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SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will by give 20 seconds to answer the questions. Now listen to the conversation. How far do the swallows migrate
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Questions 5 to 7 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. What did the man have difficulty locating the week before
Questions 11 to 14 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. Why is the animal "pigeon" mentioned in the passage
The BBC is based at Broadcasting House in London, although it has studios in many other parts of the country. Everyone who owns or rents a television set has to pay a yearly licence. There is no advertising on BBC radio or television, and it is from the sale of licences that the BBC gets most of its money. An annual licence for color set costs twice as much as for a black and white set.There are four radio channels, each of which specializes. Radio I has mainly pop music; Radio 2 has light music, comedy, sport; Radio 3 has classical and twentieth century music, talks on serious subjects, plays ancient and modern; Radio 4 specializes in the spoken work--the main news reports, talks and discussions, plays, etc. In addition the BBC has local radio stations in many cities and districts. The BBC also broadcasts news and information about Britain to countries all over the world. This World Service provides programmes in forty different languages, as well as English.The BBC has two television channels: BBC1 and BBC2. BBC2 offers more serious programmes than BBC1 -- documentaries (记录片) and discussions, adaptations (改编本) of novels in to plays and serials, operas and concerts. BBC1 programmes consist largely of lighter plays and series, humour and sport, but there also some interesting documentaries. BBC2 is watched by only 10 per cent of all viewers.The BBC is developed from (46) .The BBC gets its money from the (47) .The BBC has 4 (48) and 2 (49) .BBC2 has the viewers of only (50) . 49（）
地面工程施工完毕后，进行变压器安装，同时进行电缆桥架和插接母线的占线部分测量和变压器与高、低压柜进出线的测量安装。( )
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