News media（Reference for Teaching）

2.the major radio and tv network in america
   today the major radio and tv networks are the columbia broadcasting system (cbs)，the national broadcasting company (nbc) and the american broadcasting company(abc).
   voa(voice o{america)is the most famous of the l 9 radio sations of the united states。of america for the expansion of propaganda to foreign countries.most of the 19 radio stations are supported and organized by the government. voa radio station is in washington。it was established in l924，originally for war information and now it comes under the 1eadership of the american international communication bureau.it now has 16 broadcasting stations。sending.news to the whole world in 4l languages day and night.
    in l 965, the united states launched the world’s first communication space satellite－ “early bird”。this “early bird” made the things au more wonderful.it increased the telephone capacity across the atlantic by more than one third。and made possible commercial “live” television broadcasts of transatlantic events。now it also carries routinely commercial traffic.such as telephone calls. television, teletype and other transmission.people could expect the day when a worldwide network of satellites links people。of many nations through this new means of communication.
    ⅱ.知識歸納
    1.more than用法歸納
    (1)many或much的比較級，表示“比……多”甚至”。
    e.g.一 are there a lot of people in the parks?
      公園人多嗎?
    一 yes.there are far more than we expected.
      是的。沒想到有那么多人。
    he loves his cats more than he 10ves his children.
      他愛貓勝過愛他的孩子。
    he loves his cats more than his children do.
      他比孩子們更愛他的貓。(他愛貓勝過孩子們)
    (2)more+than+a或數詞，表示“……多(個).一(個)以上的，超過……”。
    e.g.it was more than a year since he had seen mlss wang.
      他已一年多未見王小姐了。
    he can't be more than thirty.
      他不可能超過三十歲。
    (3)more than表示“極其”“不止于”。
    e.g.they were more than glad to heip.
      他們非常高興幫忙。
    (4)more than+名詞、名詞性從句或起名詞作用的不定式。表示“不只.不僅僅”“遠不止”“甚于”。