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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·solution新闻报道类阅读
International Ice and Snow Sculpture Festival--Harbin,China The yearly International Ice and Snow Sculpture Festival in Harbin is the largest in the world.Some people compare it to a frozen Disneyland,because the festiva
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九年级·英语·solution人物故事类阅读
①Every Saturday night Mama would sit down by the kitchen table and count out the money Papa had brought home. ②"For the rent（房租）."Mama would count out the big silver pieces. ③"For the groceries."Another group of coins. ④
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九年级·英语·solution人生感悟类阅读
Are you good with money?Do you get pocket money from your parents or do you work to earn money?Read on to find out about British teenagers and their cash! Pocket money Most teenagers in Britain receive pocket money from
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九年级·英语·solution人物故事类阅读
Li Yuqi ng once worked as a volunteer teacher in a village in Guizhou.At that time,she was（1）______（surprise） by the situations the children were facing:being separated （分开） with their parents at a very young age；being v
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九年级·英语·solution形容词、派生法
Danny didn\’t sleep last night.So he feels very ______（sleep）today.
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九年级·英语·solution广告布告类阅读
Living in a time with fast-growing technologies,China\’s post-2000 generation has tons of information at their fingertips.They are open-minded and want to build a bridge between cultural d（1）______.Chen Simo,a 21-year-ol
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九年级·英语·choice宾语从句
My father wants to know ________ next week.（ ）
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九年级·英语·solution名词
There was a lovely vegetable patch（菜园）.A large tree grew there.Both the patch and the tree gave the place a wonderful look,and they were the pride of the gardener.But no one knew that the vegetables and the tree couldn\’
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九年级·英语·choice人物故事类阅读
Lily spent the weekend_____________the class notes to prepare for the mid-term exams.（ ）
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九年级·英语·solution日常生活类阅读
Road trips are becoming more and more popular nowadays.Arrive at a place,rent （租） a car and start a free driving trip.But sometimes it\’s difficult to understand road signs that don\’t have any words when you are traveli
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九年级·英语·choice连词成句
Do you have in your schoolbag?（ ）
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九年级·英语·solution人物故事类阅读
Nils was a very naughty little boy.He went to school in winter,and looked after the farm animals when it was summer.He was very naughty.Sometimes he chased the swans and when he caught them,he pulled their feathers off.T
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九年级·英语·choice感叹句
—________fine weather today! —Yes,we can enjoy the sunshine.（ ）
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九年级·英语·choice句型转换
Catherine likes to share what she has with others.How she is!（ ）
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九年级·英语·choice名词
-I didn\’t have the _______ to go out alone at night when I was a little child． -But now you are brave enough．（ ）
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九年级·英语·choice形容词的比较级和最高级
The earlier kids learn to be independent,the ________ it is for their future．（ ）
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九年级·英语·choice人物故事类阅读
Ann can sing well.It seems that she was born ________ a great talent for singing.（ ）
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九年级·英语·solution单词填空
根据短文内容,从选项中选出能填入文中空白处的最佳选项,选项中有一项为多余选项. Driverless cars have long appeared in science fiction movies and books,but with the development of technology,things have changed a lot.（1）______ The development of the driverless
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九年级·英语·solution议论文、社会文化类阅读、文中细节
Almost everyone has experienced the feeling of discomfort when their actions do not agree with their inner values.A man,for example,values work-life balance yet works 80 hours every week,caring little about his own healt
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九年级·英语·solution人物故事类阅读
Just now,Mark a ______ to Tim for fighting with him this morning.
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