bca
题1 D讨论对象a particular field of study一个特定的研究领域 看混淆了,对比a particular field study一个实地研究 题2 ZA的观点,不是evidence,所以排除AC P45 题1 short lived短暂的 E are using an innovative dating technique不是重点,重点是结果 题3 A计算逻辑可知 Dates on the samples that best reflect when they were harvested—those from the coral branch tips—ranged from 1608 to 1638, suggesting there was intensive temple building during that time. 最能反映它们采集时间的样本——那些来自珊瑚枝尖端的样本——的日期从1608年到1638年,表明那段时间有密集的寺庙建设。reflect内容是when |