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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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七年级·英语·填空题科普知识类阅读
Are the classrooms all the same in the world? In China,children have a fixed classroom.In a classroom,you can see desks and chairs in lines and many other school things in order.There are usually about 40 or more student
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七年级·英语·填空题史地常识类阅读
It\’s time for the new school year again.What do students around the world do on their first school day?Let\’s have a look! Many American students start the new school day by bringing their teachers an apple.It is a trad
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七年级·英语·填空题图表作文
假如你是李华.你在网上看到云南一所学校英语俱乐部成员发布的征集笔友信息.请根据信息内容,给他写一封邮件.（词数 70 左右,开头和结尾已给出,不计入总词数.） An online friend wanted I love sport.I want to find an online friend.Can you tell me something about yourself?How old are you?Who are in you
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七年级·英语·填空题语法填空
（2023七下·铜仁期末） 阅读下面短文, 在空白处填入1个适当的词或括号内单词的正确形式。 Bill from England is in New York now. He 43． （have） a meeting with some people from China, Australia and America in Peterson Building in 3 days. But he doesn't know where th
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七年级·英语·阅读语法填空
（2023七下·沈河期末） 阅读短文, 然后用短文括号中所给词的适当形式填空 A poem about the moon Many people like writing poems to show their 46． （feel）. Li Bai, a Chinese 47． （poem）, was one of 48． （they）. He 49． （write） a famous poem about the Moon. In t
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七年级·英语·选择题时态辨析
—How was your school trip to the science museum last Sunday? —Wonderful. I ______ how to make a model bridge from the robot teacher.
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七年级·英语·填空题语法填空
（2023七下·依安期末） 语法填空 Nowadays（现如今） in 61． （China）, many young people like 62． （eat） fast food. They go to KFC or McDonald's often. Children ask 63． （they） parents to take them there, b 64． they think the hamburgers and fri
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七年级·英语·填空题语法填空
There is a Chinese （1）s ______ about an old farmer who had an old horse for farming.One day the （2）h ______ escaped （逃脱）into the hills and,when all the other neighbours took pity on the old man over his bad luck,the farm
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七年级·英语·填空题阅读表达
Dear David, How are you?I\’m in Beijing now.I like Beijing a lot.I have two good friends here.They are Tom and Wang Xin.Tom is in Class Three and Wang Xin is in Class Two.Wang Xin and I are in the same class.He often（经常）
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七年级·英语·选择题一般疑问句
— he well in Maths? —No,he good at it.（ ）
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七年级·英语·填空题一般疑问句
用T或F判断单词画线部分发音是否相同. ______ There is a c ow near the wind ow of that h ou se.
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七年级·英语·填空题一般疑问句
I stayed at home last night.（改为一般疑问句） ______
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七年级·英语·填空题一般疑问句
写出划线部分在本句中所作成分. I cleaned the room yesterday. ______
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七年级·英语·填空题一般疑问句
The chair is white .（对画线部分提问） ______is the chair?
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七年级·英语·选择题一般疑问句
—______ he from Canada? —Yes,he is.（ ）
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七年级·英语·填空题社会文化类阅读
It\’s our ______（责任,义务） to help the people in need.
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七年级·英语·填空题社会文化类阅读
Emma and Ella are twins（双胞胎）.One day,Emma\’s（1）______Victoria asked Emma, "It is very good to have a twin sister,right?" "Yes.I like to be with Ella all the time.But I don\’t （2）______one thing — Ella and I always have t
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七年级·英语·填空题任务型阅读
Dear Grandma, I\’m sorry to hear that you are sick.So you can\’t join my party and enjoy the birthday cake with us.Are you feeling better now? I\’m writing to say thank you for your gifts.I love the books!I\’m happy to r
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七年级·英语·选择题任务型阅读
Each of the members in the Designing Club a T-shirt at the end of every term.（ ）
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七年级·英语·填空题广告布告类阅读
Lucy:Hello,Alan! Alan:Hi,Lucy.I can\’t find my pen. （1）______ Lucy:OK!What color is your pen? Alan: （2）______ Lucy:Is it in your schoolbag? Alan: （3）______ It\’s not in it. Lucy:Look!A pen is under that chair.Is that you
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