()是事先定义好格式的一批演示文稿方案。
A.模板
B.母版
C.版式
D.幻灯片
参考答案:A
Microsoft ended support for Windows XP after April 8, which _______a major operating system for some Chinese computer users, and advised users to upgrade to Windows 8.1.
A.remained
B.remains
C.is remaining
D.is remained
下列核酸类型为RNA的病毒是()
A.巨细胞病毒
B.单纯疱疹病毒
C.水痘带状疱疹病毒
D.腺病毒
E.流感病毒