英语专业四级作文范文 The Importance of Physical Exercise

 The Importance of Physical Exercise

Everyone hopes to live happily in the world. Physical exercise is indispensable¹ to a happy life. There is a famous saying: "Life lies on exercise." Although you will not necessarily² die without regular physical exercises, they' II certainly help you live longer and more healthily.

Exercise is good for us to build our bodies. It helps co - ordinate the different parts of our bodies when we have sports. For example, we must try our best to co - ordinate the movements of the arms and legs when we play basketball, or we won't be able to shoot the basket. Exercise also benefits our organs. It lets the heart beat faster than usual, and then helps enlarge³ the blood vessels⁴ to protect us from heart attacks. 

Exercise can also contribute to the development of our ability to response agilely⁵. For instance⁶, when you play table- tennis, you must try to reflect as quickly as you can so that you may fight back at the right position at the fight moment. 

Exercise can also contribute to improving our mood. When you do exercise, you move a lot, and you have to be more active. It helps you become more optimistic.

Exercise will fill your life with various contents and make it more colorful.

What's more, exercise will help you get rid of your inertia⁷. If you keep doing exercise regularly, you will never be a lazy person. Therefore, exercise has great effect on one's character.

 In a word, exercise is helpful, important and absolutely necessary.

1 indispensable   

adj.必不可少的，绝对必要的

参考例句：

• He is indispensable to our work,we cannot do it without him.对于我们的工作来说，他是不可缺少的，没有他我们就做不了。
• This is an indispensable part of his creed.这是他的信条中必不可少的一部分。

2 necessarily   

adv.必要地，必需地；必定地，必然地

参考例句：

• More work does not necessarily call for more men.增加工作量不一定就要增添人员。
• A voter must necessarily be no younger than eighteen.选民必须在18岁以上。

3 enlarge   

vt.扩大，扩展，使增大

参考例句：

• This photograph is too small,please enlarge it for me.这张照片太小，请把它给我放大。
• This book is intended to enlarge vocabulary.这本书的目的是为了扩大词汇量。

4 vessels   

n.血管( vessel的名词复数 )；船；容器；（具有特殊品质或接受特殊品质的）人

参考例句：

• The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
• All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》

5 agilely   

adv.敏捷地

参考例句：

• She would have steered agilely up the ladders and left the snakes alone. 她会灵活地顺着梯子爬上去，远远地躲开这些卑鄙龌龊的人。 来自辞典例句
• Consequently, with flexible decision making enterprise can avoid loss agilely. 这样就使得决策更具灵活性，能更好的避免损失。 来自互联网

6 instance   

n.例，例证，实例

参考例句：

• Can you quote me a recent instance?你能给我举一个最近的例子吗？
• He's a greedy boy,yesterday,for instance,he ate all our biscuits!他是个贪吃的孩子――比如，他昨天把我们的饼干都吃了！

7 inertia   

adj.惰性，惯性，懒惰，迟钝

参考例句：

• We had a feeling of inertia in the afternoon.下午我们感觉很懒。
• Inertia carried the plane onto the ground.飞机靠惯性着陆。