病毒早期的快速诊断方法不包括( )
A. 光学显微镜检查包涵体
B. 电镜检查标本中病毒颗粒
C. 病毒分离培养
D. 检测病毒核酸
E. 检测IgM抗体
商品装潢,即商品包装上的装饰,其目的在于()和刺激消费者的需求欲望。
A. 保护商品
B. 方便商品运输
C. 方便商品储存
D. 说明、美化商品
In Britain, AIDS tests are now _________ on all people who offer to become blood donors.
A. residential
B. performed
C. primarily
D. ranged
Rents in ____________ areas are lower than in the business district.
A. residential
B. performed
C. primarily
D. ranged