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关于大学英语作文400字四篇
在平凡的学习、工作、生活中,大家都写过作文,肯定对各类作文都很熟悉吧,作文是一种言语活动,具有高度的综合性和创造性。作文的注意事项有许多,你确定会写吗?以下是小编精心整理的大学英语作文400字4篇,仅供参考,大家一起来看看吧。
大学英语作文400字 篇1
According to a recent survey,about 25 percent of college students have a part-time job.During summer vacation,this figure will increase to 72 percent.College students are working as tutors,waiters or salesmen.
Why do they want part-time jobs?First,they want to earn money to help cover the increasingly higher college tuition.Second,they hope to be economically independent and buy whatever they want.
By doing part-time jobs,college students can gain some society experience and broaden their outlook.What’s more,part-time jobs can provide them with a valuable chance/opportunity to know the outside world.
大学英语作文400字 篇2
When you go to work in the morning and find that traffic lights don't work, the traffic jam will certainly happen. A patient needs to be operated on at once. What will happen if the operation cannot be made because of the electricity. Without electricity, we can neither watch TV, listen to the tape, nor chat on line. Electricity is closely related to our daily life.
How terrible it would be if there were no electricity!
当你早上去上班时发现交通灯不工作,交通阻塞一定会发生。一个病人需要立即手术。如果不能用电的话,会发生什么事。没有电,我们既不能看电视,听录音,也不能在网上聊天。电力与我们的日常生活密切相关。
如果没有电,那将是多么可怕的.事情!
大学英语作文400字 篇3
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。
大学英语作文400字 篇4
Mama,that summer,on the way to Klitsemi,my straw hat flew down the mountains.Mama,do you remember,the old straw hat you gave to me ?
I lost that hat long ago, it flew to the foggy canyou. Mama,I wonder what happened to that old straw hat which fell down the mountain-said and whirled out of my reach like your heart. Suddenly that wind came up,stealing my hat from me. Swirling gust of wind blew it higher ,and higher 鈥︹?Mama,that old straw hat was the only one I really love.But I lost it,no one could bring it back,like tha life you give me.
Mama,that summer,on the way to Klitsemi,I lost me straw hat.The lilies along the road wilted.And under that straw hat,the crickets wept every night ?
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