标签：阿利格拉之谜 相关文章
Deep in the jungles of Guatemala lie the ruins of a lost Maya civilization. The culture thought of as the classic Maya flourished across Central America between 250-900 AD. But archeologists are now discovering a Maya society that existed a full thou
国家地理2007年
CHAPTER 14 A Treasure Bag Sam drove home slowly. Violet and Benny sat on the front seat. This made room for Andy on the back seat with Henry and Jessie. Now the next thing is to tell Aunt Jane, said Jessie. I am worried about that. Oh, that will be e
7 小木屋之谜 The Woodshed Mystery
CHAPTER 9 What Was in the Box Aunt Jane was not in the house. No dog came to meet them. Aunt Janes dog, Lady, always stayed with her. Benny called out, Aunt Jane! When nobody answered, Henry called, Lady! Lady! A bark came from the yard behind the ho
7 小木屋之谜 The Woodshed Mystery
CHAPTER 10 Back to the Woodshed The next day Maggie saw an old man in overalls coming to the back door. He had a basket of eggs. Are you selling eggs? Maggie asked. Yep, said the old man. Where did you come from? she asked again. Beans, said the man.
7 小木屋之谜 The Woodshed Mystery
CHAPTER 8 From the South Seas I have an idea for today, said Mr. Alden at breakfast on Monday. See this paper, Henry? In Ashland, the next town, ships come in from all over the world. From Blue Bay? shouted Benny. Well, you are right, said Grandfathe
8 灯塔之谜 The Lighthouse Mystery
Finding your footing is one thing, finding foot after foot is another. A severed human foot, this latest foot, five different feet. The foot total is now six. Actually it's back down to five. But well get to that. Were talking about feet in shoes, li
万花筒2008年
Eton College Jin Lu: What did these famous people have in common? Helen: The Duke of Wellington, the writers Shelley and George Orwell, Prince William and Prince Harry? Jin Lu: Any ideas? Well they were all educated in the boys only school Eton Colle
英语时差8，16
CHAPTER 2 Making Plans What day is this? said Jessie. Friday. Couldnt we go tomorrow and see the place, Grandfather? That is just what I was thinking, said Mr. Alden. We could stay all day Sunday and get back for the last week of school. Of course He
7 小木屋之谜 The Woodshed Mystery
CHAPTER 2 Getting Ready The next week soon came and the Alden family sat eating breakfast. Mr. Alden said, You will not go to school today, for we leave tomorrow. You have many things to do. What? asked Benny. Grandfather laughed. He said, For one th
6 蓝色海湾之谜 Blue Bay Mystery
CHAPTER 1 Plans One winter day Jessie Alden met her brother Henry in the hall. She said, Henry, I think Grandfather is up to something. Violet thinks so, too. What do you mean, Jessie? said Henry. Do you mean business trouble? Oh, no! Not at all! sai
6 蓝色海湾之谜 Blue Bay Mystery
CHAPTER 5 Little House with a Secret The Aldens went right back to their lighthouse with the new suits. They put them on at once and went out to their own little white beach. Be careful now, said Mr. Alden. You dont know this beach, and you must find
8 灯塔之谜 The Lighthouse Mystery
CHAPTER 4 A Midnight Visitor It was delightful to sit on the beach that evening even though they could not use their new seats. The family sat there long after supper watching the sunset. Gulls flew overhead and landed on the rocks near by. Suddenly
8 灯塔之谜 The Lighthouse Mystery
CHAPTER 2 Unfriendly Characters Watch always slept at the foot of Jessies bed. Keep still, Watch! said Jessie. Youll wake everybody up! But Watch didnt stop. He barked all the more. His hair stood up straight around his neck. Benny came down the stai
8 灯塔之谜 The Lighthouse Mystery
世界变得对称，从旋转的亚原子粒子到阿拉贝司克舞姿令人眼花缭乱的美。但这些已经不能够满足人们视觉享受。在这里，牛津的数学家马库斯?杜?沙托会让大家简单了解一下看不见的数字与对
TED公开课:百字不如一数字
You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但
2017年Scientific American(三)月
Archaeologists set out recently to unlock one of the secrets of Stonehenge, the majestic monument in southern England－when were the first standing stones placed at the ancient religious site? The concentric stone circles that make up Stonehenge, 13
英语时差8，16
Early humans hunted animals and gathered wild plants. They moved in groups or tribes from place to place in search of food. Then, people learned to plant seeds and grow crops. They learned to use animals to help them work, and for food. They found th
英语时差8，16
Mystery of Time If you can read a clock, you can know the time of day. But no one knows what time itself is. We cannot see it. We cannot touch it. We cannot hear it. We know it only by the way we mark its passing. For all our success in measuring the
英语时差8，16
Humans have used many devices to measure time. The sundial was one of the earliest and simplest. A sundial measures the movement of the sun across the sky each day. It has a stick or other object that rises above a flat surface. The stick, blocking s
英语时差8，16
Some scientists say time is governed by the movement of matter in our universe. They say time flows forward because the universe is expanding. Some say it will stop expanding some day and will begin to move in the opposite direction, to grow smaller.
英语时差8，16