We can see a playground____ the two tall buildings. [ ]
A. between
B. among
C. in
答案:A
胰腺癌的重要体征是()。
A.上腹部压痛
B.黄疸
C.营养不良
D.腹部包块
E.Courvoisier征
南半球台风危险半园的特点及避航法是:().
A.右半园、风向右转、右首受风驶离
B.右半园、风向右转、左尾受风驶离
C.左半园、风向左转、右尾受风驶离
D.左半园、风向左转、左首受风驶离