单项选择题
A．there are still some problems to work out B．there will be competition to get popular addresses C．companies are willing to change their web addresses D．the change will affect the use of the Internet greatly
A．inform the library of your name and address B．tell the library the sorts of books you like C．buy the catalogues of the library D．ask the library to buy the books
A．Certain characters have several different meanings. B．Chinese is a truly difficult language to learn. C．People find it difficult to type their address in characters. D．Some experts think it is impossible to use Chinese characters.