大学英语作文300字

时间:2021-02-15 08:18:40 大学英语 我要投稿

实用的大学英语作文300字集合五篇

  在日常的学习、工作、生活中,大家最不陌生的就是作文了吧,作文是从内部言语向外部言语的过渡,即从经过压缩的简要的、自己能明白的语言,向开展的、具有规范语法结构的、能为他人所理解的外部语言形式的转化。那么你知道一篇好的作文该怎么写吗?下面是小编整理的大学英语作文300字5篇,希望对大家有所帮助。

实用的大学英语作文300字集合五篇

大学英语作文300字 篇1

  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300字 篇2

  The fact that reading takes the lead (高居榜首) in cultural consumption types reveals that college students still regard acquiring knowledge, whether professional or amateur, as their priority.

  读书在文化消费中高居榜首这一事实表明,大学生仍然将获取知识,不论是专业知识还是非专业知识,看作优先事项。

  With the development of modern technology, students can easily find out information of movies or TV series they are interested in just through surfing the Internet and book a ticket online or buy a VIP membership of video websites.

  随着现代技术的发展,学生们只需通过浏览互联网就可轻易获得有关他们感兴趣的电影或电视剧的信息,并可在线订票或购买视频网站的VIP会员。

大学英语作文300字 篇3

  Nowadays,_________ is/are doing great harm to ___________.

  What are the incentives that drive people to _________? The most important factors should be __________. Furthermore,________. It directly leads to the patent and salient harmfulness that ________.

  Consequently, it is high time that the whole society should contribute to the collective efforts to put an end to ________.

大学英语作文300字 篇4

  My friend Vivi is a lively and smart girl,she has long black hair and she is a tallest girl in our class.She is warm-hearted and good- looking so that everyone loves her.I'm so glad to make friend with her.I'm out-going too,so we have been good friends for long time.But sometimes I like quiet but she doesn't.And her marks are not good as me.So,i suggested her that she should work-hard in her study so that we can go to the same university.

  This person is my best friend Vivi who i can tell everything to.Like my deeply feelings and thoughts

大学英语作文300字 篇5

  As can be clearly seen from the graph/table/chart (As is shown in the table/figure), great changed have taken place in_______, The_________ have/has skyrocketed/jumped from _____ to _____. When it comes to the reasons for the changes, different people give different explanations. Here I shall just give a few.To begin with, ______What’s more,___________, Last but not least, ________. While it is desirable that ___________, there are still some problems and difficulties for __________ Firstly, __________ ,In addition, __________ ,In a word, __________ .

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