【简答题】FILL IN THE GAP WITH WORDS OR PHRASES GIVEN IN BOX. 只写单词前面的大写字母。 A . universal B. wander C. by a small margin D . without so much as E. barrier F. threaten G. feature H. civilize I. close up J. chart ...
【简答题】____ n. a small room or space built into a wall for storing things such as clothes or sheets
【单选题】The definition leaves______ for disagreement.
【判断题】报文分组交换还可以进一步分成数据报和虚电路两种交换类型。()