D．show sympathy for him

　　【解析】　细节理解题。根据第二段"He plainly told David that I had no positions open at the time and the interview was just for practice."可知，作者给大卫面试的机会仅仅想让他得到一定的锻炼，故选C。

　　【答案】　C

　　2．The author finally hired David because ．

　　A．there were no other workers in the shop then

　　B．he needed someone who was willing to work then

　　C．David kept showing up

　　D．he realized David was dependable

　　【解析】　细节理解题。根据第六段提到"Some of my workers(without physical limitations)chose not to brave the weather to get into work，so I was short­handed"．可知一些工人不想冒雨干活，不得已雇佣大卫，故选B。

　　【答案】　B

　　3．We can infer from the last paragraph that ．

　　A．some customers just play jokes on David

　　B．David has had his character changed through work

　　C．the author prefers David to be more outgoing

　　D．the author feels lucky to hire David

　　【解析】　推理判断题。根据最后一段提到"David worked for my bicycle shop for eighteen years.He came to work every day thirty minutes early.He could talk；however，he rarely chose to"．大卫工作认真负责，赢得顾客尊重，故选D。

　　【答案】　D

　　4．The author's tone in describing David is full of ．

　　A．pity　　　　　　　 B．wonder

　　C．disappointment D．appreciation

【解析】　细节理解题。根据最后一段提到对于大卫的描述以及顾客对他