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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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九年级·英语·填空题Unit 1 If I start after dinner, I’ll finish it before I go to bed.
用括号中所给单词的适当形式填空 【1】If the weather permits，we __________(plant)trees tomorrow. 【2】When we are tired，we should stop _________(have)a rest. 【3】My mother always wants me _________(do)my schoolwork before supper. 【4】My big br
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九年级·英语·单词拼写Unit 1 If I start after dinner, I’ll finish it before I go to bed.
根据句意及汉语提示完成单词 【1】I want to be a _______(志愿者)to help homeless people. 【2】Because the students will have an ________(考试)tomorrow，they are studying hard. 【3】—Can you play any musical _________ (乐器)? —Yes，I can. 【4】It's ____
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九年级·英语·填空题Unit 3 Language in use
Ⅱ．用所给单词的适当形式填空 【1】Today lots of manmade satellites ______（send） up into space． 【2】Tan Qianqiu's name ______（remember） by all Chinese people． 【3】Vegetables，eggs and fruit ______（sell） in this shop． 【4】The flowers ______（
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九年级·英语·选择题Unit 3 Language in use
Lu Xun is known _____not only a great writer but also a great thinker.
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九年级·英语·选择题Unit 3 Language in use
Usually students ______ two minutes to write down their names before an exam．
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九年级·英语·选择题Unit 3 Language in use
The foreigners enjoyed themselves in Jiuzhaigou and they were all ______ with the trip．
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九年级·英语·选择题Unit 2 It is still read and loved.
He is the only person ______ in his family after the earthquake．
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九年级·英语·选择题Unit 2 It is still read and loved.
All the athletes ______ the nice service during the London Olympics．
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九年级·英语·句子翻译Unit 2 It is still read and loved.
谁是中国最著名的剪纸艺术家？ ______
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九年级·英语·单词拼写/单词释义Unit 2 It is still read and loved.
Boys and girls，what kind of books do you like reading？A classic (1) （小说）in the USA stands out by talking about real life problems．To Kill a Mockingbird（《杀死一只知更鸟》）is a Pulitzer Prize winning book written by Harper Lee． Th
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九年级·英语·阅读理解Unit 2 It is still read and loved.
J．K．Rowling is the writer of Harry Potter，which is now one of the bestsellers in the world．J．K．Rowling was born in Bristol on July 31st,1965．She has one sister who is two years younger than her．Both girls loved listening
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九年级·英语·填空题Unit 2 It is still read and loved.
用所给单词的适当形式填空 【1】Jin Yong is a famous ______（write） of the time． 【2】No student in this class is from the______（south） part of China． 【3】Who was the most famous scientist in the ______（nineteen） century? 【4】His grandfather
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七年级·英语·连词成句Unit 1 School and friends
a, Susan, has, face, round ___________________________________________________________ .
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七年级·英语·连词成句Unit 1 School and friends
middle school, I, a, student, am ___________________________________________________________ .
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七年级·英语·填空题Unit 1 School and friends
I like collecting stamps very much and I have collected all kinds of stamps for years. One day, while 【 1 】 (I) friend Jimmy was appreciating( 欣赏 ) my stamps at my home, he knocked down the cup. The w 【 2 】 poured over t
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七年级·英语·任务型阅读Unit 1 School and friends
With the development of the society, the level of our life has improved. We have all kinds of food to choose from. However, we all waste food, you and me, every day, millions of tons of it. In China, plenty of food is wa
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七年级·英语·填空题Unit 1 School and friends
There are purple clothes, purple handbags, purple bicycles, purple furniture, even purple computers! So purple is one of the most _____ colors today. But in the past, purple was a very expensive and unusual color. Let's
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七年级·英语·连词成句Unit 3 Body Parts and Feelings
myself, I, learn, by, song, the ________________________________________________________________________ .
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七年级·英语·连词成句Unit 3 Body Parts and Feelings
in, the, is, teacher, office, the ________________________________________________________________________ .
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七年级·英语·填空题Unit 3 Body Parts and Feelings
Blue jackets, white shirts, and black pants... the school uniform looks so out of fashion. Like many of you, I don't like it. However, if I were _____ a chance, I wouldn't throw my school uniform away. Uniforms show that
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