问题
选择题
Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of ________.
A．date
B．order
C．use
D．sight
答案
答案：A
答案 A [out of date过时的；out of order出毛病；out of use不用；out of sight看不见。句意：如今科技变化太快了，我年初买的MP3现在已经过时了。选A项。]