单选题 53.  Jane had prepared carefully for her biology examination so that she could be sure of passing it on her first ______.
【正确答案】 B
【答案解析】[考点] 词义辨析
intention：意图，打算；attempt：尝试，试图；purpose：目的；desire：渴望，愿望。on one's first attempt为固定用法，意为“在某人的第一次尝试中”。故选B。
   简已为生物考试做了精心的准备，以确保她能够一次性通过。