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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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Tina tells us the importance of making good ______ (决定),and of being in control of one\’s life.
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At the present time,more and more people love travelling.It\’s a very good(1)______of getting to know new people and cultures and acquiring(获得) experiences.It helps travellers(2)______a lot.Travel can make our minds beco
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She comes to see her mother at the nursing home every two weeks . (对划线部分提问) ____________ does she come to see her mother at the nursing home?
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Look!He is ______(跳舞) .
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Chinese writer Mo Yan has won the 2012 Nobel Prize in Literature(文学).He is the first Chinese to win the prize. Mo Yan was born into a farmer\’s family in Shandong in 1955.He left school to work at the age of twelve,first
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Elizabeth is an 8-year-old girl from UK.She has a big dream—flying to space(太空). In July 2020,Elizabeth saw on the news that NASA(美国宇航局)sent Perseverance Rover to Mars.After that,she became very interested in space scien
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It is a year of ox. My parents gave _____a nice toy ox on New Year’s Day.
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He ______ a worker in a factory two years ago, but now he is a pop star.( )
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—Have you ______ (write) a letter to your mom? —Not yet.
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I want to know ________ you will come back at 8:00 tomorrow.( )
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— he visit the park yesterday? —No,he .( )
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迪士尼经典动画《花木兰》(Mulan)是一部动作片,它源自一个古老的中国故事,它讲述了一个乡村女孩木兰代父从军的故事,请根据以上提示写一个这部电影的影评. 要求: (1)字迹工整,语法正确,包含所有信息点; (2)不少于40词,给出部分不计入总词数. ______
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根据表中信息,以"My Best Friend"为题,写一篇短文,介绍你和你的好朋友Li Hua的相同和不同之处. 提示:We both like.....as.....as.. ...than..the same as....旅游:travel 不同点 相同点 李华 比我矮,但比我跑得快 喜欢打网球 喜欢旅游,上周一起去了泸州旅游 班上最外向的,经常读书比我大声 比我幽默,比我擅长打篮球 我 更安静,喜欢待在家看书和放松 更聪明,更擅
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Tomorrow,the principal will ______a speech,talking about showing kindness and respect in our school community.( )
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史铁生作为一名作家而出名,他的书很受欢迎. Shi Tiesheng ______.His books are popular.
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Cats don\’t seem very friendly.Unlike dogs,they don\’t often play with people and they stay alone for hours.However,a new study shows that cats are just as strongly bonded (建立联系的) to us as dogs. Researchers at Oregon Sta
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When you are feeling unhappy or forget how great you are,there are six ways to make you feel good about yourself. ◆Look in the mirror and say to yourself, "I\’m a special person and there\’s no one in the world like me.I
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swim;quiet;get;by;great;enjoy;we;vacation;and;until Last summer,I traveled with my family to the Hawkesbury River in Australia.It was one of the most unforgettable summer(1)______in my life. Staying by the river helped u
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Robin came to work in our factory ______(几个) months ago.
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-What\’s the woman with a ponytail like? -She doesn\’t talk much, ____________.( )
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