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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·选择题一般过去时的被动语态
Gina went to the doctor's yesterday and she ______ to take medicine on time.
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九年级·英语·选择题关系代词which引导限制性定语从句
The shoes_________ I bought yesterday cost me ten dollars.
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七年级·英语·选择题感叹句
______ exciting news it is!（ ）
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九年级·英语·选择题表示转折关系的连词,从属连词辨析,并列连词辨析
Alice can sing some English songs,_________ she can't play the guitar.
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八年级·英语·选择题代词辨析,复合不定代词
—Would you like ______ to drink? —No, thanks.
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七年级·英语·solution物主代词
Where does Alice sit? ______
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七年级·英语·solution人物故事类阅读
I\’m John.I\’m 12 years old and 1.5 meters tall.Tom is my good friend.He is younger than me.But he is 0.02 meters taller than me.We usually play sports together on Saturday.Both of us like playing badminton best. But las
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七年级·英语·solution日常生活类阅读、应用文、文中细节
Look!This is our new school!You can find three buildings and a playground.It\’s not very big,（1）______ it\’s really beautiful.We love it very much! As a new student of junior high,I make some plans.Firstly, （2）______ man
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七年级·英语·solution判断推理
Look at that boy.Who is he?He is my friend.His first name is Tom.His last name is Green.These are Tom\’s family.They are his grandparents,his parents,his brothers and his sister.He lives（居住）in Beijing with them.His broth
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七年级·英语·solution判断推理
Good morning,everyone!I\’m Sarah.My （1）______ name is Sarah White.I\’m thirteen years old.I\’m a student in a （2）______ in Xi\’ an now. Amy is my twin sister.She is （3）______ years old too.She is my classmate.We are in t
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七年级·英语·choice日常生活类阅读、记叙文、判断推理
Lucy and Lily are sisters.______of them are middle school students.（ ）
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七年级·英语·solution补全对话
I joined the music club because I can sing and dance beautifully. （对划线部分提问） ____________ you join the music club?
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七年级·英语·solution宾语从句
The book isn\’t here.Where ______（其他的,别的） should I look?
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七年级·英语·solution日常生活类阅读
Can you help me?I can\’t find my two sisters:Linda and Mary.Linda is six years old.She has a long face,big eyes and a wide mouth.Her hair is short and black.She is tall.She is in a yellow dress and white shoes.My little
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七年级·英语·solution日常生活类阅读、记叙文、文中细节
Liang Xiang likes ______ ______ music.
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八年级·英语·solution一般将来时
enjoy ______
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八年级·英语·solution单词、词组、一般过去时、现在进行时、单词填空
Mr Wu invited Linda to ______（take part in） the school trip to the World Park.
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八年级·英语·solution日常生活类阅读
As we all know,everything has a name. （1）N ______are very important.We use them everyday.When we（2）m ______a new person,we usually ask " What\’s your name?" However,different people have different names.It\’s （3）d ______
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八年级·英语·solution补全对话
A too B.with C.visit D.cheap E.gifts F.right G.If H.put I.get J.but K.saying L.flowers When your birthday comes,you may have a party with your friends.Some of them bring（1）______for you.Do you know how to give and（2）____
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八年级·英语·solution形容词词义辨析、记叙文、人物故事类阅读、判断推理
I was very shy when I was a little boy．I was different（1）______other students so I didn\’t have friends．When I started high school a few months ago,I（2）______to change （改变）myself and make friends．However,it\’s（3）______sa
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