Your sister had a bad cold, ______ she? [ ]
A. wasn't
B. doesn't
C. hadn't
D. didn't
答案:D
白芍的主治病证是()。阿胶的主治病证是()。
A.出血证
B.遗精盗汗证
C.胁肋脘腹疼痛
D.痈疽疮疡证
E.虚劳喘咳证
某设备已使用560天,积累损伤率为0.28,按照疲劳线性理论计算,该设备剩余寿命为( )天。
A.720
B.1 000
C.1 440
D.2 000