调节血管舒张的物质是()
A.乙酰胆碱
B.PGI2
C.NO
D.TXA2
E.ET
参考答案:A, B, C
男,38岁,主因咳嗽、咳白痰,晨起发现痰中带血1次,各种化验未见异常。
肺癌按生物学行为可分为()
A.小细胞肺癌
B.鳞癌
C.腺癌
D.腺鳞癌
E.大细胞肺癌
Because of her sensitivity to universal patterns of human behavior, ()has brought the English novel, as an art of form, to its maturity.
A. Charlotte Bronte
B. Jane Austen
C. Emily Bronte
D. Henry Fielding