初中学习网-人民教育出版社人教版部编同步解析与测评答案-电子课本资料下载-知识点总结学习方法与技巧补课解题技巧学习计划表-人教网-初中试卷网-中学学科网

［初一英语作文］ Visiting My Friend

This afternoon I went to see my friend Liu Ying. She has been ill for three days and this morning she felt even worse, so her father took her to the hospital. The doctor examined her carefully and said it was nothing serious. She got a comm...

［初一年级英语作文］我的家乡 My home town

My home town My home town isevery beautiful. it stands beside a wide river and is rich in fish and rice. But in the old days it was a poor and backward little town. many people had no work. they lived a hard life. In 1949 my hometown was li...

［初一年级英语作文］关于植树节的英语作文

March 12th is Tree Planting Day. This year our school bought enough trees before that day . On that day , we didn‘t had classes . The teachers and our classmates planted trees around our school. We began to planted trees as soon as we got...

全等三角形辅导资料

应知 一、基本概念 命题：可以判断出它是正确的还是错误的句子叫做命题，正确的命题称为真命题，错误的命题称为假命题。 在数学中，许多命题是由题设（或已知条件）、结论两部...

数据的整理与初步处理辅导资料

应知 一、基本概念 算术平均数：一组数据的总和与这组数据的个数之比叫这组数据的算术平均数。其计算公式为：，即：算术平均数=各数据的和÷数据的个数。 算术平均数是全部数据...

［初一年级英语作文］关于英语重要性的英语作文

Its Important to Learn English English is widely used throughout the world. So many people speak it as a second language. ()n line, youll find lots of information in English. If you dont understand English, how can you know more about the wo...

平行四边形的判定辅导资料

应知 基本法则 平行四边形的判定。 ⑴两组对边分别平行的四边形。 ⑵两组对边分别相等的四边形。 ⑶一组对边平行且相等的四边形。 ⑷两条对角线相互平分的四边形。 ⑸两组对角分...

［初一年级英语作文］Cars or Bikes?

题目：有人选择骑自行车上学/班,有人选择开/坐私家车上学/班。你觉得哪种出行方式更好? 为什么? Cars or Bikes? Cars and bicycles are similar in that they are both privately owned means of transport. In othe...

函数及其图象辅导资料

应知 一、基本概念 函数：一般地，在一个变化过程中，如果有两个变量x与y，并且对于x的每个确定的值，y都有唯一确定的值与其对应，那么我们就说x是自变量，y是x的函数．如果当x...

［初一年级英语作文］我的同学

Liu Kai is my classmate. He is a good student and always ready to help others. One day on his way to school，he saw a little girl crossing the road. A car was coming towards her quickly and the girl was too frightened to move. The car nearl...