【单选题】女性,26岁,因"停经50天,恶心呕吐2天"就诊,平时月经规律,无下腹痛,无阴道流血,2天前出现嗜睡、乏力、乳胀、恶心伴呕吐,为胃内容物,不能进食,无腹泻,既往有"胃病"史,否认糖尿病史,2年前行剖宫产术。人工流产后阴道流血不止,患者血压进行性下降,回顾B超结果,妊娠囊位于子宫峡部,术前血常规、凝血功能正常,应想到何种诊断的可能性()。
【单选题】26岁女性,已婚2年,G 1 P 0 ,婚后一直服用短效口服避孕药避孕,但意外妊娠,于孕50天行人工流产术。患者知情选择放置TCu380AIUD避孕,术后应告知该妇女正确的注意事项是()
A.
放置后可能有少量阴道出血及下腹不适感为异常现象
【单选题】Most of the world's businesses are small.
【单选题】女性,26岁,因"停经50天,恶心呕吐2天"就诊,平时月经规律,无下腹痛,无阴道流血,2天前出现嗜睡、乏力、乳胀、恶心伴呕吐,为胃内容物,不能进食,无腹泻,既往有"胃病"史,否认糖尿病史,2年前行剖宫产术。人工流产后阴道流血不止,患者血压进行性下降,回顾B超结果,妊娠囊位于子宫峡部,术前血常规、凝血功能正常,应想到何种诊断的可能性()
【单选题】What is the author's attitude toward science?
A.
He is depressed because of the ignorance of the scientists.
B.
He is doubtful because of the enormous difficulties in scientific research.
C.
He is confident though he is aware of the enormous difficulties in scientific research.
D.
He is delighted because of the illuminating scientific findings.