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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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You must keep your eyes _______ while the eraser is passing.( )
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—I don’t care __________. In this camp, there’s only one hairstyle-short! Understand? —Yes, madam!
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—Sir, should I park my car here or underground? —________, please. No parking here.
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— Do you like playing sports or watching TV? — _________.So I often watch soccer games on TV.
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—Do you get to school by bus or by bike? — .It's good exercise.( )
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你想告诉Kate在最近几年泉州发生了很大的变化,可以这样说: ______ in Quanzhou.
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You’d better ________ hard if you want to have a good grade.
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The Monkey King can make 72 changes ________ his shape and size.( )
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His family is so poor that he can't afford his college tuition, so he has decided to____the bank ____a loan.
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Dear Merry, Recently,I have trouble with my study. In school I can't listen to teachers carefully because I always feel tired and sleepy.I don't spend time with friends after class either because I think it's a waste of
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A team is a group of people with a common goal.A school's football team has two goals.One goal is to win.That is what the team wants to do.The other goal is to build character.Character is what a person values,how a pers
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I stopped to watch my little daughter busy playing in her room.In one hand was a plastic phone.In the other hand was a toy broom.I listened as she was speaking to her imaginary friend and I'll never forget the words she
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(2016•烟台)Each Friday,my son′s kindergarten(幼儿园) class has"a prize day".All the children who do well in the week can get a prize.The children have behavior cards.The cards start out green every morning,but are changed fro
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Some English words have more than one meaning.These are called multi-meaning words. Multi-meaning words have the same pronunciation with different meanings.For example,let's look at the word"ball".You could have a"ball"w
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最近媒体对"中国式过马路"这一现象进行了尖锐的批评,请你以一个中学生的角色,写一篇英文短文,对"中国式过马路"这一现象加以评述. 现象 很多人过马路时不看红绿灯 原因 缺乏安全意识,匆忙赶时间,…… 措施 遵守交通规则(你自己的建议……) 提示词:红绿灯traffic lights;缺乏交通安全意识lack traffic safety awareness 遵守交通规则obey the traffic rules 英语试卷第11页(共1
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你的美国朋友John计划来中国旅游.请你根据以下图示,用英语在QQ中给他留言,介绍并推荐你的家乡福建,词数80左右. 要求: 1)必须包含所有提示信息,开头与结尾已给出,不计入总词数; 2)意思清楚,表达通顺,行文连贯,书写规范; 3)请勿在文中使用真实的姓名、校名及提示信息以外的地名. Hi,John,I\’m glad to hear that you\’re planning to travel around China.I\’d
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-Don\’t get near a dangerous animal. -_____It may hurt us.( )
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