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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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九年级·英语·填空题Unit 2 I think life is better today.
选词填空 heat, love, programme, afford, advantage 【 1 】 It is difficult for a young man to ________ to buy a house because the price is too high. 【 2 】 Could you tell me some __________ of life today compared to that in the
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九年级·英语·阅读理解Unit 1 They sometimes work harder.
Everybody is afraid of something. That’s what more than 1,700 kids told us when we asked them about fears and scary( 害怕的 ) things. We gave kids a list of 14 scary things and asked which one frightened them most. Here are
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九年级·英语·填空题Unit 1 They sometimes work harder.
When I was a boy, every holiday that I had seemed wonderful. My parents took me by train or by car to a hotel by the _______ . All day, I seem to remember, I _______ on the sands with strange _______ children. We made ho
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九年级·英语·填空题Unit 1 They sometimes work harder.
Nowadays, more and more people are in poor health. If we want to keep healthy, we should have a good 【 1 】 ( eat) habit. First, we should have 【 2 】 balanced diet( 平衡饮食 ). It means we should have 【 3 】 (difference) kinds
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九年级·英语·填空题Unit 1 They sometimes work harder.
选词填空 deaf, simple, speak up, do, medicine 【 1 】 Some people think life in the past was ________ and healthier than today. 【 2 】 Now people live longer than they _________ in the past. 【 3 】 In the past, people could easi
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九年级下·语文·问答题月夜
读《月夜》，此诗中实有三种月夜境界：
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九年级下·语文·问答题月夜
比较三单元三首咏月诗的异同。
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九年级下·语文·语言表达月夜
理解诗中词语。云鬟：清辉：虚幌：双照：
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九年级下·语文·诗歌鉴赏月夜
阅读下面古诗遣兴[清]袁枚爱好①由来落笔难，一诗千改始心安。阿婆还是初笄女②，头未梳成不许看。[注释]①爱好（hǎo）：追求艺术价值高的诗作。②初笄（jī）女：刚成年的女子。（1）从内容来看，这是一首什么诗？（2）谈谈你对“阿婆还是初笄女”的理解。
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九年级·英语·阅读理解Topic 1 China attracts millions of tourists from all over the world.
Pingyao is one of China’s three protected ancient cities (the other two are Xi’an and Jingzhou). Lying in the middle of Shanxi Province, 90 kilometers south of Taiyuan, Pingyao ancient city used to be about two hours’ dr
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九年级·英语·填空题Topic 1 China attracts millions of tourists from all over the world.
Hong Kong June 5, 2002 Dear Jamie, I’ve been in Hong Kong for three days now, and I’m having a great time. It’s a very exciting c 【 1 】 , and very different from London. Yesterday my friend s 【 2 】 me around Hong Kong. I
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八年级·英语·填空题Unit 2 Water
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）： Water is very important for living things. Without water there can be no 1 【 1 】 on earth. All animals and plants need wate
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八年级·英语·填空题Unit 2 Water
Choose the words or expressions and complete the passage ( 选择最恰当的单词或词语完成短文）： Mrs Wilson, the middle-aged wife of a rich businessman, invited some of her friends to lunch. She was very anxious to try a new way of cooking
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八年级·英语·阅读理解Unit 2 Water
Choose the best answer ( 根据短文内容，选择最恰当的答案）： When the weather is hot, you go to a lake or an ocean. When you are near a lake or an Ocean, you feel cool. Why? The sun makes the earth hot, but it cannot make the water very h
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八年级·英语·句型转换Unit 2 Water
Rewrite the following sentences as required ( 根据所给要求，改写下列句子。每空格限填一词）： 【 1 】 Few students went to the cinema yesterday. ( 改为反意疑问句） Few students went to the cinema yesterday, ______ ________ ? 【 2 】 All of the boys in my c
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八年级·英语·填空题Unit 2 Water
Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子）： 【1】Grace gave the room a thorough_____this morning, (clean) 【2】Bob is good at_____. He often makes more money than others, (busy) 【
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八年级·英语·填空题Unit 2 Water
One day at Bluesea Middle School in Hong Kong, about 450 students and teachers went without water at lunchtime. They were in a meeting to learn about saving water. The school also collected about HK $ 10,000. The money w
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八年级·英语·填空题Unit 2 Water
A. undrinkable B. survive C. resources D. breathe E. oxygen People can imagine life without water. Without it, the earth we live on would be a dead one. There would be no trees, no crops, no animals and no people. So wat
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八年级·英语·选择题Unit 2 Water
Since there are not_______apples for all of us, I’ll go to the supermarket to buy______
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七年级·英语·阅读理解Unit 8 collecting things
Many parents today worry about their children's diets. Then what is a healthy diet for children? Miss Jones from Happy Children Hospital gives the following advice: ◆Children shouldn't eat food with too much salt, becaus
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