Part 1：文本欣赏
No wrong numbers
James Scott has a garage in Silbury and now he has just bought another garage in Pinhurst. Pinhurst is only five miles from Silbury, but Mr. Scott cannot geta telephone for his new garage, so he has just bought twelve pigeons.Yesterday, a pigeon carried the first message from Pinhurst to Silbury. The bird covered the distance in three minutes. Up to now, Mr. Scott has sent agreat many requests for spare parts and other urgent messages from one garage to the other. In this way, he has begun his own private telephone service.
Part 2：文本解析
一）词汇学习 Word study
1．cover
（1）vt.盖，覆盖：
Snow covered the whole village.
大雪覆盖了整个村庄。
She covered the child with a coat.
她给孩子盖了件外衣。
（2）vt.行过（一段距离），走过（通常不用被动语态）：
He covered sixty miles this morning.
他今天上午走了60英里。
You can cover the distance to the museum in ten minutes.
你10分钟就可以走到博物馆。
（3）n.覆盖物，盖子，罩子，套子：
Put a cover on the box!
给这盒子加个罩！
