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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·填空题阅读判断题
Zhi Nong was born in a small town in Yunnan Province.When he was young,he moved to Kunming with his mother.Feeling like a caged bird in big city,he was bored with the busy and noisy city life and looked forward to nature
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九年级·英语·填空题阅读排序
阅读下面语段，请按照正确的逻辑顺序，将各语段重新排序． A．I'm really looking forward to it，It has taken me a long time to decide who should be invited，But at last I have written the invitations to thirteen of my friends． B．I've been promised a part
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九年级·英语·填空题阅读排序
Lance Armstrong，a world-famous cyclist，was already a professional athlete at the age of 16，taking part in courses of long distance swims，bike rides and runs． In his high school years，Lance decided to train cycling．Within
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九年级·英语·填空题阅读排序
第二节：阅读短文，根据其内容，选择最佳选项．（每小题2分，满分10分） “BANG!”the door caused a reverberation （回声）．It was just standing there，with father standing on one side，and I on the other side． We were both in great anger．“Never set foot in this hou
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七年级·英语·选择题主谓一致
Look!Some bread in the box,and some apples on the table.（ ）
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八年级·英语·填空题祈使句
朋友问你"Is getting up late good or bad for our health?",你可以这样回答: ______.
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九年级·英语·填空题祈使句
WeChat Pay has become an important part of our ______（每日的） lives.
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七年级·英语·填空题祈使句
My father enjoyed his ______（停留） in Shanghai last summer.
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九年级·英语·选择题表语从句
My favorite subject is English ．（ ）
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九年级·英语·选择题语态的辨析
China is the Great wall（ ）
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九年级·英语·选择题语态的辨析
-Hi，Bob．Why don't you take your mobile phone？ -Oh，students________ not to use them in school now．（ ）
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九年级·英语·选择题语态的辨析
Our classroom every day．（ ）
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八年级·英语·填空题阅读判断题
Zhi Nong was born in a small town in Yunnan Province.When he was young,he moved to Kunming with his mother.Feeling like a caged （笼中的） bird in a big city,he was bored with the busy and noisy city life and looked forward t
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七年级·英语·填空题阅读判断题
Mascots （吉祥物） for Asian Games A Ru,A Yi,A Xiang, A He,Le Yangyang Vichuon,Chumuco,Barame Bhin Bhin,Ika,Atung Chenchen,Congcong,Lianlian 16th 17th 18th 19th 2010 2014 2018 2023 Guangzhou Incheon Jakarta Hangzhou China Sou
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九年级·英语·选择题表语从句
It's really--you not to tell your parents about the problems．Do you think you can solve them on your own？（ ）
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八年级·英语·填空题不定式
When the news on TV reported that a heavy rainstorm was in the area,Ben could hear strong winds outside his home in Alabama.With no light outside,it （1）______（feel） like midnight. Everyone was busy.Ben\’s dad was （2）____
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九年级·英语·填空题不定式
你想告诉你的朋友安溪是个很棒的居住地,你会这样和他说: ______.
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七年级·英语·填空题不定式
turn off the lights ______
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八年级·英语·填空题单词填空
We saw the houses of the Chinese______（trade） from 100 years ago．
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七年级·英语·选择题词汇的惯用法
beautiful picture!（ ）
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