LONG AGO in China the Emperor received a fine and wondrous gift from a country far away. It was an elephant - the largest and most extraordinary creature anyone in the land had ever seen.
I wonder how much the creature weighs, said the Emperor, and he sent for his royal servant.
Your Majesty, the servant replied, trembling, I know not how this fine creature could be weighed. Surely we have no scales large enough to weigh such an enormous beast.
Father, I know how you can weigh the elephant, said the Emperors eight-year old son.
Everyone at the royal court turned in amazement. How could such a young person figure out a solution?
This was the clever boys idea:
He sent a boat onto the ocean with the elephant on board. He told the sailors to mark the waterline on the boat, that is, the place where the edge of the boat hit the water. Then the boat was brought ashore and the elephant taken off. Next, he had crates of bricks put on board the ship, one at a time, until the boat sank enough for the line marked on the side to meet the water. Last, he brought the boat ashore, took off the crates of bricks, and had them weighed one by one!
2017届高考英语一轮复习课堂检测：unit 9 Wheels（北师大版）
2017届高考英语一轮复习限时训练：8-5 Meeting your ancestors（新人教版）
2017届高考英语一轮复习课堂检测：unit 3 Celebration（北师大版）
2017届高考英语一轮复习课堂检测：unit 24 Society（北师大版）
2017届高考英语一轮复习综合模拟预测卷：（8）（北师大版）
2017届高考英语一轮复习学案：必修1 unit 3 Celebration（北师大版）
2017届高考英语一轮复习课堂检测：unit 7 The sea（北师大版）
2017届高考英语一轮复习课堂检测：unit 4 Cyberspace（北师大版）
2017届高考英语一轮复习课堂检测：unit 20 New Frontiers（北师大版）
2017届高考英语一轮复习学案：必修2 unit 5 Rhythm（北师大版）
2017届高考英语一轮复习课堂检测：unit 8 Adventure（北师大版）
2017届高考英语一轮复习精品课件：必修1 Module 4 A Social Survey-My Neighbourhood（外研版）
2017届高考英语一轮复习课堂检测：unit 13 People（北师大版）
2017届高考英语一轮复习课堂检测：unit 6 Design（北师大版）
2017届高考英语一轮复习课时作业：unit 5 Rhythm（北师大版）
2017届高考英语一轮复习课堂检测：unit 23 Conflict（北师大版）
2017届高考英语一轮复习精品课件：必修1 Module 5 A Lesson in a Lab（外研版）
2017届高考英语一轮复习学案：必修2 unit 4 Cyberspace（北师大版）
2017届高考英语一轮复习限时训练：8-4 Pygmalion（新人教版）
2017届高考英语一轮复习课堂检测：unit 21 Human Biology（北师大版）
2017届高考英语一轮复习学案：必修1 unit 1 Lifestyles（北师大版）
2017届高考英语一轮复习课时作业：unit 2 Heroes（北师大版）
2017届高考英语一轮复习精品课件：必修1 Module 3 My First Ride on a Train（外研版）
2017届高考英语一轮复习课时作业：unit 7 The sea（北师大版）
2017届高考英语一轮复习课堂检测：unit 17 Laughter（北师大版）
2017届高考英语一轮复习课堂检测：unit 10 Money（北师大版）
2017届高考英语一轮复习课堂检测：unit 11 The Media（北师大版）
2017届高考英语一轮复习课堂检测：unit 14 Careers（北师大版）
2017届高考英语一轮复习课堂检测：unit 22 Environmental Protection（北师大版）
2017届高考英语一轮复习课堂检测：unit 16 Stories（北师大版）