3 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
The Inferno is the oldest and most celebrated of all amateur ski races. It 1 (hold) every January, near MÜrren in Switzerland. Anyone can take part, as long as they belong to 2 ski racing club.
The Inferno was the 3 (invent) of a British businessman called Henry Lunn, who came up with the idea of the package holiday in the early 1900s and 4 (begin) taking groups of people to the Alps for winter sports. Henry’s son, Arnold, grew very fond of MÜrren and he founded a ski club there in 1924. Four years later, seventeen of the club’s members took part in the first Inferno race, 5 the top of the 2,970-metre Schilthorn mountain to MÜrren below.
In those early days, they used 6 (climb) for six hours from the railway station in MÜrren before the start of the race. Today, 7 (racer) use a cable car (缆车) which takes about twenty minutes. In the first race, the winning time for the fourteen-kilometre race was one hour, twelve minutes. These days it tends to be almost 8 (exact) an hour. Although the skiers are very much faster now, some things haven’t changed. The course, 9 is steep (陡峭的) and has sharp bends (急转弯), remains one of the most 10 (demand) and frightening in the world.