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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 1 It allows people to get closer to them .
如今大约只有1600只熊猫生长在野外． ______
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八年级·英语·句子翻译Unit 1 It allows people to get closer to them .
让我们看看还能做什么来救助更多的动物． ______
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八年级·英语·句子翻译Unit 1 It allows people to get closer to them .
村庄和农场正在不断扩张，侵占他们的领地和森林． ______
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八年级·英语·句子翻译Unit 1 It allows people to get closer to them .
许多野生动物没有安全的栖息地． ______
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八年级·英语·句子翻译Unit 2 She was thinking about her cat.
他正在考虑做一个飞机模型． He was thinking of______．
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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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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
it， with， two， is， a， long， rabbit， ears（．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
the， were， strange， playing， a， children， game （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
my， smiling， at， mother， was， me （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
a， my， reading， sister， was， nine， book， at， yesterday， evening （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
a， is， robot， Mimi， it， about， called （．） ______
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
Did you see the rabbit______（从我身边跑过）？
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
I saw my brother______（对我微笑）．
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
The boy______（掉进河里）and called for help loudly．
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