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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
The Turtle was not happy with his life.He wanted so much to (1)______ being a turtle. "I\’m tired of swimming about in the sea and moving around on the beach.Life is not (2)______," he thought. "I want to be able to fly
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他痴迷于物理,长大后成为了科学家. He ______and became a scientist when he grew up.
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你假期有没有做一些有趣的事呢?(完成译句) Did you do ____________ on your vacation?
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Chen Ye is 16 years old.He is (1)______Zhongshan,Guangdong.He (2)______a gold medal for skateboarding(滑板金牌)at the Asian Games in Hangzhou,Zhejiang last year.We have never won gold medal for skateboarding before,so this w
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- I won a free ticket. -Really?It was great!( )
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Some people like dogs because they can help people do a lot of things.Some people like koalas because they think koalas(1)______(be) cute.But I like pigs best of all the(2)______(animal) .Many people say that pigs are la
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Simon enjoys taking p ______in different kinds of after-school activities.
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Hello!I am happy to introduce myself.It\’s nice to meet you in the school. My name is Bruce.I come to China this year.I\’m from Canada.I\’m twelve.It\’s a great thing to live in Beijing with my family.Now,I have a good f
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My classmates and I had a school trip last week.Our teachers went together with us.We went to a mountain by bus.There were thirty-nine students on the bus.(1)______bus was slow but we sang songs on it and we had a good t
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你愿意成为我的朋友吗? ______
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有多少只羊?让我们数一数. How many sheep are there?Let\’s ______.
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We have a dog.When we call him,he to us.( )
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I am a girl pink in the photo.( )
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第一节阅读下面语言材料,从每题所给的A、B、C、D四个选项中选出最佳选项. 以下是某学校六年级四个同学的基本信息以及他们刚学会的问候语(Greetings),请根据信息选择正确选项. Name:Ella Age (年龄):11 Class:3 Greeting:Good morning! Name:Frank Age:12 Class:2 Greeting:How are you? Name:Jim Age:13 Class:4 Gre
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Hi.boys and girls.My name (1)______(be) Sun Yue.Nice (2)______(meet) you.I am a mother of two children.I have a son (3)______a daughter.Look!Here is a photo of(4)______(they).My daughter is 8 years old.(5)______(she) nam
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What do students always do on weekends?The answer(答案) is not the same.(1)______Some students like staying at home.(2)______They want to take part in some activities.Judy and Jenny usually finish their homework on Friday
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英语课上,老师要求同学们用英语介绍自己最好的朋友.请根据下图内容,以"My Best Friend"为题写一篇短文. 要求: (1)要点提示均须涉及,可适当增加内容; (2)文中不出现真实姓名、校名、地名; (3)词数 80左右. My Best Friend _____
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--- To the students, what should the teacher_____at school? --- Of course the ways they study, I think.( )
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假设您有一个朋友叫Daniel,请你根据表格内容写一篇文章,介绍一下他的情况. 外貌 班上最高的男生;方脸;带着小圆眼镜;总是面带笑容,看上去很友好 性格 乐于助人,他经常......; 幽默,经常....... 学校生活 就读于男女混合的学校; 学校每天8点开始,4点结束; 每天一小时的家庭作业; 最喜欢的学科.......,因为......; 各种各样的课外活动和俱乐部,学生可打篮球、唱歌...... 未来计划 ...... 要求:
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同学们,旅行已经成为我们生活中的一部分.每个同学应该都有比较特殊或难忘的旅行经历吧,那么对你来说旅行意味着什么呢?某校对200名学生进行了调查,发现同学们对旅游有不同的看法和感受.请你用两段话写一篇短文,第一段用百分比简要介绍图表内容,第二段用自己的亲身旅游经历说明你对旅游的看法. 注意: (1)文中必须包括全部内容要点,可适当发挥; (2)文中不得出现真实的人名和校名; (3)词数:80-100. 提示词:unforgettable,
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