How Do Avalanches(雪崩）Happen If you're ever skiing in the mountains,you'll have to be aware
英语试题 06-03
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。
How Do Avalanches(雪崩）Happen
If you're ever skiing in the mountains,you'll have to be aware of avalanches. An avalanche is a sudden flow of snow down a slope,such as.a mountain.The amount of snow in an avalanche varies based on many things,but it can be such a huge amount 56_______ it can bury the bottom of a slope in dozens of feet of snow.
Avalanches_57_______ be caused by natural things.For example,new snow or rain can cause built-up snow to loosen and fall down the side of a mountain. Artificial triggers(诱发因素）can also cause avalanches.For example,snowmobiles, skiers,and explosives_58_____(know)to lead to avalanches.
Avalanches usually occur during the winter and spring,59_____snowfall is greatest.As they are dangerous to any living beings in their path,avalanches have destroyed forests,roads,railroads and even entire towns.Warning signs exist that allow experts to predict--and often prevent--avalanches from occurring.When over a foot of fresh snow falls,experts know to be on the lookout for avalanches.
Explosives can be used in places_60____ massive snow buildups to trigger much smaller avalanches that don't pose 61_______ danger to persons or property.
When deadly avalanches do occur,the moving snow can quickly reach over 80 miles per hour.Skiers caught in such avalanches can be buried under dozens of feet of snow.62 ______it's possible to dig out of such avalanches,not all are able to escape.
If you get tossed about by an avalanche and find yourself_63______(bury) under many feet of snow,you might not have a true sense of which way is up and which way is down.Some avalanche victims have tried to dig their way out,only to find that they were upside down and digging themselves farther under the snow 64________ than to the top!
Experts suggest that people caught in an avalanche 65______(try)to dig around you to create a space for air,so you can breathe more easily.Then,do your best to figure out which way is up and dig in that direction to reach the surface and signal rescuers.
答案
56 that 57 can 58 are known/have been known 59 when 60 with 61 a
62 Although/ Though/ While 63 buried 64 rather 65 try
How Do Avalanches(雪崩）Happen
If you're ever skiing in the mountains,you'll have to be aware of avalanches. An avalanche is a sudden flow of snow down a slope,such as.a mountain.The amount of snow in an avalanche varies based on many things,but it can be such a huge amount 56_______ it can bury the bottom of a slope in dozens of feet of snow.
Avalanches_57_______ be caused by natural things.For example,new snow or rain can cause built-up snow to loosen and fall down the side of a mountain. Artificial triggers(诱发因素）can also cause avalanches.For example,snowmobiles, skiers,and explosives_58_____(know)to lead to avalanches.
Avalanches usually occur during the winter and spring,59_____snowfall is greatest.As they are dangerous to any living beings in their path,avalanches have destroyed forests,roads,railroads and even entire towns.Warning signs exist that allow experts to predict--and often prevent--avalanches from occurring.When over a foot of fresh snow falls,experts know to be on the lookout for avalanches.
Explosives can be used in places_60____ massive snow buildups to trigger much smaller avalanches that don't pose 61_______ danger to persons or property.
When deadly avalanches do occur,the moving snow can quickly reach over 80 miles per hour.Skiers caught in such avalanches can be buried under dozens of feet of snow.62 ______it's possible to dig out of such avalanches,not all are able to escape.
If you get tossed about by an avalanche and find yourself_63______(bury) under many feet of snow,you might not have a true sense of which way is up and which way is down.Some avalanche victims have tried to dig their way out,only to find that they were upside down and digging themselves farther under the snow 64________ than to the top!
Experts suggest that people caught in an avalanche 65______(try)to dig around you to create a space for air,so you can breathe more easily.Then,do your best to figure out which way is up and dig in that direction to reach the surface and signal rescuers.
答案
56 that 57 can 58 are known/have been known 59 when 60 with 61 a
62 Although/ Though/ While 63 buried 64 rather 65 try
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