填空题

It is impossible for us to be well informed of the latest development in science and technology ______.(如果没有现代化的通讯设备)

【参考答案】

without modern communication equipment

<上一题目录下一题>

热门试题

填空题

I think spoken English is ______. (书面语同样重要)

填空题

It became by far the most widely used code because it was the easiest to understand and ______.(传输也最快)