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#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·选择题Unit 11 My food project
Why do you ____________ the fish?
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九年级上·英语·阅读理解Unit 3 Family life
根据短文内容，选择正确答案。 If you want to know the history of Asia, you must visit Nepal. It is one of the oldest countries in Asia. When you travel to Nepal, you should pay attention to these following things. Remember them and the
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九年级上·英语·阅读理解Unit 3 Family life
根据短文内容，选择正确答案。 Be honest. That's all you have to do on Honesty Day. It would be great if we were all honest every day of the year. It's good that there is a day to encourage honesty. M. Hirsh Goldberg started Honesty Day
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九年级上·英语·阅读理解Unit 3 Family life
根据短文内容，选择正确答案。 There was a boy and his family was very rich. One day his father took him on a trip to a place. He wanted to show his son how poor people were there. They spent several days on a farm. There were many poor
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九年级上·英语·阅读理解Unit 3 Family life
阅读理解 Family traditions are special habits or customs that your family have. For example, in the family of Bill Gates, his parents keep the tradition of reading with children. And what's the tradition in your family？ ★Nic
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九年级上·英语·阅读理解Unit 3 Family life
根据短文内容，选择正确答案。 Do you know how to play a game called “Musical Chairs”? It is easy to play and most people enjoy it. All you need are some chairs, some people and some ways of making music. You may use a piano or any othe
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九年级上·英语·阅读理解Unit 3 Family life
根据短文内容，选择正确答案。 The word “day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using “day” to mean the time between sunr
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九年级上·英语·填空题Unit 3 Family life
阅读下面短文，掌握其大意，然后从每小题所给的A、B、C、D四个选项中，选出一个最佳选项。 There are many problems between parents and their children. Some parents don't understand their （1） , and many of them even argue with each other. If I am a parent, how will I
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九年级上·英语·填空题Unit 3 Family life
完形填空 It is the first school that teaches us right and wrong. It is our dearest place that （1） us from danger. It is our family. In many （2） countries, extended families(大家庭)are common. In some big cities, families usuall
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八年级·英语·句型转换Unit 5 Encyclopaedias
saw, Judy, me, collecting, at home, some stamps, yesterday. （连词成句） ______
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八年级·英语·句型转换Unit 5 Encyclopaedias
He threw away his cup . （划线提问） ______ did he______ away？
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八年级·英语·句型转换Unit 5 Encyclopaedias
On my way home, I saw Mary. She was singing with her friends.（连成一句） On my way home, I______ Mary______ with her friends.
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八年级·英语·句型转换Unit 5 Encyclopaedias
Are those books yours？ （否定回答） No,______ aren't.
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八年级·英语·句型转换Unit 5 Encyclopaedias
I'm 12 years old. Jack is 12 years old, too. （保持句子意思不变） Jack is________________________ I.
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八年级·英语·句型转换Unit 5 Encyclopaedias
My bedroom is 15 square meters. Her bedroom is 15 square meters, too. （ 保持句子意思不变） My bedroom is__________________hers.
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八年级·英语·填空题Unit 5 Encyclopaedias
Mike's grandma has been______ for nearly three years. （die）
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八年级·英语·填空题Unit 5 Encyclopaedias
Qi baishi was a great______ at that time. （art）
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七年级·英语·填空题Unit 10 A birthday party
A rich man asked a great painter to paint a picture f 【 1 】 him. The next day the painter c 【 2 】 back and brought him a small picture. "It's a beautiful picture, " said the rich man. "How much do you want for it?" "One
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七年级·英语·填空题Unit 10 A birthday party
One very cold morning, my father and I were working on the farm. I asked him how long I must stay in the _______. "About an hour. "he answered. "I wish I could go hone now- my _______aches." "I am sorry, but can't you st
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七年级·英语·阅读理解Unit 10 A birthday party
Do you kow that animals have love for each other and their children just like us humans? Let me tell you some moving stories of great animal parents. Several years ago a heavy rain hit a town and made the river go up. Wh
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