绒毛膜癌转移时,鞘内注射的化疗药物应选择()
A.甲氨蝶呤(MTX)
B.更生霉素(KSM)
C.5-氟尿嘧啶(5-Fu)
D.顺铂
E.溶癌呤(AT-1438)
参考答案:A
急性荨麻疹的典型皮损是()
A.瘙痒
B.水肿
C.风团
D.丘疹
E.红斑
The two strangers talked as if they ____ friends for years.
A should be B would be C have been D had been