写作[上学期]
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文档简介
课件11张PPT。说明文写作技巧1.要善于抓住事物的特征
2.要安排合理的说明顺序
（1）时间顺序
（2）空间顺序
（3）逻辑顺序3.选择适当的说明方法
（1）下定义
（2）分类法
（3）举例子
（4）作比较
4.采用准确的语言文字How to Protect Our Eyesight
The following points are important for we to protect our eyesight:
First, we should let our eyes take a rest after one hour or two. Don’t make them tired. Second, we must do eye-exercises twice a day. It’s good for our eyes to see the distant trees or other objects once a while. Third, don’t read in bed or on a moving bus or in a dim light or in the sun.
Another thing you should pay attention to is when something enters the eyes ,don’t rub it. Wash it out with cooled water. If we can’t get it out, go to see a doctor.
When we must squint to see clearly, it means we should have a medical-examination and wear glasses. Panda, a National Treasure of China
Panda belongs to the cat family. It looks likes bear but smaller than it. It has short tail and thick fur.
Panda in China lives in the mountain areas in the western and northern parts of Sichuan Province. The biggest panda park is in Sichuan Province. Panda likes to eat bamboo shoots, bamboo leaves and small animals.
Panda is one of the rare animals in the world. It is a national treasure of China. Two pandas were sent to the U.S.A. as gifts. They are in an American National Park now.
Now the number of pandas is increasing every year, because many specialists are living in our National Park and they are taking good care of pandas.
People hope that panda will be sent free from the National Park and return to the wild one day.
常用词组：属于 belong to
……. 的数量 the number of
猫科 the cat family 释放 set free
照顾 take care of 返回 return to
作文评析
本篇作文根据熊猫的特征，写出要点，介绍了我国国宝熊猫，用词准确，语句连贯，时态运用恰当，但本文不足之处是二、三段简单句过多，显得结构有些松散。
说明文的主要特点：一是知识性和科学性，二是应用性和解说性，三是行文的条理性。
说明文的 时态常用一般现在时，语态常用被动语态，有时用虚拟语气。Computer 课文p64
Have you ever seen a computer? Let me tell you something about it.
A computer is an electric calculating machine that can store and recall information and make calculations at a very high speed. It is a wonderful machine and can do most of the things people can do, but it work millions of times faster. The first large, modern computer was built in 1946,and people needed a large house to put it in .In the last few years there have been great changes in computers.
Today they can be used in many fields. People even use it to pay bills or order what they want. it is said that in the future computers would arrange everything for people, and do almost all kinds of work .that would be a real computer society.香香、张含韵等同龄人凭借自己的一技之长打拼出一片天空。于是，人们对“读书是否有用”持不同的看法。
注意：1、必须包括所有内容要点，可适当发挥。
2、词数120左右
3、参考词汇：投资 investment (n.), 修剪 prune (vt.)读书是否有用 Some people think that it seems impossible for all the people to achieve success in the same way---- by going to school. Many gifted people, such as Edison and Bill Gates, took different routes. Since education doesn’t treat everyone fairly, we should encourage some people to develop in other ways.
However, others say those who think knowledge is useless are so short-sighted. An investment in education always results in the best interests. And natural abilities are like plants, which need pruning by study,
But what I should care about is how to teach children, so they develop their own skills that they need to be successful.根据以下提示用英语写一篇说明文。
1.电脑是一种精细微妙的机器。现在的电脑大多可存储信息，并可在需要时提取，因此电脑得以广泛应用。
2.科学家们正在改进电脑，使之变得更小巧并且更易操作。电脑的工作速度也越来越快。
3.电脑可以做很多工作， 比如在商业、科研、医学方面。我们不仅在一些大工厂里可以见到电脑，而且可以在一些家庭中见到。电脑正日益受到人们的欢迎。
要求:1.不要逐字逐句翻译。
2.语句要连贯通顺。
3.词数在150左右。 The computer is a wonderful machine. Today most computers have a memory. That means information can be stored in them and be taken out any time when it is needed. So computers are used a lot in many ways.
Scientists are trying to make computers smaller and smaller so that they can be easily used. Computers have worked faster and faster now.
Computers can do many kinds of work. They can be used in doing business work, in scientific research work and in science of medicine. We can see them in some large factories, even in many homes. They have become popular indeed.
