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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动名词、动词短语、现在进行时、汉译英
你想告诉对方久未谋面,可以这样说: ______.
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九年级·英语·choice政治经济类阅读
—Have you heard about the book Stories of China Retold in English? —Of course!It\’s a meaningful book because it helps Chinese culture.（ ）
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九年级·英语·choice动名词、动词短语
Would you mind down the music?It\’s too noisy.（ ）
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九年级·英语·solution科普知识类阅读
People will tell you the only way to really learn a language is to completely immerse（浸入） yourself in a country where that language is spoken.Not all language learners,of course,will have the chance to spend some time in
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九年级·英语·solution小作文
事实上,他是一个好搭档. In fact,he is a good ______.
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九年级·英语·choice科普知识类阅读、其他类阅读、文中细节
—You look so tired.You should get some sleep. —Oh,too much work takes up most of my time.I _________have time to sleep.（ ）
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九年级·英语·choice科普知识类阅读
If you want to be a successful learner,you should ________ the best ways to learn well.（ ）
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九年级·英语·solution情态动词
Many of you must have celebrated Father\’s Day.（1）______ The idea for the holiday began in the 1900s in Washington,the USA.A young woman named Sonora Smart Dodd got the idea from a Mother\’s Day celebration in 1909.Sonor
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九年级·英语·choice过去进行时
—Tim,why didn\’t you answer my phone? —I am sorry!I ________ on the computer.（ ）
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九年级·英语·solution汉译英
对大多数中国人来说,在春节吃饺子是一种传统. For most Chinese,it is a tradition to have dumplings ______ .
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九年级·英语·choice动词、及物动词和不及物动词、疑问句
—How can I get to the library? —Go straight.Then （ ）
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九年级·英语·solution记叙文、史地常识类阅读、判断推理、文中细节
Living in a foreign culture can be exciting,but it can also be confusing（令人迷惑的）.A group of Americans who taught English in other countries recently discussed their experiences.They thought that miscommunications（错误传达） we
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九年级·英语·choice人物故事类阅读
What does Molly want Nick to do?（ ） MESSAGE To:Nick From:Molly Nick,are you free this Sunday evening?I want to go to the movies.Can you go with me?
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九年级·英语·solution日常生活类阅读
He hangs some beautiful lanterns under the roof to attract visitors.（改为被动语态） Some beautiful lanterns ____________under the roof by him to attract visitors.
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九年级·英语·choice日常生活类阅读、记叙文、文中细节
- He is _____ late for school, is he? - No, he isn\’t． In fact, he comes to school earliest in his class every day．（ ）
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九年级·英语·solution说明文
Sports are good for your （1）______ （healthy ）.Playing sports is （2）______（relax） and fun.（3）______ some people go too far.They spend most of their time（4）______（do） sports or （5）______（watch ） sports on TV.Their bedrooms
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九年级·英语·solution人生感悟类阅读、形容词词义辨析
Feelings are part of our lives.We feel happy,sad,angry and scared.It is important to know how to manage them.When we are happy,we can share our joy with others.If we are sad,we can talk to a friend.When we are angry,we s
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九年级·英语·solution宾语从句
Remember,neither your animal sign nor your star sign ______（shape）your life and future.
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九年级·英语·solution记叙文
White was driving home when he noticed the grey pickup truck （皮卡车） among the busy traffic.During the rush hour,the pickup was coming towards White in a（1）______way.As it drew（2）______,White discovered the problem:The dri
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九年级·英语·solution补全对话
Look at the bus route（路线） map and answer the questions. （1）You can get off at ______ to visit Anna\’s Bookstore. A.Stop 1 B.Stop 2 C.Stop 3 D.Stop 5 （2）Tom just finished shopping at Easy-buy Market,and he is going to hav
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