植物作文的作用？

绿色植物是在植物体内（叶、茎部分）含有叶绿素，能利用太阳光，吸收空气中二氧化碳，在植物体内进行光合作用，把二氧化碳和水经光合作用（是一种化学反应）生成葡萄糖，并放出氧气的一类植物。在自然界中，绝大多数植物是绿色植物，那么绿色植物有什么好处呢？

绿色植物可以为我们提供氧气和减少空气中的二氧化碳。因为绿色植物可以在阳光下进行光合作用，吸收二氧化碳，释放氧气。研究表明，植物每生长1吨，可以产生5吨氧。每公顷树林每天可以吸收1吨二氧化碳，产生0.735吨氧气；每公顷草地每天能吸收0.9吨二氧化碳，产生0.6吨氧气。所以绿色植物对改善空气质量有很大帮助。

绿色植物能对人体的健康起到很大帮助。据报道，地球上的树木每天可向大气中散发1.7亿吨萜烯物质，这种芳香物质具有无可比拟的杀菌能力和兴奋作用。有数据表明，能分泌含有挥发性植物杀菌素的树木（如香樟、松树、榆树、侧柏、柠檬、桂树、丁香等）达300多种之多。可以看出绿色植物是我们日常生活中必不可少的“私人医生”。绿色植物可以减少噪声的污染。我们走在马路上，可以看到马路两旁都有许多树木，那是因为绿色植物对声波有散射作用，当声波通过被风吹摇的树叶时，会明显减弱或消失。据测定，林带可吸收噪20％―26％，使其强度降低20―25分贝。可以使我们的听力得到保护。

绿色植物还有很多好处如吸尘作用、遮阴作用……所以绿色植物好处多。

英语植物作文的结尾？

Plants are beautiful and amazing. Let's cherish them and be a good friend with them.

喜欢的植物英语作文？

My Favorite PlantMy favorite plant is the Lucky Bamboo.I have loved it since Mom bought me one.It is always green and easy to plant.It also brings me more fresh air and makes my room look nicer.

鲸鱼的作用英语作文？

　　A whale is a huge animal, it is full of treasure.

　　The Japanese whaling, often take a whale as one of the worlds delicious. The Japanese whales catch, is not to eat is to do things, the number of whales now less and less, dont whaling nations, the Japanese whaling. The Japanese had captured 440 minke whales. Is anyway not to put the sell those poor minke whales to hotel. The Japanese whaling said again, we are used to study. In fact, the Japanese whale meat to the restaurant and hotel, just want to get rich. The Japanese would really lie. I really hate them.

　　The whales that state protection. Now the Japanese whaling. If you dont eat whale hunt to the Japanese, the state is relieved. How do we let the Japanese whaling! This makes the motherland to worry.

　　I thought, and the Japanese peace, no, they will also have the whaling. Or let them whaling, no. We secretly protecting whales, no. Talk to the Japanese President conditions, no, no, all not line.

　　We watched the whales by the Japanese to catch to eat! We Chinese will try every way to save the whales!

公筷的作用英语作文？

Use of chopsticks: special chopsticks for picking vegetables to prevent diseases from spreading to others. The chopsticks are usually white. Each person should have a pair. They can only be used when picking up dishes.

保护植物英语作文？

Protect Trees

Ladies and gentlemen, I want to say something about trees. As we know now trees are very important to human beings. First of all, they benefit our health. They send out oxygen for us to breathe. We can't live without trees.Secondly, trees can beautify our environment.

As trees are so important, we must do our best to protect them. We must enforce the tree protection laws. We must plant as many trees as possible.Only in this way can we live happily in the beautiful world.

关于研究植物的英语作文？

Plants Plants are very important living things. Life could not go on if there were no plants. This is because plants can make food from air, water and sunlight. Animals and man cannot do so. Animals get their food by eating plants and other animals. Man gets his food by eating plants and animals, too. Therefore, animals and man need plants in order to live

英语作文中首段的作用？

首段作用:

1、开门见山，作为文章的论点，有着引出下文的作用。

2、要是首段是疑问句，可以引起读者的阅读兴趣和阅读思考，制造了悬念，为后文做下铺垫的作用。

3、要是首段是感叹句，可以加强文章的语气，抒情的更加强烈。

4、要是首段是反问句，就是加强了语气。

电商的作用英语作文？

The role of e-commerce is to let consumers shopping online online, online payment, saving customers and businesses, and greatly improving transaction efficiency. E-commerce specific roles include advertising, consulting negotiations, online ordering, etc.

爱护动植物英语作文？

The biodiversity of the earth is declining rapidly,and many species are facing the threat of extinction.

The survival of wild animals and plants is the main factor of habitat loss and commercial development However,the resources of wild animals and plants and their productsin international trade are limited.

It is necessary to put forward specifc suggestions on the protection level of endangered speciesWecan formulate the corresponding laws on endangered species and apply for th e establishment of natural conservation

We must restrict th einternational trade of endangered wildlife species and for mulate laws to protect endangered species.