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#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·填空题文学作品类阅读

Have you ever woken up feeling that something was wrong. It was a day like that for me. I sat up in bed. A little later I opened the curtains(窗帘). It was terrible weather-the rain was pouring down. Then I looked down int

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九年级·英语·填空题教育文化类阅读

Should Children Be Allowed to Get Bored? Children need time to stand and stare.They should be allowed to get bored so that they can develop their ability to be creative. Children are expected by their parents to be readi

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九年级·英语·填空题教育文化类阅读

Everyone has a beautiful memory about school which is hard to forget.Among many things,relationships are the hardest to leave behind.Some schools try to stop students'puppy love in different ways.Anything about"love"rela

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九年级·英语·填空题教育文化类阅读

According to a recent study,there are about 70,000 blind children in Indonesia.Among them,60 percent were not born blind.Iyehezkiel Parudani is one of them,who lost his eyesight by accident at age six.He now teaches Engl

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八年级·英语·填空题人生感悟类阅读

In choosing a friend,one should be very careful.Sometimes you will meet fair weather friends. They will be with you as long as you have money or luck,but when you are down,they will run away.Do you know how I have found

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八年级·英语·填空题汉译英

为登山者喝彩 ______

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八年级·英语·填空题汉译英

不要在作业中犯这些粗心的错误. Don\’t make these ______ in homework.

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八年级·英语·填空题汉译英

我不赞同你的观点. I don\’t ____________your idea.

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七年级·英语·填空题汉译英

在中国,越来越多的人喜欢汉服. ______ like hanfu in China

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八年级·英语·填空题汉译英

我弟弟总是让我发笑. My brother always ______ me ______.

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八年级·英语·选择题感叹句

great fun it is when we go on holidays together!( )

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七年级·英语·填空题汉译英

王老师教我们英语. Miss Wang ______ English.

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九年级·英语·填空题汉译英

每天至少刷两次牙是个好习惯. It is a good habit to brush your teeth ______ twice a day.

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七年级·英语·填空题汉译英

琳达和我是好朋友.事实上,我们上周还一起吃过饭. Linda and I are good friends. ____________ ,we had dinner together last week.

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九年级·英语·填空题首字母阅读填空

Read the passage ad fill in the blanks with proper words(在短文的空格内填入适当的词,使其内容通顺.每空格限填一词,首字母已给出) Green is an important colour in nature.It is the colour of grass and the leaves on t(65) .It is also the colour of most growin

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words. It was Ted's first day at school in Shanghai.The monitor(班长) took him to the classroom.The students weclcomed him.Some said,"Nice to meet you,Ted."And s said"Wel

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给):(7%) The first time I went to Grand Canyon National Park(大峡谷国家公园),I knew I wanted to work there as a park ranger (公园护林员).Park

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给) People use their mobile phones to play music.You can listen to the radio on your mobile phone,download music onto it and use

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九年级·英语·填空题首字母阅读填空

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给) Have you heard of the term"etiquette"?And do you know that etiquette is not only a useful word but also very useful to unders

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七年级·英语·填空题翻译填空

我的书包在床上. My schoolbag ______ ______the bed.

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