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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·填空题必备词汇
When I fell and hurt ______ ，my mother encouraged me to stand up and gave me a hug. （I）
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九年级·英语·信息匹配语篇范围
People didn't pay much attention to their health in the past,but now more and more people try to make sure that they are healthy.（1） ______ Do exercise every day.There are many ways to do exercise in daily life.（2） _____
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九年级·英语·书面表达卫生与健康
When you and your family go out for dinner,do you notice how many dishes you usually order？It's OK if you finish all of them.But if you waste too much food,you need to pay for it. Last year,China's top legislature （立法机关）
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九年级·英语·书面表达个人故事
There was a young man who was in trouble.He went bankrupt （破产）and his wife went away from him.From then on,failure was all that he had seen.Struggling （斗争）with this,he went into the forest alone.There,he met an old man w
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九年级·英语·判断题推理判断
根据短文内容，判断正误（正确"T"，错误"F"）。 I am an Inuit boy named Kayla.Inuit are the people who live in cold Arctic（北极的）lands.In my language,Inuit means"the people".Some people used to call my people Eskimos.We wish to be called Inuit.
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九年级·英语·填空题记叙文
When I was young,I was very proud.I liked to show off （炫耀）in front of others to earn their praise.But after one （1） ______ experience,I came to understand that it's important to be modest （谦虚）. One day,my friend and I we
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九年级·英语·选择题宾语从句
---Could you please tell me _______ ？ ---Of course.I suggest Water City Restaurant.（ ）
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九年级·英语·选择题现在完成时
The documentary Aerial China《航拍中国》is wonderful.So far,I ______ it three times.（ ）
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九年级·英语·选择题固定短语
---Did you have a welcome party for Laura last night？ ---No,we didn't.It was ______ because Laura was in hospital.（ ）
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九年级·英语·选择题相互代词
Yuan Longping is a great scientist ______ was honored as "The Father of Hybrid Rice".（ ）
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九年级·英语·选择题形容词词义辨析
---I think it is a good way to study English by watching English movies. ---I agree.I find it _______ to improve my listening.（ ）
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九年级·英语·选择题地点副词
---Hello,Jenny.I can't find my math book _____.Did you see it？ ---Sorry,I didn't.（ ）
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九年级·英语·选择题名词辨析
Hi,Mom is a moving film.It has been on for several months in the ______ .（ ）
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九年级·英语·选择题问答/审问
---Would you mind my using your pen？ ---Of course not._______ .（ ）
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九年级·英语·选择题从属连词辨析
______ he heard the little girl crying for help outside,he rushed out of the room.（ ）
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九年级·英语·选择题动词不定式
The earth is in great danger now.We have to do something _______ it.（ ）
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九年级·英语·选择题问答/审问
---I am going to sell all your old books.They are taking up a lot of space. ---______ !They're everything to me.If you sell them,you will take my life.（ ）
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九年级·英语·选择题情态动词
---You _______ take photos here!Look at the sign.It says"No photos". --- Sorry,I won't.（ ）
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九年级·英语·选择题感叹句
---Our class won the first prize in today's basketball match. ---_______ exciting news it is!We're all glad about it.（ ）
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九年级·英语·选择题问答/审问
---Shall we go out and do some outdoor activities？ ---_______.（ ）
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