The Great Exhibition held in Lon

The Great Exhibition held in London in 1851 was probably the first show to be called a world fair. Since then there have been 31 universal exhibitions and many cities ___26___ to have a world fair. In 1928 the International Bureau of Expositions was founded in Paris to co-ordinate these events and ensure that there is only one each year. There are various and interlinked objectives ___27___ holding a world fair. The stated objectives include encouraging trade, increasing the visibility of a city and country, developing tourism, ___28___ economic development and increasing employment, stimulating the re-use of land and __29____ improvements, the celebration or a past event, and the entertainment of the masses, ___30___ the often unstated one of obtaining ___31___ funds from the higher levels of government. The ___32___ motive for holding a world fair is to ___33___ the city, but as well as selling the city, there is also the selling of ideas. Most expos are linked in some way to the notion of the progress of civilization or modernity. Not ___34___, Expo 92 in Seville, Spain, had the ___35___ of discovery. Other themes include education and international understanding. The ___36___ city usually prepares a special site for the event ___37___ new buildings and structures of hoped-for architectural distinction and image changing ability are erected. Early examples ___38___ London’s Crystal Palace and Paris’s Eiffel Tower and a more recent one is Seattle’s Space Needle. These structures will remain a ___39___ legacy to the area, as will any general infrastructure put in place. The fair itself usually contains exhibitions of both arts and manufactures, with pavilions ___40___ also by foreign nations. World fairs usually last between five and seven months, but sometimes they last for a whole year.
回答第26空
A、sought
B、have sought
C、seek
D、has sought
【正确答案】：B