【正文】 國家依靠雄厚資金，先進(jìn)技術(shù)和國際經(jīng)營經(jīng)驗(yàn)，在國際礦業(yè)全球化的競爭中已先走一步。2）伴生鈷含量高，鈷可以分?jǐn)偛糠宙嚦杀?。硫化礦資源經(jīng)過多年開采，資源已逐漸枯竭，最近十多年未見有發(fā)現(xiàn)大型硫化鎳礦的報(bào)道，為滿足世界經(jīng)濟(jì)發(fā)展對鎳的需求，普遍已將目光轉(zhuǎn)向開發(fā)紅土礦型鎳資源。Lesson86 Out of control 失控I have just received a letter from my old school informing me that my former head master, Mr Regmald Page, will be retiring next week. Pupils of the school, old and new, will be sending him a present to mark the occasion. All those who have contributed towards the gift will sign their names in a large album which will be sent to the headmaster39。 time. Even so, people are going to find it difficult to get to work. But so far, the public has expressed its gratitude to the students in letters to the Press. Only one or two people have objected that the students will drive too fast!free rides39。Lesson84 On strike 罷工 but I love to hear you say it !39。 I know,39。Mr Lane was defeated in the elections. He has retired from political life and gone to live abroad !39。 I told you yesterday and the day before yesterday,39。s Radical Progressive Party. After the elections, Crawley went to the former Prime Minister39。Lesson83 After the elections 大選之后 which have at times been sighted are simply strange fish. Occasionally, unusual creaturesFishermen and sailors sometimes claim to have seen monsters in the sea. Though people have often laughed at stories told by seamen, it is now known that many of these 39。s clothes. Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp. He could hear shouting in the camp itself. Lights were blazing and men were running here and there: they had just discovered that a prisoner had escaped. At that moment, a large black car with four officers inside it, stopped at the camp gates. The officers got out and the prisoner stood to attention and saluted as they passed. When they had gone, the driver of the car came towards him. The man obviously wanted to talk. He was rather elderly with grey hair and clear blue eyes. The prisoner felt sorry for him, but there was nothing else he could do. As the man came near, the prisoner knocked him to the ground with a sharp blow. Then, jumping into the car, he drove off as quickly as he could. Lesson81 Escape 脫逃Perhaps the most extraordinary building of the nineteenth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851. The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass. It was one of the biggest buildings of all time and a lot of people from many countries came to see it. A great many goods were sent to the exhibition from various parts of the world. There was also a great deal of machinery on display. The most wonderful piece of machinery on show was Nasmyth39。Lesson80Lesson79 By air 乘飛機(jī)Cigarette Smoking and Your Health39。 The last one? 最后一枝嗎？inside a mummy. The doctors have not yet decided how the woman died. They feared that the mummy would fall to pieces when they cut it open, but fortunately this has not happened. The mummy successfully survived the operation. Lesson77 A successful operation 一例成功的手術(shù) factory where the crop is processed. This last scene shows you what will happen at the end of the harvest : the famous Calabrian macaronieating petition ! Signor Fratelli, the present champion, has won it every year since 1961. And that ends our special bulletin for today, Thursday, April 1st. We are now returning you to the studio.39。macaroni stalks. The whole village has been working day and night gathering and threshing this year39。 said the voice of the television announcer,39。39。 in the snow. Fortunately, a pilot saw the signal and sent a message by radio to the nearest town. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.children inside it, covering them with all the clothes she could find. During the night, it got terribly cold. The woman kept as near as she could to the children and even tried to get into the case herself, but it was too small. Early ,next morning she heard planes passing overhead and wondered how she could send a signal. Then she had an idea. She stamped out the letters39。 SOS39。Lesson76 April Fools Day 愚人節(jié)To end our special news bulletin,39。 we are taking you to the macaroni fields of Calabria. Macaroni has been grown in this area for over six hundred years. Two of the leading growers, Giuseppe Moldova and Ricardo Brabante, tell me that they have been expecting a splendid crop this year and harvesting has begun earlier than usual. Here you can see two workers who, between them, have just finished cutting three cartloads of golden browns crop before the September rains. On the right, you can see Mrs Brabante herself. She has been helping her husband for thirty years now. Mrs Brabante is talking to the manager of the localThe mummy of an Egyptian woman who died in 800 . has just had an operation. The mummy is that of Shepenmut who was once a singer in the Temple of Thebes. As there were strange marks on the Xray plates taken of the mummy, doctors have been trying to find out whether the woman died of a rare disease. The only way to do this was to operate. The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin. The doctors removed a section of the mummy and sent it to a laboratory. They also found something which the Xray of the god Duamutef. This god which has the head of a cow was normally placedLesson78After reading an article entitled 39。 I lit a cigarette to calm my nerves. I smoked with concentration and pleasure as I was sure that this would be my last cigarette. For a whole week I did not smoke at all and during this time, my wife suffered terribly. I had all the usual symptoms of someone giving up smoking: a bad temper and an enormous appetite. My friends kept on offering me ci