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精選大學英語作文300字集錦八篇

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精選大學英語作文300字集錦八篇

大學英語作文300字 篇1

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。這樣由於鹽留了下來,所以鹽度增大。

當然,如果這種方式走向極端,將會餘下白色的鹽晶體。 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,海水的鹽度略高於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,海水鹽度略低於其它海區。

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,溶於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。

大學英語作文300字 篇2

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 ________.

大學英語作文300字 篇3

1. at the thought of一想到

2. as a whole 就整體而論

3. at will 隨心所欲

4. abundant in 富於,富有

5. access 能接近,進入,瞭解

6. by accident偶然地,意外. Without accident 安全地,

7. of ones own accord自願地 ,主動地

8. in accord with 與一致 . out of ones accord with 同。不一致

9. with one accord 一致地

10. in accordance with 依照,根據

11. on ones own account

1) 為了某人的緣故, 為了某人自己的利益2) 自行負責3) 依靠自己

12. takeinto account把..。考慮進去

13. give sb. an account of 說明, 解釋

14. account for 解釋, 說明。

15. on account of 由於,因為。

16. on no account絕不要,無論如何不要

17. accuseof 指控,控告

18. be accustomed to 習慣於

大學英語作文300字 篇4

i’m eager to go to college because i know there’s much to learn about the world and human beings. knowledge is a source of pleasure for me. equipped with more knowledge, i can make a contribution to our country. what’s more, college education can prepare me for a better future. in my opinion, better education means better jobs, better opportunities and better choices. last but not least, the reason why i want to go to college is that my parents and those who love me will be happy, if i can study at a nice university. i don’t want to let them down so i’ll do what i can to realize ly hream.

大學英語作文300字 篇5

july 20th 1969 was an important day for the human american astronauts landed on the moon. it was the first time for man to be on the moon. as soon as they got there, they put a television camera on the moon in order to let the people on the earth watch them on tv at home. before they left the moon, they collected some moon rocks and brought them back to the earth. a new age of eploration began.

大學英語作文300字 篇6

Dear ________,

Im very ___________ to know / learn that __________. I am writing to voice my suggestions / proposals / views concerning _________. In my opinion,_________. On the on hand,__________. On the other hand,__________.

As to _________, I would like to suggest / recommend that __________, because __________. It would be __________. In addition,___________. I am sure that __________.

Please inform me of your feedback on __________. I am looking forward to __________.

Truly yours,

_________

大學英語作文300字 篇7

After passing the 20xx College Entrance Examination, I find my name in the enrolling list ofNanjingAuditUniversitywhich many young people dream of。 As a boy of 18, I am happy to go to such a famous university, so that I want to make my life colorful and fruitful in university。 Here's my plan for university life。

20cc年大學聯考結束後,我在南京審計學院的錄取名單上發現了我的名字,這是一所很多年輕人都夢寐以求的大學。作為一名18歲的男孩,我很高興能去這樣的名校,因此,我想讓我的大學生活多彩而又充實。以下是我大學生活的規劃。

大學英語作文300字 篇8

As we know, many people favor the idea that the college life is free and comfortable, but I’d like to say it’s not true。 As a matter of fact, my life in university is so busy that I wonder if my energy is enough。 As to my college life, I divide it into four parts, including study, student activities, library and the others。

我們知道,很多人認為大學生活是自由、舒適的,但我想說這不是真的。事實上,我的大學生活是如此的忙碌,以至於我都不知道我的能量是否足夠。至於我的大學生活,我把它分為四個部分,包括學習,學生活動,圖書館和其他的。