If you don’t know who _______, you can always write to me.

A．to talk to

B．talk to

C．to talk

D．should you talk to

肠梗阻（）

A.剧烈头痛伴喷射性呕吐 

B.大量呕吐隔夜食物 

C.呕吐伴腹痛及肛门停止排便、排气 

D.呕吐伴眩晕 

E.呕吐伴上腹痛