2010年职称英语综合AB级综合试题(3)

练习：

A Such persons have a weak or damaged heart, high blood pressure, or other problems of the blood system.
B Several of these conditions are present at the same time.

C Most people suffer only muscle pain as a result of heat stress.

D Several hot days are considered a heat wave.

E So does extreme heat.

F Doctors say people can do many things to protect themselves from the dangers of extreme heat.

E D F C A