5in套管公称直径是()mm。
A.133
B.140
C.148
D.146
参考答案:B
— _______have you been learning to swim?
—Half a year. [ ]
A. How long
B. How often
C. When
D. How far
患者,男性,21岁,不幸被家犬咬伤右腿,家犬外观健康,下列哪项处理是错误的()
A.立即彻底冲洗伤口、消毒
B.立即击毙家犬,烧毁或深埋
C.捕捉家犬,隔离观察两周
D.患者注射抗狂犬病毒免疫血清
E.患者注射狂犬疫苗