英语作文400字

时间：2023-10-09 18:47:29 英语作文我要投稿

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（优）英语作文400字5篇

　　无论是在学校还是在社会中，大家都不可避免地会接触到作文吧，写作文是培养人们的观察力、联想力、想象力、思考力和记忆力的重要手段。如何写一篇有思想、有文采的作文呢？以下是小编精心整理的英语作文400字5篇，供大家参考借鉴，希望可以帮助到有需要的朋友。

（优）英语作文400字5篇

英语作文400字篇1

　　All the people often say:"mother's love is the greatestin the world!"Yes,mother's love is very great.We mother give us very too much love.But a big number of us. don't know our mother give us too much love.Mothers are very tired .We don't know make her to rest.Mothers are thirsty.We don't know give they a cup of tea.When we beacome to father or mother.We know our parents give us much love .So,at this moment.We mut reture a good grades to our parents.

英语作文400字篇2

　　One of the animals that help people a lot is the dog. In some countries, dogs pull wagons. In the cold north, dogs pull sleds.

　　There are other ways that dogs help us, too. Policemen use them to look for missing people. Soldiers use them to carry letters and medicine .On farms, dogs take care of sheep and keep them in the fields. At night, they take the sheep home. Dogs help the blind with work. Some dogs are good and kind. Some dogs are good at another skill.

　　狗

　　有一种是狗的'动物给人们提供很多帮助。在一些国家,狗拉马车。在寒冷的北方,狗拉雪橇。

　　狗还有其他的方法可以帮助我们。警察使用它们来寻找失踪人员。士兵携带信件和医学中使用它们。在农场,狗看守绵羊，让它们待在田地里。晚上,它们把羊带回家。狗帮助盲人工作。有些狗很友好而且善良。有些狗擅长另一项技能。

英语作文400字篇3

　　About 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.

英语作文400字篇4

　　There are things that you can do to keep your self healthy. For example, brush your teeth well, so your gums will be healthy and you may not get any cavity in your teeth;

　　wash yourself regularly, so your skin will feel more comfortable and you will not get skin diseases so easy; wear clean clothes and shoes;

　　do not eat food which is not clean; keep your house dry and clean, and free from flies, cockroaches, and ; mosquitoes; let your house get enough sunlight and fresh air. All these are part of your personal hygiene.

　　Even with this minimum level of hygiene you will reduce disease more effectively than a group of doctors.

英语作文400字篇5

　　如果我们分析海水的盐度，会发现地区间只有轻微的变化，然而有些小的变化是重要的。导致海洋的盐度变化的基本过程有三个。

　　其中之一是通过蒸发的方式即把液态水转化为水蒸气来减少海洋中的水分。这样由于盐留了下来，所以盐度增大。

　　当然，如果这种方式走向极端，将会余下白色的盐晶体。与蒸发相反的是降水，如降雨，由此水被加入海中，海水被稀释，从而盐度降低。这种情形会发生在大量降雨的地区，或江河入海岸处。因此，盐度通过蒸发减少水分而上升或通过降水或径流增加淡水成分而下降。

　　一般来说，在阳光很强烈的'热带地区，海水的盐度略高于世界上其它没有热带那样多的蒸发的地区。同理，在江河稀释海水的海岸地带，海水盐度略低于其它海区。

　　第三个可以变更盐度的过程与海洋中冰的形成和融化有关。海水冻结时，溶于其中的物质被留了下来。这样，在新形成的海水冰面的正下方的海水比在冰形成之前有更高的盐度。当然，当冰融化的时候，会降低周围水中的盐度。在南极洲边缘的威德尔海中，结冰过程增加低温海水的盐度，从而形成了浓度最大的海水。这些大密度的海水下沉，可以在世界海洋的深水域发现。

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