小题1:A
小题2:C
小题3:D
小题4:D
小题1:细节题：从第一段的句子：He had made a lot of money in trading with foreign countries. 可知他是做生意挣的钱。选A。
小题2:推理题：从他给学校捐钱可知他很喜欢孩子。选C
小题3:细节题：从最后一段的句子：asking him for the secret of his daily injection.可知是询问在脖子的什么地方打针。选D。
小题4:推理题：从最后一段的句子：The newspaperman did not understand what Johnson meant. 可知记者应该弄清老人的意思。选D