填空题
Besides heat, what else terrible natural events can kill thousands of people every year?
填空题
Health experts say that the "heat" may be ______, when people generally hear little about that ?
填空题
Doctors say wear loose ______ clothes made of natural materials, can protect yourselves from the dangers of extreme heat.
填空题
Several of these conditions together can raise a person's body temperature above ______.
填空题
What can we do to help the pain disappear after the body again has the right amounts of water and salt?