【单选题】男性,48岁,餐后1小时,被马踢伤中上腹后,突感上腹部剧烈疼痛呈持续性刀割样,短时间内腹痛逐渐扩至全腹,左上腹明显压痛、反跳痛、肌紧张,X线检查示膈下有游离气体。(此为10-14题共用题干) 应首先考虑
【单选题】共用题干 男性, 48 岁,餐后 l 小时,被马踢伤中上腹后,突感上腹部剧烈疼痛呈持续性刀割样,短时间内腹痛逐渐扩至全腹,左上腹明显压痛、反跳痛、肌紧张, X 线检查示膈下有游离气体。 (1)应首先考虑()
【单选题】等比数列 5,25,125...... 的公比是
【单选题】Family snapshots have a comforting familiarity.>Snapshot means the same as in sentence __________.
A.
Throughout the house there are snapshots of the family on the beach during their Annual vacations.
B.
This book, though excellent, is only a snapshot of a complex subject.
C.
Here’s a brief snapshot of what will be happening over the next two terms.
【单选题】等比数列5,25,125......的公比是
【单选题】已知a1,a2,a3,a4,a5,a6,......是等比数列,则a1,a3,a5,a7,......是不是等比数列?
【单选题】等比1 , 5 , 25,125......是等比数列,公比为