Powerpoint2000运行于哪种环境下:( )
A.UNIX
B.DOS
C.Macintosh
D.Windows
参考答案:D
They go to bed ______ 9:40 ______ Sunday evening. [ ]
A. in, at
B. on, in
C. at, on
D. from, on
麻疹证的皮疹特点是()。
A.玫瑰色小丘疹
B.鲜红色细小丘疹
C.淡红色细小丘療
D.淡红色斑丘疹
E.暗红色斑丘瘆