单选题
They make better use of the time they have, and they are less likely to succumb to fatigue in stressful jobs.
【正确答案】
B
【答案解析】[解析] succumb意为“屈服”。B项yield“屈服”符合题意，如：The army yielded when it was attacked．(当这支军队受到进攻时投降了。)其他三项sustain“支持，持续”；endure“忍耐”；expose“使暴露”都不正确。