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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·句型转换Unit 3 Language in use.
Are those apples？（作否定回答） No, ______.
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九年级·英语·填空题Unit 2 Life in the future
Read the passage and fill in the blanks with suitable words （在短文的空格内填入适当的词，使其内容通顺。每空格限填一词，首字母已给） David Beckham was b 【 1 】 in 1975 in London, at a place called Leytonstone. When he was a young boy, his greatest interest
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九年级·英语·填空题Unit 2 Life in the future
Choose the words or expressions and complete the passage（选择最恰当的单词或词组完成短文） I remember something bad when I was in school. Our school was made of adobe—that's dried mud（泥）and the walls were _______. My seat was next to a w
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九年级·英语·阅读理解Unit 2 Life in the future
Choose the best answer （根据短文内容，选择最恰当的答案） I've loved my mother's desk since I was just tall enough to sit above the top of it. Standing by her chair, looking at the ink bottle, pens, and white paper, I decided that the ac
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九年级·英语·句型转换Unit 2 Life in the future
Rewrite the following sentenced as required （根据所给要求，改写下列句子。每空格限填一词） 【 1 】 They had lunch at school yesterday. （改为否定句） They ________ ________ lunch at school yesterday. 【 2 】 Tom visits Science Museum every year. （对画线部分提问
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九年级·英语·填空题Unit 2 Life in the future
Complete the sentenced with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子） 【1】They have put their house up for ________. （sale） 【2】This town is ________ for its beautiful buildings. （fame） 【3】________, life o
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九年级·英语·填空题Unit 2 Life in the future
A. various B. walking C. settled D. simply E. awarded Free energy is everywhere around us, There are many ways to make and collect energy from 【 1 】 sources （来源） like the sun, wind, water, etc. But people always make thi
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九年级·英语·填空题Unit 2 Life in the future
A. strict B. diet C. a visit D. hurry E. hid My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a 【 1 】 . He started his diet a week ago. First of all, he wrote out a long list
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九年级·英语·选择题Unit 2 Life in the future
—You've done a good job. —________.
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八年级·英语·句子翻译Unit 2 Cambridge is a beautiful city in the east of England.
伦敦大约有750万人． ______
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八年级·英语·句子翻译Unit 2 Cambridge is a beautiful city in the east of England.
深圳人口超过1000万． ______
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
对学生们来说练习说英语是很重要的。 ______
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
对学生来说在学习和玩耍之间保持平衡是很重要的。 ______
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
我希望不会错过明天会议上什么重要的东西。 ______
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
My mother cooked __________________ （一顿丰盛的晚餐） for me yesterday.
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
Your body is like a factory.It takes in "materials" and puts out "goods"（货品）.If you starts with poor materials,your goods may not be very high-quality （高质量的）.But if you use b (1) materials,your goods will come out much b
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
We have to ______ （待） at school because it is Monday today.
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
He asks for two pieces of ______ （面包） for breakfast.
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七年级·英语·单词拼写/单词释义Unit 2 Is your food and drink healthy?
Please ______ （记住） to have a good breakfast every day and then you can stay healthy.
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九年级·英语·填空题Unit 1 Saving the Earth
Read the passage and fill in the blanks with proper words ( 在短文的空格内填人适当的词，使其内容通顺，首字母已给，每空格限填一词） What is a library for? Most libraries have books and other things to read. Many of them have things to listen to. Some libra
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