以下哪些是常见的桌面操作系统?()
A.Windows7
B.Ubuntu
C.MacOSX
D.RedHa
参考答案:A, B, C, D
________ super hurricane of Sandy, sweeping across the USA and many parts of America, has up to now caused ________ loss of over 50 billion dollars to the USA alone.
A.The; the
B.A; the
C.The; a
D.A; a
www.go2map.com是网站()的网址,是面向普通百姓,以地图服务为特色的网站。
A.搜狐
B.首都在线
C.上海热线
D.天下