任意写出本校的两种裸子植物:__________、____________。
苏铁、南洋杉、圆柏、罗汉松
Her grandmother________ in 1985. She has been _______ for 25 years.[ ]
A. died; died
B. dead; dead
C. dying; death
D. died; dead
下列药物除哪种外,既有肾毒性,又有耳毒性
A.庆大霉素
B.丁胺卡那霉素
C.先锋霉素
D.万古霉素
E.妥布霉素