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英语作文发言稿怎么写 海平面是怎么确定的?
发布日期: 2023-02-13 10:50:14 来源: 经济头条

英语作文发言稿1

Hello! ladies and gentlemen, it is so nice to meet you!

I am glad that you can spend this precious time having this class in this afternoon.

Now please allow me to introduce myself to you .My name is Wangjia and I majored in traffic engineering .Baoji is my hometown it is very beautiful. and the people are very friendly.

As we all known thinking is easy acting is difficult and to put ones thoughts into actions is the most difficult thing in the world.

So if we want to learn English well ,we must practice reading English everyday ,actually practicing repeatedly is the best way to succeed.When you speak ,dont care how poorly or how well you speak just care about catching the chance to speak ,enjoy losing face or just forget your face because the more you speak the better your English will become,never afraid of making mistakes because the more mistakes you make the more progress you will make.As a man living in the world ,we must try our best to make each day our masterpiece and dont let our parents down ,dont ever let our country down ,most importantly dont let ourselves down.

Yesterday is a memory tomorrow is a dream so live for today just do it right now.I believe if you can dream it you can make it ,if you do you will win if you dont you wont.Believe in yourself trust yourself try your best. dont give up ,never give in, never lose hope , never say impossible .The success is coming !

Thank you!

英语作文发言稿2

Good morning ladies and gentlmen,It is my great pleasure to stand here to present my speech—— As you slowly open your eyes, look around, notice where the light comes into your room;

listen carefully, see if there are new sounds you can recognize;

feel with your body and spirit, and see if you can sense the freshness in the air. Yes, yes, yes, it’s a new day, it’s a different day, and it’s a bright day! And most importantly, it’s a new beginning for your life, a beginning where you are going to make new decisions, take new actions, make new friends, and take your life to a totally unprecedented(空前的) level. In your mind’s eye, you can see clearly the things you want to have, the paces you intend to go, the relationships you desire to develop, and the positions you aspire(励志) to reach. You can hear your laughters of joy and happiness on the day when everything happens as you dream. You can see the smiles on the people around you when the magic moment strikes. You can feel your face is getting red, your heart is beating fast, and your blood is rushing all over your body, to every single corner of your being! You know all this is real as long as you are confident, passionate and committed!(效忠的) And you are confident, you are passionate, you are committed! You will no longer fear making new sounds, showing new facial expressions, using your body in new ways, approaching new people, and asking new questions. You will live every single day of your life with absolute passion, and you will show your passion through the words you speak and the actions you take. You will focus all your time and effort on the most important goals of your life. You will never succumb(屈服,屈从) to challenges of hardships. You will never waver(动摇) in your pursuit of excellence. After all, you are the best, and you deserve the best! As your coach and friend, I can assure you the door to all the best things in the world will open to you, but the key to that door is in your hand. You must do your part. You must faithfully follow the plans you make and take the actions you plan;

you must never quit and you must never fear. I know you must do it, you can do it, you will do it, and you will succeed! Now stand firm and tall, make a fist, get excited, and yell it out: I must do it! I can do it! I will do it! I will succeed! I must do it! I can do it! I will do it! I will succeed! I must do it! I can do it! I will do it! I will succeed!

确定方式

海平面(Sea level),是海的平均高度。它是通过与标准水平面的高度比较来确定的,然而由于牵涉到一些复杂且困难的测量,使得精确确定海平面成为一个困难的工作。测量海平面的仪器叫做验潮仪,一般微风所导致的海面的波浪可以通过平均的方法消除掉,潮汐所导致的海平面的升高和跌落也可以通过长时间的观测后取平均值的方法消除掉。海平面的测量总是相对于陆地的测量,因此海平面的变化可以是真正地由于海面的变化导致的,也可以是由于陆地的变化导致的。2009年12月1日,总部设在英国剑桥的南极研究科学委员会发布研究报告称,气候变化可能导致本世纪末海平面最高上升1.4米,这一最新预测是原先估计值的两倍多。

一般人认为海平面是平面,如果大海真的是平面的话,那么整个地球表面的海域将连成一体,同时“地球是一个椭球形”这一说法就不成立了,推而广之,平时我们说的大湖面是平的也都是相对概念。之所以有这种认识上的差异,就是观察点不同。

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