there looks like our English teacher. ---It be her. She has gone abroad.
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九年级·英语·选择题初中英语知识点》介词》简单介词》介词用法###
—Shall I help you go the street, Grandpa? —No, thanks. I can manage it myself.
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九年级·英语·选择题初中英语知识点》句子种类》特殊句式》倒装句》部分倒装###
—Would you like to go to the city park? — I’m not sure. If Mike doesn’t, _________.
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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###
- It's useless to regret what has been done. Don't make those mistakes again 一I won't. That's a(n) _____
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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###
—I like the ________ named The World of English very much. — Me, too. I have read it for many years.
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九年级·英语·填空题单词拼写;表示目前存在的状态、性质或经常发生的动作或习惯<br/>
（2023九上·开学考） My English teacher often (鼓励) me to speak English as much as possible.
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九年级·英语·填空题单词拼写;含有情态动词的被动语态<br/>
（2023九上·开学考） Your personality can be (塑造) by your education and experiences.
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九年级·英语·填空题单词拼写;一般过去时<br/>
（2023九上·开学考） Tears (充满) her eyes.
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九年级·英语·填空题单词拼写;不可数名词<br/>
（2023九上·开学考）It's my (高兴) to help you.
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九年级·英语·任务型阅读日常生活类；科普类；说明文<br/>
（2023九上·开学考） 任务型阅读 How to Become a Radio DJ No family wants its home to catch fire, but it's good to plan for a fire just in case. Talk with your family about what to do if a fire starts. Everyone should have a plan for
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九年级·英语·阅读理解体育竞技类；说明文<br/>
阅读理解 Exercise improves not only your appearance, but also your health. Health experts advise people to choose physical activities that they find interesting. So, what are some of the most popular forms (形式) of exercise i
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九年级·英语·阅读理解社会现象类；说明文<br/>
阅读理解 Is the world too crowded? Well, that's a hard question to answer. It's a matter of the perspective (视角). In Montana, you might drive a mile in any direction and might not see another human being. In Macao, 60,000 pe
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九年级·英语·填空题人生百味类；记叙文<br/>
（2023九上·开学考） 完形填空 Janet is my best friend. One day, however, I nearly ended our friendship. I remember that day clearly. We were 16． in the classroom. The teacher was giving us the results of a maths exam. I had done bad
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九年级·英语·选择题情景交际
（2023九上·开学考）—I visited the purple Mountain Observatory last Sunday. — ____ Why didn't you tell me earlier?
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九年级·英语·选择题时态统一;陈述语序
（2023九上·开学考） Do you know ____?
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九年级·英语·选择题介词辨析
（2023九上·开学考） The new term is coming and Eric wants to buy a new pair of sports shoes ____ school.
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