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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Lesson 10 My Interests
The girl doesn′t like listening to pop music.（改为肯定句） The girl______listening to pop music.
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七年级·英语·句型转换Lesson 10 My Interests
Ben often plays tennis at 4：00 . （对画线部分提问） ______does Ben often play tennis？
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七年级·英语·句型转换Lesson 10 My Interests
Betty joins four clubs.（对画线部分提问） ______clubs does Betty join？
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七年级·英语·句型转换Lesson 10 My Interests
She goes to the Dancing Club every Friday afternoon.（对画线部分提问） ______she______every Friday afternoon？
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七年级·英语·单词拼写/单词释义Lesson 10 My Interests
"我能加入哪个俱乐部？""我不确定。" -______ club can I______？ -I′m______.
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七年级·英语·单词拼写/单词释义Lesson 10 My Interests
我在足球俱乐部。 I am______ the Football Club.
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七年级·英语·连词成句Unit 1 School and friends
a, Susan, has, face, round ___________________________________________________________ .
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七年级·英语·连词成句Unit 1 School and friends
middle school, I, a, student, am ___________________________________________________________ .
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七年级·英语·填空题Unit 1 School and friends
I like collecting stamps very much and I have collected all kinds of stamps for years. One day, while 【 1 】 (I) friend Jimmy was appreciating( 欣赏 ) my stamps at my home, he knocked down the cup. The w 【 2 】 poured over t
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七年级·英语·任务型阅读Unit 1 School and friends
With the development of the society, the level of our life has improved. We have all kinds of food to choose from. However, we all waste food, you and me, every day, millions of tons of it. In China, plenty of food is wa
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七年级·英语·填空题Unit 1 School and friends
There are purple clothes, purple handbags, purple bicycles, purple furniture, even purple computers! So purple is one of the most _____ colors today. But in the past, purple was a very expensive and unusual color. Let's
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七年级·英语·连词成句Unit 3 Body Parts and Feelings
myself, I, learn, by, song, the ________________________________________________________________________ .
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七年级·英语·连词成句Unit 3 Body Parts and Feelings
in, the, is, teacher, office, the ________________________________________________________________________ .
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七年级·英语·填空题Unit 3 Body Parts and Feelings
Blue jackets, white shirts, and black pants... the school uniform looks so out of fashion. Like many of you, I don't like it. However, if I were _____ a chance, I wouldn't throw my school uniform away. Uniforms show that
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七年级·英语·填空题Unit 3 Body Parts and Feelings
My best friend Michael is a 15yearold boy. He is one of my 【 1 】 (classmate). He works very 【 2 】 in all his lessons. He is always ready to help others. My math is very poor, so he often helps me 【 3 】 it after class.
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七年级·英语·单词拼写Unit 3 Body Parts and Feelings
(2020 原创 )The boy is old e ________ to take care of himself. So don't worry.
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七年级·英语·填空题Unit 3 Body Parts and Feelings
(2020 原创 )You got a ________ (good) grade in the math exam than I did. Could you tell me how you learned it?
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七年级·英语·连词成句Unit 8 Countries around the world
in, who, the, is, red, girl _________________________________________________________ ?
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七年级·英语·填空题Unit 8 Countries around the world
北京之旅 Welcome to Beijing! I'm your guide. As we all know, Beijing is 【 1 】 city with a long history. There are many f 【 2 】 places of interest. On the first day, we are going to visit Tian'anmen Square, the Palace Museum
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七年级·英语·单词拼写Unit 8 Countries around the world
There are lots ________ people on the square. Do you know what happened there?
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