【简答题】It is clear that the whole world is passing through asocial revolution in which a central _____ must be taken by scientists andtechnologists. A. process B. attention C.measure D. part
【单选题】听力原文:A: After the way it is being used, the photocopier is not going to make it through the rest of the year. B: The year! It's supposed to be good for four! The tone of the man is that of______.