[解析]
49.B 细节理解题 根据文章"Answering the ad in the newspaper,he went to the office address."(回应了报纸上的广告之后,他去了这个办公室的地址)故知这个年轻人是从报纸上得到的信息,故选B.
50.A 细节理解题 根据文章"When he arrived,he walked into a large,busy office filled with noise,"(当他到达的时候,他走进一个很大,很忙碌的充满了噪音的办公室),故知办公室是大的,忙碌的,吵闹的.故选A.
51.B 细节理解题 根据文章"Seven other people were already in the waiting area for the interview."(七个其他人员已经在等候室里等待面试)故知加上这个年轻人一共有八个,故选B.
52.C 细节理解题 根据文章"the telegraph has been sending out the following message in Mores code:‘If you understand this message,then come right in.The job is yours.'None of you heard it or understood it.This young man did.The job is this."
"(这个电报是用莫尔斯电码这样写的:"‘如果你理解这个信息,那么直接进来.这个工作是你的'.你们没有人听到它或是理解它.这个年轻人做到了,这个工作是他的.)故年轻人得到工作的原因是他听到并理解了电报内容,故选C.
[点评]
本题考查了"逸闻趣事类阅读,判断推理,文中细节",属于"综合题",做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案是解题的关键。