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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Unit 5 My Future
There are some model planes in my room．（改为一般疑问句） ______ model planes in your room？
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八年级·英语·句型转换Unit 5 My Future
Li Ming wants to be a driver because he likes cars ． （对画线部分提问） ______ Li Ming______ to be a driver？
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八年级·英语·句型转换Unit 5 My Future
Brian is a policeman． （用in the future 改写） Brian______ a policeman in the future．
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七年级·英语·选择题Lesson 5 Before Class
You know Cartoon World is on TV ________ 6:30 p.m. ________ 7:00 p.m.
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七年级·英语·填空题Lesson 5 Before Class
用所给单词的正确形式填空。 【1】Ben plans________（take）a relaxing vacation. 【2】Here ________(be)your money. 【3】Friends can exercise together ________a fitness center.
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七年级·英语·选择题Lesson 5 Before Class
We should not eat _______ junk food.
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七年级·英语·单词拼写Lesson 5 Before Class
填单词。 【1】I like to play ping-pong on ________________(星期日) morning. 【2】We students can (借)________________ only two books from the school library each time. 【3】How much are the ________________(衣服)? 【4】What ______________
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七年级·英语·任务型阅读Lesson 5 Before Class
My name is Tom. I am eleven years old. I am a student. I have only a bag, but I have five books and ten pencils. I want to send a letter. I don’t have any stamps, but I have some envelopes. I have some paper, too. 【1】How
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七年级·英语·单词拼写Lesson 5 Before Class
单词拼写(根据中文提示拼写单词)。 【1】We usually have some PE activities on ________________(星期五) afternoon. 【2】My favorite day is ________________(星期四). 【3】My ________________(同学们) are going to climb the mountain at ________________(任何时
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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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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.
She won't agree to buy a computer ______ her son promises not to play computer games.
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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 old man lives ______in a ______house, but he never feels ______.
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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.
—Father is sleeping. Will you ______the radio a little? —OK, I'll do it right now.
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九年级·英语·单词拼写Unit 2 I became so bored with their orders that I wished they would leave me alone.
单词拼写 【 1 】 It should be quite s ______ . I don't think there will be any difficulty. 【 2 】 There is nothing in the classroom. It's e ______ . 【 3 】 The old man lives a ______ after his wife died. 【 4 】 I was hungry, so I
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八年级·英语·连词成句Unit 6 Go With Transportation !
in China, it, the, city, is, biggest ________________________________________________________________________ .
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八年级·英语·连词成句Unit 6 Go With Transportation !
problem, is, the, harder, I, than, imagine ________________________________________________________________________ .
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八年级·英语·连词成句Unit 6 Go With Transportation !
Jack, come, time, on, might ________________________________________________________________________ .
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