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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·选择题时态辨析
Ben had a broken arm_______a motorcyclist knocked him down in the street.（ ）
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九年级·英语·填空题祈使句
这灰蒙蒙的天表明一会儿就要下雨. The ______ shows that it will rain later.
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九年级·英语·填空题祈使句
can\’t,I,operas,stand,soap ______.
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八年级·英语·填空题祈使句
Tom\’s mother wants him ______to bed early. （go）
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八年级·英语·选择题祈使句
—Excuse me,can you show me the way to the nearest supermarket? —Sure. down that street,you\’ll see it on your right.（ ）
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八年级·英语·填空题there be 句型
There is a post office across f ______the bookshop near here.
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七年级·英语·选择题祈使句
My Maths teacher asked me another way to solve the problem.（ ）
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七年级·英语·填空题祈使句
fun,are,half,trip,woke （1）______up,or（否则） you will be late for school. （2）Suddenly,he ______and fell. （3）The fruit won\’t ______ ready till August. （4）Who is the ______boy in your class? （5）Peter cut the apple in two ___
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七年级·英语·填空题祈使句
Your sister is writing a letter to ______（介绍） herself now.Please be quiet.
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七年级·英语·填空题语法填空
Can you tell me what the ______（罪犯） looks like?
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八年级·英语·填空题语法填空
Please do it in different ______（way）．
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七年级·英语·填空题语法填空
Please don\’t be ______（noise）．The baby is sleeping．
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八年级·英语·填空题语法填空
在印度的一些地方,人们用手指拿食物吃.（完成译句） In parts of India,people use their fingers to ____________the food.
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九年级·英语·填空题首字母阅读填空
How do you get to school？Do you walk or ride a bike？Do you go by bus or by train？F（56） many students，it is easy to get to school．But for the students in one small village in China，it is d（57） ．There is a very big river b
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八年级·英语·填空题语法填空
We really had a ______/fæn\’tæstɪk/time while watching that interesting film.
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七年级·英语·选择题语法填空
It\’s important________more in your learning.（ ）
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七年级·英语·填空题语法填空
Once upon a time,there was a wild donkey （驴） and a tame donkey. The wild donkey was thin and small.He spent his life outdoors.The grass on the hill was his food all the year round.Sometimes,he had to walk miles to find f
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八年级·英语·选择题教育文化类阅读
Peter thought that if they could not escape on the kangaroos,they would be done for .The underlined part means "________".（ ）
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七年级·英语·填空题教育文化类阅读
The summer vacation is a time to enjoy a change from the school year．It\’s a good chance to work on different activities that you don\’t have much time to do during the rest of the year． We asked about 2,000 people what
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九年级·英语·填空题教育文化类阅读
—The oral English test for the senior high school entrance examination is about to start. —To get high marks,we will pay more attention to ______ （improve） our pronunciation.
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