GRE Text Completion: ETS Official Practice 150-GRE OP150:填空 - 6B91S9G757FWR0LNO

The problem of avoiding duplicate names – such as for Internet domain names or for e-mail accounts – is particularly ____________ when the name has to fit into a format that allows only a finite number of possibilities. A. meager B. acute C. agreeable D. severe E. beneficial F. productive