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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·选择题普通名词
John wants to be a ，so he often helps sick people in the hospital.（ ）
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九年级·英语·单词拼写/单词释义普通名词
It's time lo have a rest.Let's go out for a ______ （呼吸） of fresh air.
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九年级·英语·选择题代词辨析
He finds ______ really difficult for him to learn English well in just one year.
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九年级·英语·填空题人物故事类阅读
I\’m glad that listening to English songs every day has i ______（增加） my English vocabulary.
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九年级·英语·选择题新闻报道类阅读
Zheng Qinwen won the gold in the 2024 Paris Olympic Games,lifting the of Chinese tennis lovers.（ ）
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九年级·英语·选择题宾语从句
-- Could you please tell me how to_______my carelessness? -- You should try to think carefully before you do everything.（ ）
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九年级·英语·选择题宾语从句
—How long has your uncle ? —About three years.（ ）
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九年级·英语·填空题新闻报道类阅读
Chinese does not have any Latin roots like many of the languages used in the western world,such as English,French and German.So it\’s said that Chinese can be difficult （1）______learn.It has thousands of characters,which
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九年级·英语·填空题阅读排序
根据下面每段话的陈述内容，从方框中选出各段恰当的标题． “When a man is tired of London，he is tired of life．“said Dr．Johnson．You can never be bored in London，because there is so much to do． 66． 67． 68． 69． 70． ．
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九年级·英语·选择题状语从句
---Why didn't you try your best to get on the subway （地铁）? ---I tried to,but it started moving _______ I could get on it．（ ）
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九年级·英语·句型转换语法
What do you think of Canton Tower？ （ 改为同义句） ______ do you ______Canton Tower？
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九年级·英语·填空题历史文化类阅读
请阅读下面语篇,从每小题所给的A、B、C三个选项中,选出一个最佳选项. In 2024,Chinese New Year falls on February 10.This year is the Year of the Dragon.It is said that people born in the Year of the Dragon are full of luck and self-confidence.The dragon
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九年级·英语·选择题历史文化类阅读
It\’s so dangerous to swim in the lake.Parents should their children it.（ ）
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九年级·英语·填空题阅读排序
We talk every day．When we have good news，we like to share it with our good friends and when something terrible happens，we make it known to others soon．But can you imagine that a tree can talk and share news too？Of course
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九年级·英语·填空题阅读排序
When you are curious about something and want to know more about it，you can use the way of asking questions．Asking questions is the first step to make discoveries and find interesting answers．The following steps can guid
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九年级·英语·选择题语态的辨析
His mother ________ to help him out if he has problems．（ ）
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九年级·英语·选择题语态的辨析
-When shall we go and play basketball？ -Not until the work ________ tomorrow．（ ）
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九年级·英语·选择题状语从句
Tony prefers skiing to climbing because he thinks climbing is not as_____as skiing.（ ）
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九年级·英语·句型转换语法
He is so scared that he can't go to sleep. （ 改为同义句） He is ______scared ______go to sleep.
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九年级·英语·句型转换语法
Transformers：The Last Knight is a famous movie.It is directed by Michael Bay. （合并为一个句子） Transformers：The Last Knight is a famous movie ____________Michael Bay.
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