mountains where avalanches are easy to happen. So not many people die from avalanches each year.Most people who may lose their lives in avalanches are ski(滑雪) lovers. It's important for them to stay safe while having fun in the snore mountains. Scientists can usually tell whether(是否) ...
A.So not many people die from avalanches each year.B.Most avalanches happen after big storms.C.An avalanche can last for about ten hours a time.D.Avalanches are very dangerous.E.We should take action to stop avalanches from happening.F.Experts can usually tell when an avalan...
In areas where avalanches are known to happen ___.A.local residents stay indoors when the weather is badB.measures are taken to pr serious avalanchesC.small avalanches can easily be predD.skiers form themselves into a wall to keep the snow in positi
5. What do we know from the first paragraph? A. Many mountain climbers die of avalanches each year. B. Of all the natural disasters avalanches cause the greatest damage. C. Most climbers who meet avalanches die for not paying enough attention to avalanches. D. With the development of scien...
In spite of this, avalanches happen in unexpected areas and, of course, skiers ignore the warnings. The one comfort to recreational skiers, however, is that avalanche incidents on the marked ski slopes are quite rare. No ski resort wants the image of being a death trap. ...
In areas where avalanches are known to happen ___.A.local residents stay indoors when the weather is badB.measures are taken to pr serious avalanchesC.small avalanches can easily be predD.skiers form themselves into a wall to keep the snow in position
"It tends to be the trickiest, the most dangerous, said Viesturs." There's no simple way to climb it. There are threatening avalanches (雪崩) and ice falls that protect the mountain." In high school, Viesturs read French climber Maurice Herzog's tale of climbing the icy Annapurna. Herzog...
It was a valley of danger, where more than 120 persons had lost their lives in 1936 as a result of avalanches before it became a major ski area. Thus, development of Alta and other major ski resorts was dependent upon controlling the avalanche. The Forest Service set out to do it, and...
It would appear from the text that avalanches are formed because___. A.a particular section of snow is not thick enough B.there is a slight fall in the temperature C.heavy snowfalls turn into rain D.the ice between different sections of snow melts 单项选择...