英語作文400字

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（優）英語作文400字5篇

　　無論是在學校還是在社會中，大家都不可避免地會接觸到作文吧，寫作文是培養人們的觀察力、聯想力、想象力、思考力和記憶力的重要手段。如何寫一篇有思想、有文采的作文呢？以下是小編精心整理的英語作文400字5篇，供大家參考借鑒，希望可以幫助到有需要的朋友。

（優）英語作文400字5篇

英語作文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.

英語作文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

　　有一種是狗的'動物給人們提供很多幫助。在一些國家,狗拉馬車。在寒冷的北方,狗拉雪橇。

　　狗還有其他的方法可以幫助我們。警察使用它們來尋找失蹤人員。士兵攜帶信件和醫學中使用它們。在農場,狗看守綿羊，讓它們待在田地里。晚上,它們把羊帶回家。狗幫助盲人工作。有些狗很友好而且善良。有些狗擅長另一項技能。

英語作文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.

英語作文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.

英語作文400字篇5

　　如果我們分析海水的鹽度，會發現地區間只有輕微的變化，然而有些小的變化是重要的。導致海洋的鹽度變化的基本過程有三個。

　　其中之一是通過蒸發的方式即把液態水轉化為水蒸氣來減少海洋中的水分。這樣由于鹽留了下來，所以鹽度增大。

　　當然，如果這種方式走向極端，將會余下白色的鹽晶體。與蒸發相反的是降水，如降雨，由此水被加入海中，海水被稀釋，從而鹽度降低。這種情形會發生在大量降雨的地區，或江河入海岸處。因此，鹽度通過蒸發減少水分而上升或通過降水或徑流增加淡水成分而下降。

　　一般來說，在陽光很強烈的'熱帶地區，海水的鹽度略高于世界上其它沒有熱帶那樣多的蒸發的地區。同理，在江河稀釋海水的海岸地帶，海水鹽度略低于其它海區。

　　第三個可以變更鹽度的過程與海洋中冰的形成和融化有關。海水凍結時，溶于其中的物質被留了下來。這樣，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鹽度。當然，當冰融化的時候，會降低周圍水中的鹽度。在南極洲邊緣的威德爾海中，結冰過程增加低溫海水的鹽度，從而形成了濃度最大的海水。這些大密度的海水下沉，可以在世界海洋的深水域發現。

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