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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·填空题Unit 2There were few doctors, so he had to work very hard on his own.
Ⅱ．用所给单词的适当形式填空 【1】Take the ______(medical)and you will be better soon． 【2】During Edison's life，he had over 1,000 ______ (invent)． 【3】Dashan is a ______(Canada)and he is good at crosstalk(相声)． 【4】After ten hours' ______(o
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
I went to the cinema early，______ I got a good seat．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
Seven years later,she completed her ______ at the university．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
When the teacher came in the classroom，all the students stop ______．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
—______ can you see in the picture? —______．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
—I want to know ______ Tom gave up the match． —Because he hurt his foot．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
She as well as you ______ from the same country—China．
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九年级·英语·选择题Unit 1 She trained hard,so she became a great player later.
I decided ______ at the end of this year．
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九年级·英语·句型转换Unit 1 She trained hard,so she became a great player later.
【1】She's my hero because she's one of the best table tennis players in the world．（用so改写） _______________________________________________________________________ 【2】She started playing the piano when she was five．（改为简单句）
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九年级·英语·阅读理解Unit 3 Language in use
阅读理解 Rich or poor, young or old, we all have problems. And unless we deal with our problems, we can easily become unhappy. Worrying about our problems can affect how we do at school. It can also influence the way we beha
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九年级·英语·选择题Unit 3 Language in use
All living things ______ the sun for their growth．
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九年级·英语·选择题Unit 3 Language in use
______ Mr Smith didn't feel well，he still came to give us lessons．
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九年级·英语·选择题Unit 3 Language in use
______ there is going to ______ a basketball match this afternoon，______ I won't go to watch it because I'm very busy．
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九年级·英语·填空题Unit 3 Language in use
用方框中所给单词的适当形式填空。 Person you act advice success 【1】Tom，can you do it by ______？ 【2】My Chinese teacher always ______ me to read more books． 【3】Please ask the girl to write her ______ information in the form and hand it in
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九年级·英语·句子翻译Unit 3 Language in use
他正准备返回他的故乡． （prepare to do） ______
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九年级·英语·句子翻译Unit 3 Language in use
爸爸无意中拿走了我的钢笔． （by accident） ______
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九年级·英语·句型转换Unit 2 I became so bored with their orders that I wished they would leave me alone.
同义句转换 【1】Harry Potter is so interesting that lots of teenagers like it. Harry Potter is ______ ______ ______ book that lots of teenagers like it. 【2】When he comes home，he will tell me the truth at once. He will tell me t
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九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
I haven't finished my homework, so I can't ______ now.
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九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
I can look after myself, ______ it won't be easy for me.
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九年级·英语·选择题Unit 2 I became so bored with their orders that I wished they would leave me alone.
The teacher speaks ______ loudly ______ all the old people can hear him clearly.
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