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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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八年级下·英语·choice单项选择
Sally is my best friend. She is always there whenever I’m ____. －Yeah. A friend in need is a friend indeed. A．in person B．in trouble C．in public D．in fact
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八年级下·英语·choice单项选择
Mary used to in the countryside, but now she is used to in the city. A．live ; live B．live ; living C．living ; live D．living ; living
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八年级下·英语·choice单项选择
I’m going to take him to some famous hutongs ____ he can learn more about China. A．but B．so that C．although D．when
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八年级下·英语·choice单项选择
Mr. Zhou is good at cooking and he has decided______his own restaurant. A．open B．opened C．to open D．opening
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八年级下·英语·choice单项选择
——My grandma is ill in hospital. —— . A．She is fine B．My god C．I’m sorry to hear that D．I hope so
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八年级下·英语·choice单项选择
— ？ —I have a headache and I don’t feel like eating anything. A．How are you？ B．What can I do for you？ C．What’s the matter with you？ D．How do you like it？
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八年级下·英语·choice单项选择
— It’s too hard for me to be a pilot. — Never _________. Believe in yourself. A．put up B．give up C．hurry up D．look up
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八年级下·英语·choice单项选择
The man didn’t give up after the accident and kept on _________ mountains. A．climbing B．climber C．climbs D．climbed
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八年级下·英语·choice单项选择
—Is Paul in control ________ this supermarket? —Yes. ________ our surprise, he really does a good job. A．of; With B．with; With C．of; To D．with; To
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八年级下·英语·choice单项选择
These new types of energy cost very little and will never ______. A．look out B．come out C．run out D．stay out
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八年级下·英语·choice单项选择
_________ the doctors and nurses, the illness was under control in time. A．Thanks for B．Thanks to C．As for D．According to
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八年级下·英语·choice单项选择
Anna can’t come to school today because she is _________ . She has to stay in bed for two days. A．sick B．busy C．angry D．sorry
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八年级下·英语·choice单项选择
— My cousin has a bad _________. — He shouldn’t eat so much sweet food. A．backache B．toothache C．headache D．stomachache
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八年级·英语·选择题量词
-What can I do for you,sir? -Two ______,please．（ ）
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八年级·英语·选择题量词
There are five students and fifty teachers in our school.（ ）
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八年级·英语·选择题量词
—____honey do you need yet? —I need____spoons.（ ）
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八年级·英语·选择题固定句式
Jane was too excited to say _______ when she heard the good news.（ ）
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八年级·英语·其他并列复合句
He is young, but he can work out the problem.（改为同义句） _________he is young, he can work out the problem.
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八年级·英语·选择题并列复合句
Which of the following has the same usage as the transition in this sentence: It’s too late to invite any more people, and you know how your boyfriend hates parties.
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八年级·英语·填空题反意疑问句
Wendy is seldom late for school. （改为反意疑问句） Wendy is seldom late for school, ____________?
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