【单选题】His long illness and() absence put him far behind in his study. That explains why he failed the final exam.
【单选题】His peers admonished him that he had to increase his study time as the final examination was around the corner.
【单选题】化学热力学中,当某一系统不发生变化, 我们说系统处于某一 。
【简答题】What did Jules Hirsch do in his study?
【单选题】With his attention _____ on his book, he didn’t notice me enter his study.
【单选题】What does the man worry about?