下列地理现象的发生与地球自转无关的是[ ]
A.昼夜现象
B.长江三角洲的发育
C.太阳的东升西落
D.北京的地方时比乌鲁木齐早
答案:A
上腹部绞痛,寒战高热、黄疸,最常见于
A.胆总管囊肿B.急性胆囊炎C.先天性胆道闭锁D.胆道蛔虫病E.胆总管结石合并感染
Which space(s)is(are)deducted from gross tonnage to derive net tonnage().
A.Boatswain's stores
B.Companions and booby hatches
C.Passenger spaces
D.All of the above