Development：

　　•It is probably based on an old English game 8.called(call)rounders.

　　•9.A version of the game became popular in the early 19th century in the USA.

　　•Alexander Cartwright wrote the rules for baseball in 1845，10.which are very similar to the modern rules of the game.

　　1．absorb

　　[语境感悟]

　　(1)(教材P11)But although basketball players wear socks and sneakers which are specially designed to absorb energy when they bound into the air，they wear no other protection，just a vest and shorts.

　　但是尽管篮球运动员穿着经过特殊设计用于跳高时缓冲能量的短袜和胶底运动鞋，他们也不再有其他的保护，只有一件背心和一件短裤。

　　(2)The clever boy absorbed all the knowledge his teacher could give him.

　　那个聪明的男孩把老师所能教给他的所有知识都理解了。

　　(3)Will was so absorbed__in reading that he went without his dinner.

　　威尔非常专心于读书，以至于没有吃晚餐。

　　[归纳拓展]

　　absorb vt.削减，缓冲；理解；吸收，吞并；吸引，使全神贯注(常用于被动语态)

　　be absorbed in全神贯注于......；热衷于......

　　be absorbed by被......吞并

　　[即时跟踪]

(1)写出下列句子中absorb的汉语意思