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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
The Creative(创意的) Pictures on T-shirts Jim\’s mom has a clothes shop.Jim goes there to (1)______his mom to sell clothes at weekends. On a Sunday morning,Jim doesn\’t go to school and he feels bored(烦闷的) at the store.He l
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His story is very and it makes everyone laugh.( )
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-- your father free on Saturdays? --No,he always has much to do at weekends.( )
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—How is your grandfather? —He is .And he can play football .( )
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Simon is a football player and he plays football very .( )
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It snowed ______(heavy) last night and the trees are covered with snow.
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--Can I see your pictures from the winter holiday ? --Of course! ( )
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- is your jacket? -It is purple.( )
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I am Peter.(改为同义句) ______ ______is Peter.
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Please take ______ (this) things to your sister.
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米莉被称为"小天使",因为她总是乐于助人. Millie ______ "little angel",because she ______ help others all the time.
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A.shoes B.is C.my D.It E.books F.tidy G.These H.This I.black J.new K.at L.am Hello, (1)______ name is Li Jun.I am from Jilin.I am a(2)______student in this school. (3)______is my new schoolbag. (4)______is on the desk.My
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December is the ______ month of a year.( )
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all over the world ; make friends with ; I ; people; want to ; from; young .
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at; we; have morning break ; 9:50a.m .
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根据中文句子和英文提示写出英文句子 【1】北京是中国的首部。(the capital of) __________________________________________________________________________________ 【2】我能用英语和朋友们交谈。(talk with, in English) ___________________________________________________
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-Why do you often go to school on foot? -Because my home is the school. It only takes 5 minutes to walk to school.( )
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______(百)of cars are driving on the road so there is a traffic jam at the moment.
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这个单词是什么意思啊? ______does this word ______?
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要成为一名警察,你需要强壮的身体和坚强的意志.(need) ______
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