填空题

Freezing weather can mean (36) and hypothermia unless a person is prepared. Thus, how to stay warm, dry and safe are very important. Frostbite damages that happen when skin is exposed to extreme cold for too long. It mainly happens on the hands, feet, nose and ears. People with minor cases of frostbite that affect only the skin may not suffer any (37) damage. But if deeper tissue is affected, a person is likely to feel pain every time the area gets cold. If blood (38) are damaged, people can suffer a gangrene infection. Sometimes the only way doctors can treat an injury like this is to remove frostbitten areas like fingers and toes. (39) is a condition that develops when the body cannot produce as much heat as it releases. Hypothermia can lead to death if the person does not receive help.
To avoid cold-related injuries, here are some simple (40) to remember. Think of COLD—C. O. L. D. The C (41) for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears. Wear mittens instead of gloves. In gloves, the fingers are separated, so the hands might not stay as warm as they would in (42) 。 The O stands for overexertion. Avoid activities that will make you sweaty. Wet clothes and cold weather are a dangerous combination. The L is for layers. Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing. The D is for dry. In other words, stay as dry as possible. Pay (43) to the places where snow can enter clothing.
Here are two other things to keep in (44) —one for children and the other for adults. Eating snow might be fun but it lowers the body’s (45) . And drinking alcohols might make a person feel warm. But what it really does is to weaken the body’s ability to hold heat.
A. permanent F. answer K. attention
B. temperature G. stands L. means
C. pressure H. mittens M. vessels
D. mind I. gloves N. Hypothermia
E. frostbite J. methods O. touch