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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·填空题Unit 6 Pets
As we know, it's difficult to live in a foreign country, (especial) if you can't understand the language there.
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八年级下·英语·填空题Unit 6 Pets
Finally, they walked through the forest (safe).
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八年级下·英语·填空题Unit 6 Pets
She does not study so (good) as I do.
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八年级下·英语·填空题Unit 6 Pets
Which animal runs (fast) in the world?
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八年级下·英语·填空题Unit 6 Pets
Li Lei doesn't study so (care) as his sister.
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八年级下·英语·填空题Unit 6 Pets
Lucy is an active student. She answers the teachers' questions (active) than any other student in her class.
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
阅读短文，下列问题Jane Goodall is a famous scientist. For more than 40 years, Goodall lived mostly in Tanzania in East Africa, studying chimpanzees. As a young child, Jane Goodall was interested in animals. She grew up in the Eng
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
阅读理解 Over 80G of the ancient forests have already been destroyed. Thousand-year-old trees are cut down just to make everyday goods. More and more wild animals are in danger now. Wild animals are our friends, and we canno
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
根据材料内容，选择正确答案。 In nature, you may see many insects(昆虫) and animals of different colors. Have you ever wondered why? Locusts are super delicious food for birds, but it is not always an easy job for birds to catch them. It
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
阅读理解 The largest animal ever to live on Earth is the blue whale. It weighs about 80 tons--more than 24 big elephants. It is more than 30 metres long. A new baby whale weighs as much as a big elephant. Cats won't die if t
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
阅读理解 There are many wetlands in China and some of them have become the world's important wetlands. The Chinese Yellow Sea Wetlands are among them. They are in Yancheng, Jiangsu Province. They are home to many different k
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八年级下·英语·阅读理解Unit 5 Save the endangered animals
阅读理解 Many animals are in danger of dying out. We can see the number of animal species decreases faster and faster and this trend will continue. From 1980 to 2010, at least I million animal species disappeared. Worse stil
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八年级下·英语·填空题Unit 5 Save the endangered animals
完形填空 In July, little Helen always goes to see her grandfather. He lives on the farm. On the farm, there are many kinds of （1） , such as cows, dogs, cats and sheep. She likes to play with them （2） they can make her happy.
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八年级下·英语·填空题Unit 5 Save the endangered animals
阅读下面短文，从短文后所给的A、B、C三个选项中选出能填入相应空白处的最佳选项。 Many of us enjoy watching animals in the world. But do you know they can teach us? Geese(雁), for example, teach a very good lesson about （1） . In the fall, Canada geese fly to the
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八年级下·英语·句型转换Unit 4 Cartoons and comic strips
The teacher made the students copy the text.(改为被动语态) The students were copy the text.
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八年级下·英语·句型转换Unit 4 Cartoons and comic strips
He can draw many pictures. (改为被动语态)
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八年级下·英语·句型转换Unit 4 Cartoons and comic strips
We should mend the door. (改为被动语态)
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八年级下·英语·句型转换Unit 4 Cartoons and comic strips
You should tell your mother the truth. (改为被动语态)
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八年级下·英语·句型转换Unit 4 Cartoons and comic strips
Tom has eaten the cake. (改为被动语态)
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八年级下·英语·阅读理解Unit 4 Cartoons and comic strips
根据材料内容，选择正确答案。 When I was a foreign teacher in China, every day I taught English to my students and they taught me about China. One day the topic turned to saying "I love you". I was shocked to learn that not one of my s
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