第12题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. It is a wrong idea. B. It will make Tom happy. C. It indicates Tom’s strong will. D. It is quite practical. 参考答案:A 答案解析:[听力原文]
M: Tom is planning to take an extra course this term.
W: He’s got to be out of his mind.
Q
第23题: [单项选择]This book has been in the works so long that I have lost ______ of most of the sources found for me by the staff of the library. A. track B. trail C. trace D. clue 参考答案:A 答案解析:固定搭配题。lose track of意为“失去与…的联系；失去…的线索”。选项[B]trail意为“踪迹，痕迹，足迹”；选项[C]trace意为“痕迹，遗迹”；选项[D]clue意为“线索，助于解决
