scikit learn安装

简介： ...................................................................... 2 主要特点：................................................................... 2 scikit-learn安装：（ubuntu版本14.04.1） ......................................... 2

Classification .............................................................. 2

1.监督学习 ........................................................... 2

1.1广义线性模型： ................................................ 2 1.2 支持向量机 ................................................... 9 1.3 随机梯度下降 ..............

Learn to Live in the Present Moment

To a large degree，the measure of our peace of mind is determined by how much we are able to live in the present moment．Irrespective of what happened yesterday or last year，and what may or may not happen tomorrow，the present moment is where you are －－always．

Without question，many of us have mastered the neurotic art of spending much of our lives worrying about a variety of things －－all at once．We allow past problems and future concerns to dominate our present moments，so much so that we end u

英语范文

Why learn a foreign language?

Five reasons why learning a foreign language is the smartest and the most fun thing you can do.

Number 1: Language learning sharpens your mind.

You’re not getting any younger, you know. Your brain is slowly aging, getting rusty. Stimulating your mind now is the best thing you can do to keep your brain fast and curious in many years to come. Use it or lose it. Taking up a foreign language is a fantastic way of stimulating and sharpening your mind. With modern language learning methods it is als

People learn English for different purposes

With the development of the social, English is get more and more important in the world. Different people learn English for different purposes, the purposes are as follows:

English play an important role in the international trade. People who come from different country can use English to communicate fluently and make a good impression on others, so that they can reach their purpose easily.

For some people, they learn English for interest. They like English cu

My ways to learn English

I have learn English for many years . There are a lot of ways for me to learn English .

Learning English from the teacher is the most important way for me .

After I know more English knowledge ， I begin to try my best to learn by myselves . Meawhile I will ask for help from the dictionary and computer . By this way ，I will know the pronunciations of the new words and the meanings of the difficult sentences .

In order to make my oral English better， I always watch English movies and liste

PEP四年级上册 Unit 3 My friends

Part B Let's learn 教学设计

内容简析：

本课是人教版PEP小学英语三年级起点四年级上册第三单元中的Part B Let＇s learn部分，本单元的核心语言项目my friends，本课时的教学内容是对ALet＇s learn的延伸。是对描述人物爱好展开的一系列的话题。在教学设计中通过创设生活化的情景，滚动、复现学生已有知识并帮助学生将新旧知识结合起来进行综合运用，努力打造生活化词汇教学课堂，让学生在轻松愉快的生活场景中学以致用，从而提升学生的综合语言运用能力。 学生分析:

学生是小学四年级的学生，接触英语是第二年了，他们已经初步具有运用简单句子，表达自己的喜好与意愿。他们对很多事情一般很有自己的看法；也很在意别人要倾听他的意见与建议；他们很想把自己的想法与意愿表达出来，告诉别人；他们喜欢与别人共同分享他们的一切，就成为了本教学课时的交际中心内容。

课时分析：本部分是借助Mike 和Chenjie 对话，介绍照片上同学的 外貌特点。 教学目标：

（1）听、说、认读短语long hair

The Best Way to Learn a Foreign Language is to Speak it?

Preview Page2 Discussion Understanding of the Text Exercises

Discussion1.The process of learning a foreign language can be generally divided into two parts: input and output. In five basic skills of English learning, which skills belong to input and which belong to output? 2. As for input and output, which one do you think is more important for an English learner? 3. As for the five basic skills, what do you think is the sequence in a foreign language learning? Why do y

July 7th, 2007

Teaching contents: Go for it! Book III p6: How I learned to learn English

Teaching aims: the students are supposed to

1. describe what’s happening in the movie Doraemon using the following phrases:

a) be difficult/easy for sb. to do

b) To begin with, … Later on, …

c) be afraid to

d) take notes

e) be impressed

f) write sentences using the grammar I have learnt

2. find some problems in learning English

3. find some solutions to the problems in learning English

4. reading strategy: scanning and skimming

Teaching steps:

Warmin

UNIT2

TEXT A

Learn new words and phrases

1. astronomer: n 天文学家；astronomy: n 天文学

2.explode: v 爆炸,由此联想：explosive: a 爆炸性的/n 炸药；explosion: n 爆炸

1). When the bomb______, many people were seriously wounded.

2). The unexpected ________ frightened the little girl.

3). It might be possible to convert _____ energy into heat.

Answers: exploded, explosion, explosive

3. density: n 密度；联想产生：dense: a 密度大的，反义词：sparse;

densely: ad高密度地；densely-populated人口稠密的；sparsely-populated人口稀疏的

1). The ____ fog kept the travelers from finding the correct direction.

How To Learn English!

Here are some tips which may help you to master the English Language! Speak without Fear说话而无所畏惧

The biggest problem most people face in learning a new language is their own fear. They worry that they won’t say things correctly or that they will look stupid so they don’t talk at all. Don’t do this. The fastest way to learn anything is to do it – again and again until you get it right. Like anything, learning English requires practice. Don’t let a little fear stop you from getting what you want.

Use all of