需确诊的首选检查是：
A．在病变部位取血清渗出液镜下观察
B．病理组织学检查
C．分泌物细菌培养
D．PCR
E．血清抗体检测
参考答案：A
病理性黄疸应除外（）
A.出现在24小时以内
B.足月儿血清总胆红素超过205μmol／L
C.足月儿黄疸在第2周末不退者
D.黄疸退而复现
E.均表现为血清间接胆红素增高
Password is a secret series of (73) that enables a user to access a file，computer,orprogram．On multi—user systems，each user must enter his or her password before the computerwill respond to (74) ．The password helps ensure that (75) users do not access the computer．In addition，data files and programs may require a password．
A．power B．authorized C．accredit D．unauthorized