2.要安排合理的说明顺序
（1）时间顺序
（2）空间顺序
（3）逻辑顺序3.选择适当的说明方法
（1）下定义
（2）分类法
（3）举例子
（4）作比较
4.采用准确的语言文字How to Protect Our Eyesight
The following points are important for we to protect our eyesight:
First, we should let our eyes take a rest after one hour or two. Don’t make them tired. Second, we must do eye-exercises twice a day. It’s good for our eyes to see the distant trees or other objects once a while. Third, don’t read in bed or on a moving bus or in a dim light or in the sun.
Another thing you should pay attention to is when something enters the eyes ,don’t rub it. Wash it out with cooled water. If we can’t get it out, go to see a doctor.
When we must squint to see clearly, it means we should have a medical-examination and wear glasses. Panda, a National Treasure of China
Panda belongs to the cat family. It looks likes bear but smaller than it. It has short tail and thick fur.
Panda in China lives in the mountain areas in the western and northern parts of Sichuan Province. The biggest panda park is in Sichuan Province. Panda likes to eat bamboo shoots, bamboo leaves and small animals.
Panda is one of the rare animals in the world. It is a national treasure of China. Two pandas were sent to the U.S.A. as gifts. They are in an American National Park now.
Now the number of pandas is increasing every year, because many specialists are living in our National Park and they are taking good care of pandas.
People hope that panda will be sent free from the National Park and return to the wild one day.
常用词组：属于 belong to
……. 的数量 the number of
猫科 the cat family 释放 set free
照顾 take care of 返回 return to
作文评析
本篇作文根据熊猫的特征，写出要点，介绍了我国国宝熊猫，用词准确，语句连贯，时态运用恰当，但本文不足之处是二、三段简单句过多，显得结构有些松散。
说明文的主要特点：一是知识性和科学性，二是应用性和解说性，三是行文的条理性。
说明文的 时态常用一般现在时，语态常用被动语态，有时用虚拟语气。Computer 课文p64
Have you ever seen a computer? Let me tell you something about it.
A computer is an electric calculating machine that can store and recall information and make calculations at a very high speed. It is a wonderful machine and can do most of the things people can do, but it work millions of times faster. The first large, modern computer was built in 1946,and people needed a large house to put it in .In the last few years there have been great changes in computers.
Today they can be used in many fields. People even use it to pay bills or order what they want. it is said that in the future computers would arrange everything for people, and do almost all kinds of work .that would be a real computer society.香香、张含韵等同龄人凭借自己的一技之长打拼出一片天空。于是，人们对“读书是否有用”持不同的看法。
注意：1、必须包括所有内容要点，可适当发挥。
2、词数120左右
3、参考词汇：投资 investment (n.), 修剪 prune (vt.)读书是否有用 Some people think that it seems impossible for all the people to achieve success in the same way---- by going to school. Many gifted people, such as Edison and Bill Gates, took different routes. Since education doesn’t treat everyone fairly, we should encourage some people to develop in other ways.
However, others say those who think knowledge is useless are so short-sighted. An investment in education always results in the best interests. And natural abilities are like plants, which need pruning by study,
But what I should care about is how to teach children, so they develop their own skills that they need to be successful.根据以下提示用英语写一篇说明文。
1.电脑是一种精细微妙的机器。现在的电脑大多可存储信息，并可在需要时提取，因此电脑得以广泛应用。
2.科学家们正在改进电脑，使之变得更小巧并且更易操作。电脑的工作速度也越来越快。
3.电脑可以做很多工作， 比如在商业、科研、医学方面。我们不仅在一些大工厂里可以见到电脑，而且可以在一些家庭中见到。电脑正日益受到人们的欢迎。
要求:1.不要逐字逐句翻译。
2.语句要连贯通顺。
3.词数在150左右。 The computer is a wonderful machine. Today most computers have a memory. That means information can be stored in them and be taken out any time when it is needed. So computers are used a lot in many ways.
Scientists are trying to make computers smaller and smaller so that they can be easily used. Computers have worked faster and faster now.
Computers can do many kinds of work. They can be used in doing business work, in scientific research work and in science of medicine. We can see them in some large factories, even in many homes. They have become popular indeed.