[解析]
(1)B.词义猜测题.根据上下文内容可知,owl指的是夜猫子,也就是每天熬夜到很晚的人.故选B.
(2)A.细节理解题.根据文章内容可知,夜猫子晚上熬夜,早上起得晚,具有很强的归纳推理能力,是分析和创新思维的专家.但并没有更健康,富有,A不准确.故选A.
(3)B.推理判断题.根据全文内容可以看出,作者对于夜猫子的评价和态度是客观的.故选B.
(4)C.细节理解题.根据'Larks' or'morning people',however,often acquired better exam results,possibly because lessons are held at the wrong time of day for night owls.可知,夜猫子在考试中通常比早起的人差.故选C.