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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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七年级·英语·填空题Unit 3 Language in use.
My uncle often teaches me ______ （swim） in his free time.
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七年级·英语·填空题Unit 3 Language in use.
There are______ （thousand）of trees in this mountain.
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七年级·英语·填空题Unit 3 Language in use.
The red crayon is ______ （her）.
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九年级下·英语·阅读理解Unit 2 Culture shock
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 you look at the top of your phone, you'll usually see a little symbol that says 3G or 4G. The "G" stands for the "generation" of your mobile network. But these symbols
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九年级下·英语·阅读理解Unit 2 Culture shock
根据短文理解，选择正确答案。Last Friday, for our weekly event, we watched Peking Opera at the Qingdao Grand Theatre. As a young man from the United States, it was my first time to watch live Peking Opera, and it was special. Peking Op
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九年级下·英语·填空题Unit 2 Culture shock
阅读下面短文，从各题所给的A、B、C、D四个选项中选出能填入文章中相应空白处的最佳答案。 One day I ran into a stranger as he passed by me. I said sorry to （1） immediately. He replied with a smile and said, "I'm sorry, （2） . I wasn't watching out for you." Later th
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九年级下·英语·填空题Unit 2 Culture shock
根据短文理解，从A、B、C三个选项中选择最佳答案填空。 Fashion is （1） of culture. The Tang costume stands （2） Chinese history and fashion culture. It （3） Tang costume when China became known to other countries （4） the Han and Tang dynasties. From
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九年级下·英语·填空题Unit 2 Culture shock
根据短文理解，从A、B、C三个选项中选择最佳一项填空。 Growing up is not always easy. When we face difficulties, a spirit of depending on （1） is more useful than crying for help. That's what Hong Zhanhui's story of growing from boy to man （2） fami
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九年级下·英语·填空题Unit 2 Culture shock
Either you or I (be) good at drawing.
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九年级下·英语·填空题Unit 2 Culture shock
Both she and I (be) going to graduate this term.
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九年级下·英语·填空题Unit 2 Culture shock
If you (fail) in the final exam, you will let your parents down.
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八年级·英语·句子翻译Unit 3 Language in use .
忘记新单词是很正常的． ______
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八年级·英语·句子翻译Unit 3 Language in use .
听广播怎么样？______
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七年级·英语·单词拼写/单词释义Unit 2 The library is on the left of the playground.
Hi， boys and girls． Let me tell you something about Li Dong's room．Look! This is Li Dong's (1) ． There is a bed， a table， a desk， a chair， (2) pictures and other things in the room． Can you (3) them？ Look! There is a des
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七年级·英语·阅读理解Unit 2 The library is on the left of the playground.
I'm Du Fan．I'm a student in Class1, Grade1 at Shangdu Middle school．My school is small. You can see only one classroom in it. In the classroom, you can see three students and a teacher. The three students are He Dong, Ta
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七年级·英语·填空题Unit 2 The library is on the left of the playground.
I'm Li Jun from China.I'm a Chinese student.I'm a _____ .My English name is Jack and I'm twelve.There are _____ people in my family.They are my _____ ， my mother ， my grandmother and me.I am the only child in my _____ .M
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七年级·英语·填空题Unit 2 The library is on the left of the playground.
根据短文内容和括号内所给汉语意思，写出空白处各单词的正确形式 ( 每空一词 ) 。 Hello ， everyone ！ 【 1 】 ( 欢迎 )to No.1 Middle School.I'm Lily.I'd like to tell you something about the school.It's 【 2 】 ( 大的 )and beautiful.There are 1 ， 800 students and 180 【
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七年级·英语·句型转换Unit 2 The library is on the left of the playground.
按要求完成句子 【 1 】 There is a woman near the house.( 改为复数句 ) __ __ __ __ near the house. 【 2 】 There are fifty __students in our class.( 对画线部分提问 ) __ __ students are there in your class? 【 3 】 There is a __ map on the wall.(
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七年级·英语·填空题Unit 2 The library is on the left of the playground.
用括号中所给单词的适当形式填空 【1】My mother is behind __ (I)． 【2】Where __ (be)Lily and Betty? 【3】Our school has many __ (tree)． 【4】The __ (build)is very beautiful. 【5】There __ (be)50 chairs in my classroom. 【6】There are five __ (librar
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七年级·英语·填空题Unit 2 The library is on the left of the playground.
从方框中选择合适的介词或介词短语填空 for；with；about；of；next to；on； in front of；behind；in；like 【1】This is a photo __ Ben's friends. 【2】What can I do __ you? 【3】I like books __ many pictures. 【4】What's the weather __ in Hangzhou? 【5】Jim is
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