题目：请以”It\'s Our Duty To Protect Our Environment”为题，写一篇不少于60单词的作文。
It\'s Our Duty To Protect Our Environment
保护环境是我们的义务
It\'s our duty to protect our environment.Where do we live? The earth.The earth is the only one place we live in.So you know how important the environment is.
保护环境是我们的义务。我们居住在哪里？地球。地球是我们唯一居住的地方，所以可想而知环境对于我们的重要性。
But now, some people are harming the environment, like cutting down trees, drawing pictures on public walls, littering onto the ground.It\'s terrible if we still do it.
但是现在，很多人都在破坏环境，比如砍伐树木，在公共墙壁上乱涂乱画，随地扔垃圾。如果我们继续这样下去是非常可怕的。
Now, it\'s time for all the people in the society to protect the environment.It\'s our duty.It needs each of us to make a
contribution to improving the environment.We should make our environment more and more beautiful.
现在，是人们保护环境的时候了，这是我们的义务，我们都要为改善环境做贡献，我们应该努力让我们的环境变得更好。
点评：作者多用学过的词语，不但保证了正确，还巩固了所学的知识，
并且注意句型的多样化，如长句、短句、疑问句，使用了“if，so，
now，but”等词，整篇文章读起来朗朗上口。实际上，写文章就像串
珠子，连接词就在于把一个个单词串起来。
议论文常用的句型有：
1、论点：
Computer is important.
We must learn English well.
It\'s very important for us to...
In my opinion...
2、论证过程常用一些衔接词可使文章读起来流畅、紧凑。如：
Firstly, ...Secondly, ...Lastly, ...Above all, ...等。
3、结尾强调观点，最好用不同的句型来表达相同的观点，如：
So we must...
So it\'s very important for us to...
I believe...
We should...To protect environment is to protect life
My clamates and I had a tour this spring.We had a good time.
But meanwhile I knew that environmental pollution in our country
was becoming more and more serious.On our way, we could see
women washing clothes in the river.Litter was floating on the
river.Waste water produced by a chemical factory was being
discharged into the river.We did not see any fish in the river.The
river was not so clear as before.Water quality was very bad.I am
worried about it because water is important to all living things.
Man can not live without water.I hope people pay more attention
to this problem, especially the government.Try to control the
pollution of water as early as poible.At last I would like to say,
\"To protect environment is to protect life.\"
Water is the source of life
Earth looks like a big blue marble; from high above the Earth
and from the moon, the planet gleams and shines.The blue
water in the oceans and seas of the Earth makes a dramatic
image.Water is the source of this beauty and the source of life on
Earth.It is the reason people can live on this planet.Water is
everywhere.Water is in rock deep under the ground, in natural
holding areas.In a real sense, water keeps Earth alive.The last drop of water will be the world\'s human tears.We
Chinese are one of the 12 water-poor countries, as people
waste, water le and le.However, there are many waste of
water, for example: some of the children bought water gun filled
with water shooting water everywhere; there are some students
hand-washing after washing bowls, or not turn off the faucet,
waste a lot of water.......Yunnan-Guizhou Plateau, where the
recent prolonged drought, making survival of the population
there is facing a serious threat to addre this problem, we in
China 1.3 billion to develop awarene of water conservation.
Therefore, I appeal to you here: \"Take action at water saving
Stop earth mother from crying!
地球看上去就像一个巨大的蓝色玻璃球, 从高高的地球上空或从月
球上望去，这颗行星熠熠生辉，闪闪发光。
地球上大洋大海里的蔚蓝色的水构成了一幅激动人心的图画。 水是
地球上的美丽之源、生命之源。 水是人们能在这颗行星上生存的根
本。 到处都有水。
水深藏于地底下的岩层里、在天然蓄水区里.从真正的意思上说，
是水维持着地球的生命。
世界的最后一滴水将是人类的眼泪。我们中国是12个贫水国之一，
由于人们的浪费，水源越来越少了。
但是生活中还有许多浪费水的现象，比如；有些小朋友买来水枪到处
射水，还有一些学生洗完碗或洗完手，都不关水龙头，浪费了许多
水……最近云南贵州高原那里长时间持续干旱，使那里居民生存面临
着严重威胁，针对这个问题，我们中国13亿要养成节约用水的意识。因此，我现在向大家呼吁：‘‘珍惜每一滴水，让地球妈妈不再哭泣
