A. he was sure his son was good at his lessons B. he spent all his energies on his business C. he knew nothing about the education D. his wife looked after their children 参考答案:B 答案解析:[解析]从文章第一段第三句：He was busy with his business and neverasked him how he got along with his studies．得知。
第31题: [填空题]There is no hope of ____________________ (艾滋病患者从这种不治之症中痊愈). 参考答案:AIDS patients’ recovery from the incurable disease 答案解析:[考点] ①AIDS为英文艾滋病的缩写形式；②recovery from... 表示“从……痊愈，恢复”；③incurable表示“无法治愈的”。
