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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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八年级·英语·句型转换Lesson 14 Helping Each Other
My father met his old friend on his way home . （对画线部分提问） ______your father______his old friend？
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八年级·英语·句型转换Lesson 14 Helping Each Other
I dared to touch the elephant. （改为否定句） I______touch the elephant.
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八年级·英语·句型转换Lesson 14 Helping Each Other
Penny is friendly to her new classmates. （改为一般疑问句） ______to her new classmates？
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八年级·英语·单词拼写/单词释义Lesson 14 Helping Each Other
凯特如此紧张，以至于她不能自如地表达自己的意思。 Kate was______she couldn't express herself freely.
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八年级·英语·单词拼写/单词释义Lesson 14 Helping Each Other
我晚上不敢独自出去。 I don't______outside alone at night.
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八年级·英语·单词拼写/单词释义Lesson 14 Helping Each Other
他努力帮助无家可归的儿童。 He tried______the homeless children.
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七年级·英语·选择题Topic 1 Does he speak Chinese?
Miss Lee is a good teacher. She often helps Wei Jun _________ his English.
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七年级·英语·选择题Topic 1 Does he speak Chinese?
— _________ is the letter from? — It’s from England.
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七年级·英语·单词拼写Topic 1 Does he speak Chinese?
根据语境及汉语提示完成句子 【1】The old man _______ (居住) in Shanghai. 【2】What does your mom _______ (说) in the letter? 【3】— Could you please tell me something _______ (关于) the young teacher? —Sure. 【4】Betty is young, but she knows a __
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九年级·英语·任务型阅读Unit 3 Language in use
April Fool's Day is on April 1st．People can play jokes on others on this special day．If you succeed，you usually laugh and say “April Fool！” The person who has been fooled by you laughs，too，and he will never be angry with
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九年级·英语·选择题Unit 3 Language in use
I won't do it ______ you come back．
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九年级·英语·选择题Unit 3 Language in use
Please give the ticket to her ______ you see her．
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九年级·英语·选择题Unit 3 Language in use
The woman began to dance ______ she was a little girl．
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九年级·英语·选择题Unit 3 Language in use
Yesterday evening, I _____ along the street when I suddenly met my maths teacher.
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九年级·英语·选择题Unit 3 Language in use
______it was 12 o'clock,we all shouted “Happy New Year”．
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九年级·英语·选择题Unit 3 Language in use
It is a wonderful film ______too much fighting．
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八年级·英语·阅读理解Lesson 13 Helping Your Community
Help Out a Bit Are you looking for something fun？ Would you like to help other people in your free time？ Then join us to be a volunteer. We have jobs for people of all ages. Anyone from 12-year-old children to 70-year-ol
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八年级·英语·单词拼写/单词释义Lesson 13 Helping Your Community
许多人志愿到城市公园去打扫。 Many people______clean up the city park.
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八年级·英语·单词拼写/单词释义Lesson 13 Helping Your Community
我能用你的手机吗？ ______ your mobile phone？
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八年级·英语·单词拼写/单词释义Lesson 13 Helping Your Community
上周我也没去博物馆。 I didn't______the museum last week,______.
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