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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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danger smart use be do can it take robot people Robots are becoming a big part of our lives.They(1)______very popular with most people.They have a long history.You may see robots in some science films.They are stronger,f
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Dear Julia, I\’m very glad to hear that you\’re arriving next weekend.Let me tell you how to get to my home.Take a taxi from the airport and go along the highway(高速公路)until(直到…为止) you see a center park on your right.Turn
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—Let\’s take a photo together. —Yeah,it\’s a good way to the wonderful time.( )
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My best friend Connie is two years older than me.We (1)______a lot of time together. Connie has long dark brown hair and her eyes are big and round.People say she is(2)______and looks like a doll.When we go out,people of
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Will you allow your son ______ (watch) TV after he finishes his homework?
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The picture looks amazing.(改为反意疑问句) The picture looks amazing,____________ ?
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If you are looking for a place to spend your vacation,come to Stroud,a small town in England.The town is beautiful with hills around it.You may enjoy your vacation here because it\’s very interesting. There is a nice tow
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There are ______delicious foods in China. (相当多)
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(Michael is talking about exercise with his friend Steve.) A:Good morning,Steve. B:Good morning,Michael. A:(1)______? B:I\’m going to play basketball in the park. A:Exercising is good for our health.(2)______? B:Twice a
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The food in fish and chip shops t ______ delicious.
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阅读短文,从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整.请将答案写在下面题号后的横线上.每空限填一词,每词限用一次. so hold during real well I delicious health activity win My name is David.I am 14 years old and I like sports very much.I like riding my bike,dancing and
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巴黎奥运会比赛后,网球运动员邓钦文说:"从小我就非常想为我的祖国赢得一枚奖牌,这次我做到了."远大的梦想,只有坚持才能抵达. 假如某青少年英语杂志社正在举办主题为"My Dream"的征稿活动,请你写一篇短文参与投稿. 要求: (1)文中不得出现真实校名和人名; (2)不少于80词. My Dream ____________________________________________________________________
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Can you sing,dance,play the guitar or the piano?Come and join in the talent show,and you may get a prize.It\’s on Friday,November 22,2024.It\’s from 7:30 pm to 9:30 pm on the school playground. First place Second place T
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她独自一人生活. She lives ______.
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我们可以从他们的化石了解他们. We can ____________ them from their fossils.
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I used to hate running.At high school I found it challenging to run around the sports field.I was always one of the (1)______ students to cross the finish line.Then,in 2023,my friend asked me to run with him.My (2)______
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根据所给的中文和英文提示,完成一篇不少于50词的英语文段写作.文中已给出内容不计入总词数.所给提示词语仅供选用.请不要写出真实的校名和姓名. 现在每个学校都有丰富的校园活动,如运动会、大课堂、艺术节等.假如你是李华,你的英国笔友Peter对你们的学校活动很感兴趣,他给你发来邮件询问你最难忘的一次学校活动,请你用英语回复邮件,谈谈你最难忘的学校活动是什么,做了什么,再谈谈你的感受. 提示词语:School Sports Day,schoo
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足够的(地) adj.&adv.___
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假定你是张军,你在班里做了一个关于"你最喜欢的电视节目"的调查(A survey about your favorite TV show),下面是调查结果.请你根据调查结果写一篇英语短文,总结一下调查结果,并谈谈你最喜欢的电视节目及原因. A survey about your favorite TV show Name:Zhang Jun Kinds of TV shows Result Reasons Talent shows 20
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Do you like sports?Are you getting enough exercise?Well,if you\’re looking for a way to exercise,try walking. Walking is easy.There are no special instructions,and there are no rules.You just walk—left right,left,right.S
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