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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
We______(赢)the basketball game.
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The little girl is______(数) from one to fifty.
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The Eiffel Tower is the tallest tower in Paris. It is 324 meters tall. It took two years to build this wonderful tower and it was finished in 1889. Now the tower is painted every seven years. Every year, almost 7,000,000
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France is in Western Europe. It is a country with many beautiful places. Paris is the capital of France. Here you will find many famous places of interest such as (1) You can go to the Louvre Museum if you like (2) The m
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请根据以下提示,写一篇80词左右的文章介绍我国著名的水稻专家袁隆平.内容包括: (1)1930年9月7日出生在重庆的一个贫困农民家庭; (2)1953年毕业于西南农学院,之后被分配到湘西农校任教; (3)1964年开始从事杂交水稻研究,1981年荣获我国第一个国家特等发明奖,被国际上誉为"杂交水稻之父"; (4)生活简朴,不计名利. 参考词汇:杂交水稻Hybrid Rice; 农学院Agricultural College .
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His sister is going to m______ a businessman next week. She will be a wife soon.
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My brother is a soldier. He joined the a______ five years ago.
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I missed the exciting match last night. What a p______ !
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Li Bai, a great ancient Chinese poet, wrote many wonderful p______.
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Laziness is our biggest e______ at study.
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True friends can share h______ with each other.
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These foreign friends are G______.
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Is this the person that they m______at lunch time yesterday?
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I reached the hotel at 7.(同义句) I______ the hotel at 7. I______ the hotel at 7.
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There are many vineyards in the centre of France. (对画线部分提问) ______ in the centre of France?
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Faku lies in the north of Shenyang . (对画线部分提问) ______ Faku______?
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People buy flowers and make cards on Mother's Day. (对画线部分提问) ______ People______ on Mother's Day?
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I went to Germany to visit Uncle Li last year. (对画线部分提问) ______ you______ to Germany last year?
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Why don't you play basketball? (同义句转化) Why______ basketball?
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There are many places of interest in France. (同义句转化) There are many______ in France.
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