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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·完成句子Unit 3 Teenage problems
【 1 】 我不知道没有爱好的生活会是什么样的。 I don’t know ___________________________ without hobbies. 【 2 】 将这些烦恼藏在心中会使情况越来越糟糕。 __________________________________ will make them worse and worse. 【 3 】 我梦想有一个长假让我更多时间从事我的爱好。 I ______________
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九年级·英语·完成句子Unit 3 Teenage problems
【 1 】 艾米晚上习惯于开着灯睡觉，因为她怕黑。 Amy ______________________________________ because she is afraid of darkness. 【 2 】 他别无选择，只好放弃了出国深造。 He ____________________________________________ for further education. 【 3 】 我想知道多久以后如此多的邮件会得
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九年级·英语·选择题Unit 3 Teenage problems
Running and swimming __________ good for you.
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八年级·英语·句型转换Lesson 9 Never Give Up!
Peter asked me to wait for him this morning. （改为否定句） Peter______me to wait for him this morning.
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八年级·英语·句型转换Lesson 9 Never Give Up!
Grace jumps farthest among all the girls. （改为一般疑问句） ______ Grace______among all the girls？
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八年级·英语·句型转换Lesson 9 Never Give Up!
My sister draws best in her class. （改为同义句） My sister______than any other student in her class.
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八年级·英语·句型转换Lesson 9 Never Give Up!
Liu Li spent 30 minutes doing her homework. （改为同义句） It______Liu Li 30 minutes______her homework.
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八年级·英语·句型转换Lesson 9 Never Give Up!
I had to cook supper for my mother yesterday. （改为一般疑问句） ______ you______cook supper for your mother yesterday？
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八年级·英语·单词拼写/单词释义Lesson 9 Never Give Up!
你们什么时候到中国？ When will you______China？
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八年级·英语·单词拼写/单词释义Lesson 9 Never Give Up!
刚才他叫我们在门口等他。 He______ us______ for him at the gate just now.
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八年级·英语·单词拼写/单词释义Lesson 9 Never Give Up!
昨天我们都为圣诞节做了准备。 We all______Christmas yesterday.
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七年级·英语·补全对话Topic 1 Welcome to China!
从方框中选择适当的句子补全对话，有两项多余。 A. How are you? B. I’m fine, C. Thank you. D. Nice to see you. E. this is Mr. Hang. F. How do you do? G.Bye. A: Good afternoon, Mr. Wang. 【 1 】 B: Good afternoon, Mr. Zhang. Nice to see you, too. A
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七年级·英语·其他Topic 1 Welcome to China!
从Ⅱ栏中找出Ⅰ栏各句的应答语。 Ⅰ Ⅱ 11.How are you? A. Fine, thank you. 12.How do you do? B. Thanks 13.Welcome to China. C.How do you do? 14.Hello! D. Hello! 15.Good afternoon. E.Good afternoon. 【1】____ 【2】___ 【3】___ 【4】____ 【5】____
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九年级·英语·填空题Unit 2 Colour
【题目】 语法填空 【 1 】 Don't be nervous．Be ______ （relax） and you will perform well in the show． 【 2 】 We could see the ______ （happy） on his face after he heard the bad news． 【 3 】 He ______ （prefer） English to Chinese last te
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九年级·英语·单词拼写Unit 2 Colour
【题目】 单词拼写 【 1 】 It's necessary to know something about what the color ______ （象征） 【 2 】 It's impossible to make everyone ______ （满意） with the arrangement． 【 3 】 When he was young，he ______ （更喜欢） to play with his toy． 【 4
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九年级·英语·阅读理解Unit 2 Colour
What do you think of black cats？Are they unluckier than cats of other colors？Many people in Western countries think so．Scientists at the University of California，Berkeley （UC Berkeley），did a study on cat colors and peopl
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九年级·英语·阅读理解Unit 2 Colour
Survey：What were you scared of when you were a kid？ I was scared of spiders but I didn't let my friends know because all of them liked catching these spiders．I was terrified but I just acted cool． -Buding，still afraid of
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九年级·英语·填空题Unit 2 Colour
The first note I ever wrote to my mother said "Hi，Mom! Have a nice day! Love，Marie!"I was twelve when I wrote it，and I folded the ___________ into her change purse （零钱包）． My mother worked as a cleaner in a clothing facto
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九年级·英语·选择题Unit 2 Colour
— The match is so exciting. The opposite team is really strong. — You’re right. But I am sure ____our team will win!
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八年级·英语·句型转换Lesson 8 Olympic Winners
When he was ten years old, he went to New York to study.（改为同义句） ______ten, he went to New York to study.
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