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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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八年级·英语·填空题历史文化类阅读
There are many islands in the Pacific O ______.
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八年级·英语·填空题同位语从句
Please write down those ______ names. （加拿大人）
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八年级·英语·选择题同位语从句
You can\’t see Jane here.She_______the guests around our school at the moment.（ ）
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八年级·英语·填空题状语从句
touch basketball a start them old because good with busy help so My best friend is my cousin,Luke.He is two years（1）______than me.I am twelve years old and he is fourteen now.He is taller than me.He is very friendly and
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八年级·英语·填空题表语从句
阅读下面短文,在空格处填入一个适当的词或使用括号中词语的正确形式填空. Many people dream of traveling into space,but it costs too much （1）______ （make） that dream come true. （2）______ （luck）,here is a chance for people who love exploring space.An unusual
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八年级·英语·选择题表语从句
Look! The sunlight can come in the windows and warm up the whole living room.（ ）
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八年级·英语·选择题表语从句
-Do you know the population of Japan? -Sorry,I\’m not sure.But it\’s______ than that of India.（ ）
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八年级·英语·选择题祈使句
Please ________ here on time.Our teacher tells us ________ late for school.（ ）
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八年级·英语·填空题祈使句
Let\’s meet ______ time next week.I\’m not available.
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八年级·英语·选择题过去将来时的被动语态
—Do you know each other? —Yes,of course.And we have been friends we first met.（ ）
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八年级·英语·选择题过去将来时的被动语态
My grandpa used______in the city,but now he lives in the countryside.（ ）
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八年级·英语·选择题过去完成时的被动语态
-I was told that Oliver Twist to the orphanage. -Right. Poor little boy.（ ）
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八年级·英语·选择题过去完成时的被动语态
In the 1950s in the USA， most families had just one phone at home， and wireless phones _______ yet．（ ）
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八年级·英语·填空题一般过去时的被动语态
Miss Hawk shares some useful ______[ədˈvaɪs]on how to improve our listening.
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八年级·英语·选择题一般现在时的被动语态
A year has four seasons and it ___ into twelve months.（ ）
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八年级·英语·填空题语法
第一节:阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从各小题的四个选项中选出一个最佳答案,使短文连贯完整. One day,a boy had a fight with one of his（1）______.Then he went to his father and told him what happened."He is really bad," the boy said, "and I dislike him. Hi
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八年级·英语·填空题语法填空
One day a donkey and his owner were walking down the road.They met a（1）______ on the road. The traveler wanted to hire the donkey.The owner agreed to have the donkey（2）______ the man to the next village. The traveler cli
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八年级·英语·选择题阅读判断题
---Are your parents against your leaving home to work in Shanghai? ---________.They say there are more chances in big cities.（ ）
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八年级·英语·填空题阅读填空
When you feel u ______,hang out with friends and enjoy a big meal.
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八年级·英语·填空题配对阅读
Swifts（雨燕） live mostly in the air.These small birds are among the fastest animals on Earth.In fact,swifts can go two or three days without touching the ground!To get used to life in the sky,swifts use their speed and the
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