He________to put any sugar into the soup. [ ]
A. needn't
B. needs
C. doesn't need
D. need
C
肾上腺转移瘤中,最常见的原发癌为()
A、肺癌
B、结肠癌
C、胃癌
D、胰腺癌
E、肾癌
带状疱疹的传染途径是()。
A.粪-口途径传播
B.呼吸道
C.消化道
D.性接触
E.血液传播