何谓Poland综合征

A:非特异性肋软骨炎 B:一侧胸壁和乳房发育不全或缺如，常伴并指畸形 C:胸骨裂 D:肋骨骨髓炎 E:肋骨病理性骨折

( ) is a major port of Poland.

A:Gdynia B:Port Said C:Oran D:Helsinki

( ) is a major port of Poland.

A:Gdynia B:Port Said C:Oran D:Helsinki

( )is a major port of Poland．

A:Cdynia B:Port Said C:Oran D:Helsinki

（）is a major port of Poland．

A:Cdynia B:Port Said C:Oran D:Helsinki

( ) is a major port of Poland.

A:Gdynia B:Port Said C:Oran D:Helsinki