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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·选择题逸闻趣事类阅读
—The room is nice. —Yeah.It is_________room.（ ）
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八年级·英语·填空题逸闻趣事类阅读
"Where\’s Papa going with the ax?"said Fern to her mother as they were setting the table for breakfast. "Out to the hog house," replied Mrs.Arable."Some pigs were born last night." "I don\’t see why he needs an ax,"conti
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七年级·英语·填空题逸闻趣事类阅读
You shouldn\’t say bad words about someone because of his or her ______（相貌）.
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七年级·英语·填空题逸闻趣事类阅读
We had a terrible school trip last weekend．Some students were late．Then we waited half an hour for the school bus,but it didn\’t arrive．Finally,our teacher took us to take the subway．It took us about an hour．After we got
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七年级·英语·选择题阅读排序
Jenny ate a lot this morning,but she was still______.（ ）
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九年级·英语·填空题逸闻趣事类阅读
I will tell a story-Oliver and Patch.Oliver is a lost little boy.He doesn\’t know anybody and is afraid in a big city.One day he meets Patch,a little dog who is also lost.The two become best friends.They help each other.
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九年级·英语·填空题逸闻趣事类阅读
Without stopping,he drove her ______（direct） to her hotel.
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七年级·英语·填空题逸闻趣事类阅读
Mr.Brown\’s store has some puppies for sale from ＄30 to ＄50.A little boy comes to his store and says, "Sir,I want to buy one of your puppies." "Well," says Mr.Brown, "these puppies need a lot of money." "I have only one
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九年级·英语·选择题主语从句
_______ surprised me most was that she didn't even know _______ the difference between the two sentences lay．（ ）
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九年级·英语·填空题主语从句
It is amazing that two "New pulsars" （脉冲星）______（discover） by the "FAST" （中国天眼） not long ago．
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九年级·英语·完成句子主语从句
让人惊讶的是，此次晚会结果办得很成功。(surprise) It ___________________________________________ a success.
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七年级·英语·填空题主语从句
The name of the book s ______good.I want to read it now.
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七年级·英语·填空题主语从句
Those two ______ can speak Chinese fluently. （Japan）
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七年级·英语·填空题主语从句
Most of ______（老鼠） are afraid of cats.
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八年级·英语·填空题主语从句
Great!You have ______ （deal） with so much work in such a short time.
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八年级·英语·填空题定语从句
The moon was behind a cloud.And there weren\’t many stars in the sky.It was a dark night.I saw a glow（光）in my neighbor\’s kitchen.I thought he was having a night meal.So I went back to my bed. Soon there was a smell of b
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八年级·英语·填空题定语从句
Mike offered to help the d ______woman who lost her arms last year.
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八年级·英语·填空题定语从句
I put the______ （湿的） clothes on the desk just now．
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八年级·英语·填空题定语从句
also；so；wait；attention；well；them；of；make；interest；chance；connect；second Are you learning a foreign language?Everyone is born with the ability to learn.Do you know how to learn English （1）______? First of all,successful l
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七年级·英语·选择题阅读表达
One of them the answer is right.（ ）
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