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高频错题
#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|}=
精选练习题目
We have fun ______ (learn) something about animals.
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Tel:873-8878 Dessert House We have three kinds of desserts:small,medium and large.A small dessert with strawberries,bananas and ice-cream is RMB 10.A medium dessert with apples,tomatoes and cheese is RMB 12. A large dess
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My family went to Shanghai Disneyland ____________.( )
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Tommy often ______ a movie on Saturday morning,but now he is ______.( )
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The boy is studying____ a test.
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with visit happy tiring stay evening beach shop watched busy Last weekend was a(1)______time for our family.On Saturday,my parents went(2)______for clothes at the mall.My brother Gray played basketball(3)______his friend
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It\’s Saturday.Look at what these people are doing. City Weather Activity (活动) New York Ann is shopping with her mother.She wants to buy a shirt for her father. Shanghai Yang Ling is talking with her friend on WeChat.The
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The heavy rain made it ______ to go outside.(possible)
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—Please write __________ "U" and __________ "N" on the blackboard. —OK,sir.( )
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Last weekend was a busy time for our family.On Saturday my parents went shopping for clothes.My brother Gray played basketball with his friends.My sister Gina stayed at home in the morning and played the piano.I stayed a
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Mike stayed at home and ______(study)for the test last Sunday.
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请从方框内选择适当的词并用其正确形式填空,使文章完整连贯.注意每空一词,每词仅用一次,有两词为多余项. point too remember help we kind in so awake teacher knowledge heart Last Friday morning,we had a Chinese lesson.Our teacher asked us a question, "Who is the best (1)___
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用方框中所给单词的适当形式填空,使短文意思完整正确.(每个单词限用一次.每空限填一个单词.) beautiful have our are year My name is Lily.These years,our school has many changes(变化).Six(1)______ ago,our school was small.The playground was small,too.There(2)______ no
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为了了解七年级新生对新校园的印象,我校在英语活动周开展了题为"My New School Life"的征文活动.请你根据以下提示,写一篇英语短文. (1)Introduce yourself:name,age,personality(性格),hobby and what can you get from your hobby? (2)Your school: How many buildings are there in your sc
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Did your teacher ______(给) you any books about animals?
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假设你时照片中的小女孩然然,根据下面的提示,介绍一下你的家人.词数50左右. 提示:然然的爸爸是一位医生,他喜欢钓鱼,妈妈是一位教师,她喜欢读书.爷爷喜欢中国象棋,奶奶喜欢园艺.哥哥和然然都是学生,哥哥喜欢打篮球,他每天放学后都和同学去打篮球.然然喜欢看电视.他们彼此相亲相爱,互相帮助. ___________________________________________________________________________
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下面是Jane的房间,请你根据图片,帮她描述一下房间内物品的摆放情况. 提示词:dresser(梳妆台) 要求: (1)可以适当增加细节,以使行文连贯. (2)不得出现真实的人名、校名、地名等相关信息. (3)60词左右(开头已给出,不计入总词数.) Look!This is Jane\’s room._________
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I am in ______.(七年级五班)
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假定你是Bob.请你根据下面的照片,向大家介绍一下你的家人. 要求: (1)开头已给出,不计入总词数; (2)语句通顺,意思连贯,书写工整; (3)词数:60左右. 参考词汇:drawing,swimming,piano,football,… Hello,I\’m Bob.Here is a nice photo of my family.________
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假设你是John,请你用英语写一篇小短文向全班同学介绍一下你和你父母的情况.内容包括: (1)你今年13岁,在第九中学初一8班就读,并描述你的爱好; (2)你父母的工作; (3)你最喜欢紫色,你的紫色书包里面有一串钥匙、一本英语书和一幅中国地图. (4)你的联系电话是986-1314,电子邮箱地址为John@163.com. 写作要求: (1)不得在作文中出现真实的学校名称及学生的真实姓名; (2)语句连贯,注意分段,不少于50词.开头
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