80字英文作文关于科学家【一】
the importance of water(一
水的重要性（一）
the importance of water（一）
it is well-known that water is indispensable in existing, in producing and in living. and we should
not waste of a drop of water.
众所周知，在生产和生活中水是必不可少的。我们不应该浪费一滴水。
first, water is definitely important for life. as is known to us all, water is necessary to sup
port life. without water, human beings, animals and plants cannot exist at all.
首先，水对生命是非常重要的。众所周知，水是维持生命所必需的。没有水，人类，动物和植物都不复存在。 second, water is also significant for producing. for one thing, industrial production needs a lot of water, such as using water to generate electricity. for another, agricultural production is also in need of water, especially in irrigation.
80字英文作文关于科学家【二】
When holiday comes, thousands of people pour into the tourist sites, they want to relax themselves and enjoy the beautiful scenery. But Chinese people have a bad habit, they like to leave some notes on the site, proving them have been here before. Such a behavior has been criticized by the public, because the leaving note will damage the preservation of the tourist site. Most of the tourist sites are part of our country\'s historical relics, these sites are priceless, it is everyone\'s duty to protect the sites. When we go to travel, we should behave ourselves. First, we need to have the idea that no rubbish being leaved behind when we leave the site. We should take away what we bring, keep the environment clean. Second, no any notes being written in the sites. Though in the old days, Chinese workers like to leave their names on the sites, but now it is a new world, we need to behave ourselves.
80字英文作文关于科学家【三】
In recent years, tourism has been popular and played an important role in our nation’s economic growth. However, I am afraid that if tourism develops over, it will bring harm to the environment and give rise to many problems.
There are a few reasons accounting for my views and I would like to list three of them. One of the examples is that a large number of woods and other plants were replaced by all kinds of accommodation facilities or scenic spots. That definitely breaks the ecological balance of these areas and destroys the natural beauty of the scenic spots. Worse still, more pressure has been placed environment protection in that many tourists left their garbage in the scenic spots. In addition, over-developed tourism will occupy large numbers of farmland and lead to the shortage of the land.
In a word, tourism will be harmful to our environment if it is over development. Thus, I do not advocate that we development tourism without considering the environment. And we should keep the balance between tourism development and environment protection so that we can achieve the sustainable development between our nation’s economy and the environment.
