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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·句子翻译Unit 2 She was thinking about her cat.
他从书包里掏出一本书． He took a book______．
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八年级·英语·句子翻译Unit 2 She was thinking about her cat.
他向四周看了看，但什么也没看见． He looked around but he______．
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八年级·英语·句子翻译Unit 2 She was thinking about her cat.
玛丽每星期去一两次图书馆． Mary goes to the library______ a week．
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八年级·英语·选择题Unit 2 She was thinking about her cat.
Someone knocked at the door I was cooking in the kitchen．（ ）
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八年级·英语·选择题Unit 2 She was thinking about her cat.
The old man was old to take care of himself．（ ）
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八年级·英语·选择题Unit 2 She was thinking about her cat.
-What time do you ？ -At half past six． Then I get dressed and have breakfast．（ ）
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八年级·英语·选择题Unit 2 She was thinking about her cat.
-Why didn't you go to play football with us yesterday afternoon？ -I _____my mother with the housework then．（ ）
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七年级·英语·单词拼写/单词释义Unit 2 The tiger lives in Asia.
Gina is quite ______.And she is beautiful. （擅长游泳）
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七年级·英语·单词拼写/单词释义Unit 2 The tiger lives in Asia.
你的朋友擅长讲英语吗？ ______ your friend __________________ English？
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七年级·英语·填空题Unit 2 The tiger lives in Asia.
Tom can ______ basketball well.He is good at ______ tennis,too. （play）
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七年级·英语·单词拼写/单词释义Unit 2 The tiger lives in Asia.
在周末，我们和敬老院的老人们一起做游戏。 We play games with old people______ at the ______.
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七年级·英语·填空题Unit 2 The tiger lives in Asia.
My grandma is good at ______ jiaozi. （make）
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七年级·英语·填空题Unit 2 The tiger lives in Asia.
Is she good at ______ （sing）？
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七年级·英语·填空题Unit 2 The tiger lives in Asia.
The farmer is good at ______ （farm）.
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七年级·英语·填空题Unit 2 The tiger lives in Asia.
She ______ goes to bed before 10 p.m. （usual）
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九年级·英语·填空题Unit 3 Going places
Read the passage and fill in the blanks with proper 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）： As most kids were spending their spring break playing, Ashima Shiraishi was busy breaking some world records. The 13-year-o
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九年级·英语·填空题Unit 3 Going places
Choose the words or expressions and complete the passage （选择最恰当的单词或词组完成短文） What do you think of a forest, what do you see? Just trees? Or do you see many other things, such as singing birds, colourful plants and wild flo
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九年级·英语·阅读理解Unit 3 Going places
Choose the best answer（根据短文内容，选择最恰当的答案） In the 1920s, scientists found a collection of bones near Beijing,China. They believed that the bones were human and that they were about 500,000 years old. They also believed the
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九年级·英语·句型转换Unit 3 Going places
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 】 There was a nice atmosphere. （改为一般疑问句） ________ ________ a nice atmosphere? 【 2 】 Lucy bought a new computer last week. （改为反意疑问句） Lucy bought a ne
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九年级·英语·填空题Unit 3 Going places
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】San Francisco is full of ________ in summer.（tour） 【2】Detective novels used to hold a special ________ for me.（attract） 【3】The ___
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