题目

    When Scotsman Alexander Graham Bell invented the telephone in 1876, it was a revolution in communication． For the first time, people could talk to each other over great distances almost as clearly as if they were in the same room． Nowadays, though, we increasingly use Bell' s invention for taking photographs, accessing the internet, or watching video clips, rather than talking． Over the last two decades a new means of spoken communication has appeared: the mobile phone．     The first real mobile telephone call was made in 1973 by Dr Martin Cooper, the scientist who i解释下列句中加点的词语 1．壮哉我中国少年，与国无疆。  （              ） 2．其船背稍夷，则题名其上……  （              ） 3．汗牛塞屋，富贵家之书……    （              ） 4．臣本布衣，躬耕于南阳……    （              ）