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The year was seventeen seventy-five. Colonists in Massachusetts had fought battles with British troops in the towns of Lexington and Concord.War had not been declared.But citizen soldiers in each of t...

那一年是1775年。马萨诸塞州的殖民者曾在列克星敦和康科德与英国军队作战。战争尚未宣战。但13个美国殖民地的公民士兵都准备战斗。谁打算把殖民者组织成一支军队？这是第二届大陆会议代表5月在宾夕法尼亚州费城开会时面临的第一个问题。代表们决定，这...

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Obesity means that someone weighs so much that their health is in danger. They are at risk from heart disease, high blood pressure and diabetes. In Tonga, celebrations like the one with the cooked ...

肥胖意味着一个人的体重太重，以至于他们的健康处于危险之中。他们有患心脏病、高血压和糖尿病的风险。在汤加，像煮猪这样的庆祝活动可能会导致人们体重增加很多。但汤加人只在特殊时候吃这种食物。然而，他们其余时间吃的食物也是一个大问题。他们通常吃进口...

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We look at the start of the American Revolution.The road to revolution in the late seventeen hundreds took several years.There were protests against the British policy of taxing the colonies without g...

我们来看看美国独立战争的开始。十七世纪末的革命之路历经数年。有人抗议英国在没有议会代表权的情况下对殖民地征税的政策。为了避免麻烦，英国向马萨诸塞州最大的城市波士顿派遣了数千名士兵。马萨诸塞州历史学会教育和公共项目主任Jayne Gordon...

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Huge amounts of gold.Enough gold to make a person extremely rich.Our story begins in an area called the Klondike in the Yukon Territory of western Canada.The discovery took place on a warm August dayi...

大量的黄金。足够的黄金让一个人变得极其富有。我们的故事始于加拿大西部育空地区的克朗代克地区。这一发现发生在1896年8月的一个温暖的日子里。乔治·卡马克和他的两个印度朋友Skookum Jim Mason和Dawson Charlie在加拿...

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Some people are walking in a beautiful stone building. Tall windows let the bright sunshine light up the rooms. A large number of paintings hang on the walls. All the pictures show the same thing - so...

有些人在一座美丽的石头建筑里散步。高高的窗户让明亮的阳光照亮了房间。墙上挂着许多画。所有的照片都显示了同样的事情——一些花漂浮在一个小湖上。在每种情况下，画家都使用了不同的颜色。在一些图片中，很难看到一种颜色在哪里停止，另一种颜色从哪里开始...

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Easter Island, this small island experienced the fall of a very special culture. Could what happened to the people of Easter Island happen to us? Easter Island is in the South Pacific. It is the lo...

复活节岛，这个小岛经历了一种非常特殊的文化。复活节岛上发生的事情会发生在我们身上吗？复活节岛位于南太平洋。这是世界上最孤独的一块有人居住的土地。它坐落在太平洋的中央，完全靠它自己。最近的人住在1600多公里外。但复活节岛与其他土地的距离并没...

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“Working together for health.” That was the main theme of World Health Day 2006. Every year in April people around the world come together to observe this special day. The World Health Organization, ...

“共同致力于健康”这是2006年世界卫生日的主题。每年四月，世界各地的人们都会聚集在一起庆祝这个特殊的日子。世界卫生组织世界卫生组织主持了当天的活动。2006年，世界卫生组织鼓励人们共同努力改善公共卫生。但他们也希望人们思考卫生工作者已经做...

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The French and Indian War was one part of a world conflict between Britain and France.It was fought to decide which of the two powerful nations would control North America.The British defeated the Fre...

法国和印第安人战争是英国和 France.It 之间世界冲突的一部分，旨在决定两个强大的国家中的哪一个将控制北美。结果，英国控制了法国声称拥有的土地，英国现在负责 13 个美洲殖民地的近 200 万人口和 6 万讲法语的人 Canada.I...