| A.medical B.so C.considered |
A. Several hot days are
1 a heat wave
B.
2 does extreme heat
C. cause serious
3 problems
Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot, it can
4 —even death. Floods, storms, volcano eruptions and other natural disasters kill thousands of people every year.
5 . Experts say heat may be nature's deadliest killer. Recently, extreme heat was blamed for killing more than one hundred people in India. It is reported that the total heat of a hot day or several days can affect health.
6 . Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body.