问题
单项选择题
It describes a unique joint-venture in distance education and demonstrates the viable opportunities of global tele- education techniques in an exciting new market.
A.practicable
B.military
C.difficult
D.comprehensive
答案
参考答案:A
解析:[分析] 形容词辨析viable 能养活的,能生育的,可行的;A.practicable 能实行的,行得通的,可执行的; B.military 军事的,军用的;C.difficult 困难的,艰难的;D.comprehensive 全面的,广泛的;因此A为答案。