The mobile operating system developed by Apple and originally called iPhone OS:
A. iOS
B. Android
C. Blackberry OS
D. Mac OS
查看答案
A database tool that will quickly rearrange a table’s records according to a selected field:
A. filter
B. sort
C. spreadsheet
D. word processor
水痘患儿应隔离到
A. 病后3天
B. 病后5天
C. 病后7天
D. 疱疹全部结痂
E. 痂皮全部脱净
引起水痘的病原体是
A. 病毒
B. 细菌
C. 螺旋体
D. 立克次体
E. 支原体
能引起带状疱疹的疾病是
A. 麻疹
B. 水痘
C. 猩红热
D. 乙脑
E. 流脑
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