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#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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八年级·英语·填空题Section A
CCTV New Year’s Gala( 春晚 ) is a Chinese New Year special produced by China Central Television. The program begins at 8 ; 00 PM and _______ (last) until about 1:00 AM on the first day of the New Year. _______ program has
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八年级·英语·填空题Section A
用括号中所给单词的适当形式填空 【1】Russia is a __________ (wonder)country. 【2】I want to find another job. Because my job is too__________ (bore). 【3】The film was quite ___________(enjoy), so I liked it very much. 【4】I think going to a b
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八年级·英语·单词拼写Section A
根据句意及首字母或汉语提示完成单词 【1】My friend Bob likes to watch c__________ and other TV shows for children. 【2】I like Jackie Chan and his a__________movies. 【3】—How do you like the comedy last night? —I don't like it at all. It is __
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八年级·英语·阅读理解Section A
Spiderman is one of the most famous comic book heroes all the time. He was created by Stan Lee in 1963 and was first introduced to the world in the pages of Marvel comic books. Spiderman is the story of Peter Parker, a c
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八年级·英语·阅读理解Section A
The Princess and the Frog Tickets Information Dates: 30th July—8th August Mon.—Fri.10 am, 7 pm Sat.—Sun.10 am, 2 pm, 7 pm Theater: Esplanade Theatre Duration: 1.5 hours Ticket prices: $25 every child or adult(day shows)
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八年级·英语·填空题Section A
用方框中所给短语的适当形式填空 find out; think of; all kinds of; learn from; have a discussion 【1】Last week our class __________about the ways to get relaxed. 【2】Can you __________the differences between the twins? 【3】In spring, our ga
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八年级·英语·填空题Section A
用括号中所给单词的适当形式填空 【1】They plan__________ (have)a big party for their son's birthday. 【2】Do you mind__________ (open)the window? 【3】My sister expects me __________ (teach)her to play chess. 【4】Our teacher often tells us to
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七年级·英语·选择题Section B
-We have a party this evening. - （ ）
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七年级·英语·选择题Section B
My mother's birthday is on____．（ ）
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七年级·英语·选择题Section B
- is Mary's birthday？ -It's on April 20th.（ ）
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七年级·英语·单词拼写/单词释义Section B
month children three be twelve June 1st is ______ Day. Tom and Gina ______ five years old. I am twelve years old and today is my ______ birthday. March is the ______ month of a year. My sister Jenny is only five ______ o
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七年级·英语·填空题Section B
When is your ______ （mother） birthday？
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七年级·英语·单词拼写/单词释义Section B
你姐姐的生日是什么时候？ When is ____________ birthday？
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七年级·英语·单词拼写/单词释义Section B
学校旅行在五月十日。 The ____________is on May 10th.
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七年级·英语·单词拼写/单词释义Section B
你想前来观看这个篮球比赛吗？ Do you want to ____________watch the basketball game？
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九年级·英语·填空题Unit 2 I know that you will be better at maths.
Everyone has his dreams of the future. But do you know w 【 1 】 future really is? I think the future is now. That is to say, we m 【 2 】 treasure ( 珍惜 ) every minute and second. There is an old English s 【 3 】 , ”Gain time
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九年级·英语·阅读理解Unit 2 I know that you will be better at maths.
Technology is developing fast and it has become an important part of our life. Then what will the world be like in the future? 3-D food will be both delicious and nutritious ( 有营养的 ). We can use 3-D printers to print som
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九年级·英语·填空题Unit 1 Here’s to our friendship and the future
There once was a farmer who grew the best corn in his town. One day, his friend Scott asked him 【 1 】 he grew the best corn. The farmer told him that he often gave his good corn seeds ( 种子 ) to his 【 2 】 . “ 【 3 】 do you
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九年级·英语·任务型阅读Unit 1 Here’s to our friendship and the future
配对阅读。左栏是对中国传统文化感兴趣的五位外国学生的描述 , 右栏是中国传统文化活动的简介 , 请为左栏的每位学生选择一个合适的活动。 【 1 】 Lisa becomes interested in traditional Chinese painting and she wants to learn how to paint bamboo in ink. 【 2 】 Alan is from India. He is studyin
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九年级·英语·补全对话Unit 1 Here’s to our friendship and the future
补全对话根据所给对话 , 填写适当的内容 , 使其完整、正确 ( 每空词数不限 ) 。 (Alice and Jack are talking on the phone.) Alice: Hello! Alice speaking. Who's that? Jack: Hi, Alice. 【 1 】 Alice: Hi, Jack. Where are you? Jack:I'm on the bus.I'm going home f
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