I don't ____ the way to Beijing Zoo. And you?[ ]
A. get
B. know
C. no
D. see
答案:B
若a的相反数是-3,b的绝对值是4,则a+b=______.
急腹症诊断不明时,在处理上不应作的是()
A.禁饮食
B.禁服泻药
C.禁灌肠
D.禁用吗啡类止痛剂
E.禁用解痉类药物