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下述疾病分别属于何种腹泻（）
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(1～5题共用备选答案) 室间隔缺损的主要心电图表现是
Success of New Rail Links in EuropeThe Eurostar company is now running frequent train services using the tunnel built beneath the sea between Britain and France. Millions of passengers have already travelled on Eurostar trains and there are now twenty services a day between London and Paris and nine between London and Brussels.Eurostar has already won 40% of all passengers from the UK to Paris and Brussels but further growth will depend on the business market. The early morning departure to Paris is proving popular, especially for business people from London who need to do a full day’s work in the French capital.However. exactly how many of Eurostar’s passengers are business travellers is unknown. While first-class accommodation has been 70% fill, many of these passengers are travelling on holiday: one travel agent estimates Eurostar has only 20% of the business travel market. Meanwhile, tour operators report a sharp rise in the sale of short trips to Paris. which, they claim, is largely due to the possibility of travelling by Eurostar.As Eurostar increases the frequency of daily journeys over the next year. it will need more business travellers than ever to fill its trains. However, business travel agents feel that some aspects of Eurostar service could be improved. According to one large business travel agent. "Eurostar’s marketing has been poor and it needs to look more closely at doing commercial deals with large travel agents and corporations to become more attractive than airlines". British travel agents alone are now spending over ￡1 million a month with Eurostar. Naturally, they are expecting Eurostar to provide some good deals and flexible tickets.Eurostar is hoping to attract more customers as it expands its network of services. Already, train journeys between London and Paris stop at a few towns and cities enroute. There will also be daytime and overnight services front eighteen other British cities to Paris and Brussels, and planning is in progress for services from London to cities in Holland and Germany. Soon, many major towns and cities in Britain and other European countries will have regular direct connections within Eurostar’s network.The demand for Eurostar is forcing airlines to use smaller planes on the London-Paris and London-Brussels service, two of the busiest air routes in the world. One British airline reports a 15% decline in ticket sales to both Paris and Brussels. The crucial marketing aspect in business travel is frequency, Rather than cut frequency, airlines have reduced the size of their aircraft to prevent further losses. However, the large airlines will find it easier to maintain their flight schedules by introducing lower capacity planes. Eurostar threatens mainly the smaller airlines, which already have fewer services and smaller planes. Among the Eurostar’s passengers, the number of business travellers is（）
(1～5题共用备选答案) 右位心的心电图特点是
The new-technology revolution in American newspapers has brought increased circulations, a wider range of publications and an expansion of newspaper jobs in spite of reduced manning in the composing rooms. Payrolls in the publishing industry more than doubled in a decade from $3.1 billion in 1972 to $6.3 billion in 1981. Capital investment, largely as a result of re-equipment with new technology, doubled from $554m in 1972 to $1.02 billion in 1981. Circulation of weekly newspapers has grown from 21m in 1960 to 49m in 1985. Big city dailies have remained relatively static, with total circulation going from 58m to 63m. Sunday papers, though, have grown more dramatically from 8.6m to 56m. This reflects the trend toward specialisation. Growth has been especially strong in the number and circulation of suburban and small-community newspapers. In 1965 there were only 357 semi-weekly papers; in 1982, 508. There has also been a dramatic rise in newspapers circulating nationwide something that hardly existed in the old days. The Wall Street Journal is producing regional editions that have catapulted it into becoming the nation’s largest-circulation newspaper, a role formerly held by the New York Daily News. In addition, USA Today and the New York Times have used technological advances, particularly satellite-delivery of pages to regional production facilities, to achieve unprecedented growth. A number of daily papers have added Sunday editions -made possible through the new technology in response to demand from advertisers. Total newspaper employment, according to government statistics, rose from 345,000 in 1965 to 443,000 in 1984 and that figure does not fully cover the multitude of local papers. But the International Typographical Union, which formerly had a firm grip on nearly all printing jobs, has shrunk from over 100,000 in 1967 to 40,000 today, of whom about 4,000 are in fact retired members. The prospect is that the union may be reduced to 5,000 members in the near future. According to Jim Cesnik of the 33,000-member journalists’ union, the Newspaper Guild, employment of journalists has grown but not to the same extent as that of sales people pushing advertising and circulation. The guild, however, has few members on the small local papers. The New York Times spent $2m on radio advertising to boost home-delivery of the paper in the first nine months of 1985 -a campaign responding to a fall in the number of streetside news-stands. The general growth in circulations has helped increase advertising revenue among dailies from $15 billion in 1965 to $66 billion in 1982. An interesting development noted by Charles Cole, a consultant to the 1,375-member American Newspaper Publishers Association, is that local newspapers have expanded their news-gathering teams, and some now send people abroad as well as having representatives in many American cities. Other departments in papers have also advanced, according to Cole. For example, mail rooms of many newspapers employ up to 25% more people handling the national advertising inserts that have become common. However, more automatic machinery may well reduce manning here. We may infer from paragraph 9 that
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