前 * * 断裂的正确处理是
A.先行膀胱造瘘,Ⅱ期手术B.急诊行 * * 会师牵引术C.急诊行 * * 断端吻合术D.单纯膀胱造瘘术E.急诊 * * 造瘘术
参考答案:A
With a lot of difficult problems ____, the manager felt like a cat on hot bricks.
A.settled
B.settling
C.being settled
D.to settle
方位角αAB=255°,右转折角∠ABC=290°,则αBA和αAB分别为()
A.75°、5°
B.105°、185°
C.105°、325°
D.75°、145°