- UID
- 116179
- 在线时间
- 小时
- 注册时间
- 2005-10-3
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
[讨论]2004/05/listeningQ44
The forests of New England constituted both are resources and barrier for the first British settlers who reach these shores. In addition to the maples, firs, oaks and birches were white pines whose scientific name is Pinus strobes. These white pines were straight and tall, perfect for uses as masts on the sailing ships of the time. Britain had used up its supply of mast trees, so is eager for this product of its young colony. By the first load of this masts reached Britain in 1634 and Britain was marveled the size of the trees, which had diameters of up to 4 feet at the wide end. For every yard of mast height, the body end needed to be one inch in diameter. In1705, British passed a law stating that all white pines over 24 inches at the body end were reserved for the use of king’s navy. Such trees were marked by blazing the king’s arrow symbol on the tree with three cuts of the ... These trees were selected by the surveyor general, whose work often met with resistances of colonists.
Q44:what type of trees were used to making masts?
答案是D. Birch
我實在不懂
我以為是
C. White pine
A. Sugar maple
B. Oak
C. White pine
D. Bitch |
|
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2006-4-28 13:31:00
发表于 2006-4-28 14:29:00
