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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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七年级·英语·选择题Lesson 3 Happy Birthday!
Miss Liu is _________ English teacher. She teaches _______ English very well.
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七年级·英语·阅读理解Lesson 3 Happy Birthday!
Dear Editor, My English teacher is very strict with us. Several days ago, when we were having an English class, Tom asked me a question. But she thought we were chatting in class. She asked us to stand at the back of the
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七年级·英语·补全对话Lesson 3 Happy Birthday!
补全对话 ( 选择 ) A: 【 1 】 B: Hi, Lisa. A: Can you come to my birthday party? B: Sure, 【 2 】 【 3 】 A: It's at 6:00 in the evening on Saturday. B: I'm sorry. I can't. 【 4 】 A: Oh, that's too bad. B: 【 5 】 A. I have to study for
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七年级·英语·单词拼写Lesson 3 Happy Birthday!
【1】Cindy has the ________________(相同) handbag as I do. 【2】Do you have any ________________(女儿)? 【3】Andy is my ________________(表妹). 【4】How much ________________(漂亮) she looks without her glasses! 【5】My father exercises e
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七年级·英语·单词拼写Lesson 3 Happy Birthday!
【1】She likes to d________________ to the music. She's a good dancer. 【2】Yao Ming is a good b________________ player(运动员). 【3】My uncle has a son and a d________________. 【4】Do you have any i________________ what we should
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七年级·英语·单词造句Lesson 3 Happy Birthday!
is， Jenny， Canada， from ______．
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七年级·英语·填空题Lesson 2 What Do They Look Like?
I have a good friend． His name is Steven． He (1) New York， USA． And now he lives in Shanghai with his parents． He's thirteen years old and his birthday is (2) November．He speaks English and he can speak a little Chinese，
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） Jim and I like playing______basketball and I am______basketball fan.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） ______ Earth travels around______ Sun.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） ______ dog is______ animal.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） I can play______chess with you in______hour.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） Look at______ blackboard.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） I have______ pet cat.______ cat is white and black.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） There is ______ old dictionary on the desk. Please give ______ dictionary to John.
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七年级·英语·阅读理解Lesson 1 Photos of Us
Sonia is a student. She likes collecting things. She has a sports collection( 收藏品 ). She has ten tennis rackets, seven basketballs, four volleyballs and two soccer balls. She likes playing tennis. She plays tennis every
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七年级·英语·填空题Lesson 1 Photos of Us
There are seven days in one week. From Monday to Friday, most people are busy __________ or studying. But __________ the evenings and at weekends they are free and they can enjoy themselves. Some people __________ TV or
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七年级·英语·选择题Lesson 1 Photos of Us
How old __________ your brother? And how old __________ you?
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七年级·英语·单词拼写Lesson 1 Photos of Us
根据中文提示拼写单词 【1】Tom has the ________________(能力) to do the work. 【2】Liu Qian becomes ________________(著名的) for his magic shows. 【3】We hope you can ________________(参加) us soon. 【4】They are watching a ________________(网球) m
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七年级·英语·单词拼写Lesson 1 Photos of Us
单词拼写 【1】Let's p________________ the pictures. 【2】They're playing soccer. Let's j________________ them. 【3】I don't like playing basketball. It's b________________. 【4】All the guests arrived at the party but the host didn'
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七年级·英语·句型转换Lesson 6 A School Day
The students start to read English at 7：00 in the morning.（改为同义句） The students______at 7：00 in the morning.
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