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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 1 How do I write my homework on the computer?
按要求完成句子 【 1 】 They write the words on _ the _ blackboard .( 对画线部分提问 ) ______ ________ they write the words? 【 2 】 I save _ the _ document next.( 对画线部分提问 ) _______ do you _________ next? 【 3 】 He often writes his homework
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七年级·英语·填空题Unit 1 How do I write my homework on the computer?
用括号中所给单词的适当形式填空 【1】Please use the mouse and________(click)“new document”． 【2】My brother wants to________(learn)how to save the information. 【3】_______(one), he opens the computer. 【4】_________(final), the girl finishes h
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七年级·英语·填空题Unit 1 How do I write my homework on the computer?
用方框中所给单词的适当形式填空 print；box；learn；final；click；use；write；paper；put；mouse 【1】It's never too old to ________. 【2】There are many________on the desk. 【3】_________,I come back to my country. 【4】Please________these documents. We
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七年级·英语·单词拼写Unit 1 How do I write my homework on the computer?
根据句意及首字母或汉语提示完成单词 【1】The girl _________(保存)her email and walks out of the room. 【2】Could you help me_________(打印)the documents? 【3】That red _________(鼠标)on the desk is mine. 【4】They go to the shop to buy some ________(纸)
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八年级·英语·句子翻译Unit 1 It might snow.
明天天气会怎么样呢？（what）______
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八年级·英语·句子翻译Unit 1 It might snow.
你出去的时候不要忘了锁门．（lock）______
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八年级·英语·句子翻译Unit 1 It might snow.
游览香港的最佳时间是什么时候？（when，Hong Kong）______
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八年级·英语·句子翻译Unit 1 It might snow.
今天可能有风．（might）______
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八年级·英语·选择题Unit 1 It might snow.
______the workers were very tired，they still kept working．（ ）
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八年级·英语·选择题Unit 1 It might snow.
-I don't like windy weather． -________．（ ）
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八年级·英语·选择题Unit 1 It might snow.
-The news reported that this area had a terrible rainstorm last night． -Yes． bad weather it was!（ ）
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八年级·英语·选择题Unit 1 It might snow.
-Look at the dark cloud． Will it rain？ -I am not sure． It rain．（ ）
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七年级·英语·阅读理解Unit 3 Language in use.
It is Sunday today. It is my grandma's birthday. Father, mother and I go to visit her. My grandma lives with my uncle. In the morning we make a birthday cake and then go to her house. My grandma and uncle are very happy
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七年级·英语·填空题Unit 3 Language in use.
John is five years old. He _______ many birthday presents from his family on his birthday and one of them is a nice big _______. “Who gives him that drum(鼓)?” his father asks. “His _______,” says John's mother. John's gr
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七年级·英语·填空题Unit 3 Language in use.
How do kids _______(度过) their weekends? We ask some students about it in our school. For most children, the weekends are _______(总是) fun. On Saturday morning, they _______(学习) a lot of things, such as playing basketball
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七年级·英语·填空题Unit 3 Language in use.
用括号中所给单词的适当形式填空 【1】—Would you like _________ (go) to the cinema with me? —Sure, I'd love to. 【2】It is great _________ (meet) you here. 【3】I often watch my brother _________ (play) basketball. 【4】This is a present from __
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七年级·英语·填空题Unit 3 Language in use.
用方框中所给单词或短语的适当形式填空 go shopping; choose; exercise; hear from; would like to 【1】Elsa _________ a red dress for her daughter. 【2】Mark often _________ his brother in England. 【3】I think Johnny _________ buy the blue T-shirt.
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七年级·英语·单词拼写Unit 3 Language in use.
根据句意及汉语提示完成单词 【1】Lucy never _________(穿)dresses. 【2】I'm _________ (恐怕)I can't come early. 【3】How often does Daming_________ (收到)from his parents? 【4】I ask my_________ (亲爱的)friend Nancy to visit me this weekend. 【5】—How a
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七年级·英语·任务型阅读Unit 2 She often goes to concerts.
People celebrate（庆祝）birthdays in almost every country on the earth. And they celebrate them in many different （不同的）ways. In Brazil（巴西）, the special（特别的）birthday food aren’t birthday cakes, but special candies. In China,
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七年级·英语·填空题Unit 2 She often goes to concerts.
Today is Tom's birthday. He is thirteen years old. He _____ early in the morning. He _____ a black shirt and a pair of blue jeans. He looks _____ .Because his mother buys him a big _____ and lots of other delicious food.
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