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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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八年级下·英语·阅读理解Unit 2 Body language

阅读理解 If the eyes are the windows of the soul, then the body is the mirror of our feelings. If we are feeling great, we may give our body signals. If we look at someone else's body, we can often tell how he or she is feel

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八年级下·英语·阅读理解Unit 2 Body language

根据材料内容,选择正确答案。 Sandwich was an Englishman. He lived in the 18th century. Sandwich was rich(有钱的), but he liked to play cards for money. He often played for 24 hours, and didn't even stop to have his meals. He ordered his

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八年级下·英语·阅读理解Unit 2 Body language

阅读下列短文,从下面每小题的A、B、C、D四个选项中选出最佳选项。 Shaking the head doesn't always mean the same in different countries. Maybe some visitors would be surprised when they first come to India. When they talk to an Indian, they would find h

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八年级下·英语·阅读理解Unit 2 Body language

阅读下面短文,从每题所给的A、B、C、D四个选项中选出能正确回答所提问题或完成所给句子的最佳答案。 Once, a man travelled on a train. He felt hungry and got off at a station to look for food. He bought the food in a short time but the train had gone away. It was getting

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八年级下·英语·阅读理解Unit 2 Body language

阅读下面短文,从每题所给的A、B、C、D四个选项中选出能正确回答所提问题或完成所给句子的最佳答案。 If the eyes are the windows of the soul, then the body is the mirror of our feelings. If we are feeling great, we may give our body signals(信号). If we look at someone els

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八年级下·英语·填空题Unit 2 Body language

根据短文理解,从给出的A、B、C三个选项中选择最佳答案填空。 All parents love their children. Many parents want their kids to (1) well-known people when they (2) . Most of them want their kids to live better than others. Many of them (3) their kids w

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八年级下·英语·填空题Unit 2 Body language

阅读下面短文,从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 People use different ways to communicate. We communicate with each other not only through (1) but through body language. Because body language is so (2) , you have to know what yo

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八年级·英语·完成句子Unit 1 Helping those in need

你打算怎么通过期末考试? ______ you______ the final exam?

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八年级·英语·完成句子Unit 1 Helping those in need

我在想去哪里. ______ where to go.

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八年级·英语·完成句子Unit 1 Helping those in need

您能允许我们在您的花园里玩耍吗? Could you please______ in your garden?

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八年级·英语·选择题Unit 1 Helping those in need

- Lucy is ___________ great pain because of her father's death. -We should think of a way to make her happy.( )

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八年级·英语·选择题Unit 1 Helping those in need

If you___________ money for disabled children, it means you collect money for them.( )

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八年级·英语·选择题Unit 1 Helping those in need

选出可以替换划线部分的最佳选项. - Keeping a pet dog brings me much joy. -Dogs are man's friends. They can make people not feel lonely.( )

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八年级·英语·选择题Unit 1 Helping those in need

选出可以替换划线部分的最佳选项. -If you don't often do sports,you will get illnesses . -I see. However, I always have much work to do.( )

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八年级·英语·完成句子Unit 1 Helping those in need

如果你想身体健康,你必须坚持锻炼. If you want to be______, you must keep exercising.

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七年级·英语·阅读理解Unit 1 making friends

Bill is an American boy, but he lives with his parents in Shenzhen now. Today he is very happy, because he is going to a Chinese school for the first time. He gets up at 6: 30 a. m. After having breakfast with his parent

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七年级·英语·填空题Unit 1 making friends

I have a good pen pal. She is from ________________ America. She is fifteen years old. ________________ name is Carol. She is a nice girl ________________ brown hair. We meet on the ________ and we usually ______________

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七年级·英语·完成句子Unit 1 making friends

单词拼写(词汇运用) 【1】He lives far a________ from his school. 【2】Mrs Green is a kind lady. She is always f________ to us. 【3】The s________ of the wind makes me feel afraid at night. 【4】Uncle Wang is an e________ of this company.

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八年级·英语·单词造句Unit 6 Travel

have fun,visit Shanghai Disneyland Resort,if,why not,you,want to ______

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八年级·英语·单词造句Unit 6 Travel

Ocean Park,Victoria Harbour,Hong Kong,with,a popular tourist attraction,many landmarks,such as,is,and,in China ______

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