新东方背诵文选 Lesson 40:Cohesion-tension Theory

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the nineteenth century, the movement of water in trees and other tall plants was a mystery. Some botanists hypothesized that the living ...

read more..

U.S. President's radio address

U.S. President’s radio address (October 9,2004) US President George W. Bush THE PRESIDENT: Good morning. As your President, I have led this country with principle and resolve. We have confronted historic challenges and built a broad record of accomplishment. I have proposed and delivered four rounds of tax relief, and our economy is creating jobs again. We have added o...

read more..

美国经典英文演讲100篇:Atoms for Peace

*Madam President and* Members of the General Assembly: When Secretary General Hammarskjold’s invitation to address this General Assembly reached me in Bermuda, I was just beginning a series of conferences with the Prime Ministers and Foreign Ministers of Great Britain and of France. Our subject was some of the problems that beset our world. During the remainder of the Bermu...

read more..

First Inaugural Address of Ronald Reagan

First Inaugural Address of Ronald Reagan (Tuesday, January 20, 1981) Senator Hatfield, Mr. Chief Justice, Mr. President, Vice President Bush, Vice President Mondale, Senator Baker, Speaker O’Neill, Reverend Moomaw, and my fellow citizens: To a few of us here today, this is a solemn and most momentous occasion; and yet, in the history of our Nation, it is a commonplace ...

read more..

US President's speech on Independence Day

US President’s speech on Independence Day (July 2,2005) THE PRESIDENT: Good morning. Laura and I wish all Americans a happy Fourth of July weekend. I look forward to celebrating Independence Day with the people of Morgantown, West Virginia. On the Fourth of July, we remember the vision and conviction of America’s Founders. We remember the ideals of liberty that ...

read more..

总统演讲:President Bush's speech at Christmas

Good morning. As families across our Nation gather to celebrate Christmas, Laura and I send our best wishes for the holidays. We hope that your Christmas will be blessed with family and fellowship. At this special time of year, we give thanks for Christ’s message of love and hope. Christmas reminds us that we have a duty to others, and we see that sense of duty fulfill...

read more..