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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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《鱼我所欲也》写作特点、写法、结构: 第一段作者用 ______ 的方式引出 ______ 的观点,并分别从 ______ 面和 ______ 面加以阐明。 第二段运用的论证方法是 ______ 。作者先以 ______ 为例,从 ______ 面论证人人都有“本心”;再以 ______ 为例,从 ______ 面论证失去“本心”的人的可悲可耻。这里,作者又运用了 ______ 的论证方法。 孟子散文的语言特色: ______ 。
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《鱼我所欲也》一文中第二段用了哪些论证方法?有什么作用?
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Many middle school students don't know how to spend their free time. When they have holidays, they always have nothing to do and feel bored. Some may play computer games all day long and some may stay in bed and sleep al
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My name is Millie. I am 14 years old and I study in No. 1 Middle School of our town, I usually ________________ up at 6: 15 in the morning. I have breakfast ________________ home, but I have lunch at school. My school is
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My name is John. Brown. I'm from the US. I'm 12 years old, I'm short and fat. I have short hair. I live with my family in a flat close to some 【 1 】 (mountain). My mum is from 【 2 】 (Japanese). She is 【 3 】 Art teacher.
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郎朗新专辑 Piano Book World-famous Chinese pianist Lang Lang released his new album ( 专辑 ) Piano Book in New York on Tuesday, April 9, 2019. He wants to share his thoughts on piano playing and music education. The album consi
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辛鑫夺冠 Chinese swimmer Xin Xin won the first gold medal for China in open water swimming at the 18th FINA World Championships on Sunday in Gwangju, Korea. The time was on July 14, 2019. It was really exciting news. The 22
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阅读下面的文章,完成下列小题。 守山人 张小萌 ①甘河镇的山,初见的人定是不会喜欢的,偏大的土包罢了,不巍峨,不峥嵘。时间久了,就明白这山的好了,一座连着一座,仿佛是看不到头的远。她是安静的,平和的,像母亲的怀抱,温暖舒适。山与山之间有时会出现一处缓坡,往往有溪水流过,一股炊烟在大山深处的山脚下突兀而出,青天白云下,十分扎眼,一座木制的房静静地立在小河旁。 ②“老康呦,我退休了,明个儿回镇上。”看不见人影,苍老的声音从密林深处传来。屋里
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下面是“感动中国2018年度人物”马旭的主要事迹和《感动中国》组委会给她的颁奖辞,请你仿照颁奖辞的形式,为“植树的牧羊人”写一段颁奖辞。 少小离家乡音无改,曾经勇冠巾帼如今再让世人惊叹。以点滴积蓄汇成大河灌溉一世的乡愁,你毕生节俭只为一次奢侈,耐得清贫守得心灵的高贵。
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文学常识填空。《三顾茅庐》选自《 》,作者 ,名 ,号 , 人,该小说以 为主线来展开情节,为古典小说的人物画廊贡献了众多鲜明的形象,它在人物塑造上的成就,标志着中国古典小说人物塑造的新发展。
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阅读理解青梅煮酒论英雄①玄德也防曹操谋害,就下处后园种菜,亲自浇灌,以为 韬晦之计 。关、张二人曰:“兄不留心天下大事,而学小人之事,何也?”玄德曰:“此非二弟所知也。”二人乃不复言。② 一日,关、张不在,玄德正在后园浇菜 ,许褚、张辽引数十人入园中曰:“丞相有命,请使君便行。”玄德惊问曰:“有甚紧事?”许褚曰:“不知。只教我来相请。”玄德只得随二人入府见操。操笑曰:“在家做得好大事!”唬得玄德面如土色。操执玄德手,直至后园,曰:“玄德
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比较阅读下面两篇文章,回答问题。 (甲)乡愁 余光中 ①小时候, 乡愁是一枚小小的邮票, 我在这头, 母亲在那头。 ②长大后, 乡愁是一张窄窄的船票, 我在这头, 新娘在那头。 ③后来啊,测 乡愁是一方矮矮的坟墓, 我在外头, 母亲在里头。 ④ 而现在, 乡愁是一湾浅浅的海峡, 我在这头, 大陆在那头。 (乙)沙田山居 ① (节选) 余光中 ①书斋外面是阳台,阳台外面是海,是山, 海是碧湛湛的一弯,山是青郁郁的连环。 山外有山,最远的翠
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阅读理解 Body language is the quiet, secret and most powerful language of all! It is said that our body movements communicate about 50 per cent of what we really mean while words only express 7 per cent. So while your mouth
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阅读理解 If the eyes are the windows of the soul, then the body is the mirror of our feelings. If we are feeling great, we may give our body signals. If we look at someone else's body, we can often tell how he or she is feel
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根据材料内容,选择正确答案。 Sandwich was an Englishman. He lived in the 18th century. Sandwich was rich(有钱的), but he liked to play cards for money. He often played for 24 hours, and didn't even stop to have his meals. He ordered his
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阅读下列短文,从下面每小题的A、B、C、D四个选项中选出最佳选项。 Shaking the head doesn't always mean the same in different countries. Maybe some visitors would be surprised when they first come to India. When they talk to an Indian, they would find h
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阅读下面短文,从每题所给的A、B、C、D四个选项中选出能正确回答所提问题或完成所给句子的最佳答案。 Once, a man travelled on a train. He felt hungry and got off at a station to look for food. He bought the food in a short time but the train had gone away. It was getting
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阅读下面短文,从每题所给的A、B、C、D四个选项中选出能正确回答所提问题或完成所给句子的最佳答案。 If the eyes are the windows of the soul, then the body is the mirror of our feelings. If we are feeling great, we may give our body signals(信号). If we look at someone els
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根据短文理解,从给出的A、B、C三个选项中选择最佳答案填空。 All parents love their children. Many parents want their kids to (1) well-known people when they (2) . Most of them want their kids to live better than others. Many of them (3) their kids w
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阅读下面短文,从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 People use different ways to communicate. We communicate with each other not only through (1) but through body language. Because body language is so (2) , you have to know what yo
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