①曙；②躁；③偿；④挫
14. “ You have to trust in god, _______ friends and bank on education,” the teacher said in an honest voice.
A．live on
B．rely on
C．keep on
D．insist on
第三代头孢菌素的特点是（）
A.广谱及对绿脓，厌氧菌有效
B.对肾脏基本无毒性
C.耐药性产生快
D.A+B
E.A+C
