确诊禽流感最可靠的方法是()
A.ELISA
B.RT-PCR
C.电镜观察
D.平板凝集
E.病毒分离鉴定
参考答案:E
-- Do you need any help, Lucy.
--- Yes . The job is__________ I could do myself.
A.less than
B.more than
C.no more than
D.no less than
患者,男,60岁,突然感到心前区闷痛,伴心悸3小时,自服硝酸甘油1片,疼痛未能缓解。做心电图检查,显示如图所示:
根据心电图显示,心脏病变部位是()
A.前壁
B.下壁
C.正后壁
D.前间壁
E.后壁