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英語作文300字
無論是在學(xué)校還是在社會(huì)中，大家都不可避免地要接觸到作文吧，作文是人們以書面形式表情達(dá)意的言語活動(dòng)。相信許多人會(huì)覺得作文很難寫吧，下面是小編幫大家整理的英語作文300字9篇，僅供參考，大家一起來看看吧。
英語作文300字 篇1
如果我們分析海水的鹽度，會(huì)發(fā)現(xiàn)地區(qū)間只有輕微的變化，然而有些小的變化是重要的。 導(dǎo)致海洋的鹽度變化的基本過程有三個(gè)。
其中之一是通過蒸發(fā)的方式即把液態(tài)水轉(zhuǎn)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(dāng)然，如果這種方式走向極端，將會(huì)余下白色的鹽晶體。 與蒸發(fā)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(huì)發(fā)生在大量降雨的`地區(qū)，或江河入海岸處。 因此，鹽度通過蒸發(fā)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(qiáng)烈的熱帶地區(qū)，海水的鹽度略高于世界上其它沒有熱帶那樣多的蒸發(fā)的地區(qū)。 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(qū)。
第三個(gè)可以變更鹽度的過程與海洋中冰的形成和融化有關(guān)。 海水凍結(jié)時(shí)，溶于其中的物質(zhì)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(dāng)然，當(dāng)冰融化的時(shí)候，會(huì)降低周圍水中的鹽度。 在南極洲邊緣的威德爾海中，結(jié)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(fā)現(xiàn)。
英語作文300字 篇2
Happy day
Today I＇m very happy,after I have breakfast,I go to park.
It＇s a sunny day ,the bird is singing,I＇m singing too.When I get to park,I see some girls are playing games ,so I join them.We play very happy.Then I have lunch with my friends.We both have a good time.what＇s a happy day
Mothers Day
母親節(jié)是五月的第二個(gè)星期日。今年母親節(jié)那天，我為母親買了一件毛衣和一束鮮花作為禮物，感謝母親為我付出的辛苦。母親收到禮物后，非常高興。
Mother＇s Day comes on the second Sunday in May each year. On that day this year, I bought a sweater and some flowers for my mother to thank her for her hard work for me. Receiving my gift, my mother was very happy.
英語作文300字 篇3
�、�.Writing
May 19,20xx
Dear Professor Wang：
On behalf of the Student Union of the English Department,I am writing to invite you to give a lecture on Chinese history.
We have planned to have such a lecture at 2:30 p. m. in Lecture Hall 419,on May 25.
Looking forward to your lecture. Inform us in advance if you can not come.
Sincerely yours,
Li Ping
英語作文300字 篇4
1. With the development/improvement of ——,——.
2. It is necessary that——.
3. On the one hand, ——.
4. On the other hand, ——.
5. Therefore, how to —— is worthpaying attention.
6. Firstly——
7. Secondly——
8. For example,——
9. Thirdly, ——.
10. In other words,——
11. In fact, ways to —— arecountless.
12. It's time that ——
1.空格一處鋪墊，空格二處填寫某一問題。
2. 注解決現(xiàn)象引出的'問題很必要。
3.解決問題很必要的理由一。
4.解決問題很必要的理由二。
5.承上啟下，填要解決的問題。
6. 解決辦法一。
7. 解決辦法二。
8. 舉例解釋解決辦法二。
9. 解決辦法三。
10. 闡明解決辦法三。
11. 出解決問題的辦法多種多樣。
12. 強(qiáng)調(diào)解決問題時(shí)不可待。
英語作文300字 篇5
Hello，everybody! My name is tom. I have a brother. His name is Mike. My family all likes playing sports. My mother likes playing tennis. She has 10 tennis balls. My father likes ping-pong. He has 8 ping-pong bats. Mike likes basketball.
He can play basketball very well. He has 3 basketballs. And I like playing soccer. It’s very easy for me. At school, I often play soccer with my classmates. I have 5 soccer balls. Do you like sports? If you like sports, you can play with me.
英語作文300字 篇6
Last Friday, it was a sunny day. We went to The Oriental Greenboat.
The Oriental Greenboat is also an interesting place. There are Children’s World and Interesting Bridge.Children also can stand on the interesting bridge, but some children don’t like it. Because of the bridge was on the lake! It’s dangerous. It’s easier to fall in the lake.
There is even an International safeguards In The Oriental Greenboat.
There are lots of aero planes in it. Some are small , and some are big. And there is a lot of space for us to admire.
We all had a wonderful time there! What a nice spring trip!
英語作文300字 篇7
i went out to see a film after supper. on my way to the cinema, i met an englishman named john, who had lost his way. i gave up the chance to see the film and took him to his hotel. while going there, i told him the great changes that had taken place here in the past few years and john told me something about his country.
though i had missed the film, i felt very happy, for i had not only helped john get out of trouble, but also practised my spoken english. if i had not worked hard at english, i would not have been able to help john.
英語作文300字 篇8
I Want to be A Teacher
I want to be a teacher because I think that becoming a teacher is very proud.When I was young,my mother told me that teacher is one of the most important job in the world.Since then,I study harder than before.I found that not all the students are love their teachers,but the teachers love all their student.So I found that teacher is a fishless job.
英語作文300字 篇9
Graduated from primary school immediately. I am about to graduate as one of the primary, the primary six years of life is very emotional, I have studied the application of knowledge. Elementary school learning and training of my life.
I very much hope that on their own preferences The junior high school, for their own future to do a good intention. I will miss learning with teachers and students, will continue to strive to learn.
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