第九篇 Heat Is Killer
Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot, it can cause serious medical problems -- even death. Floods, storms, volcano eruptions and other natural disasters kill thousands of people every year. 1 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. (2) . 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.
(3) . Stay out of the sun, if possible. Drink lots of cool water. Wear light colored clothing made of natural materials; avoid wearing synthetic clothing. Make sure the clothing is loose，permitting freedom of movement1. And learn the danger signs of the medical problems, such as headache and vomiting，that are linked to heat. (4) . The pain is a warning that the
body is becoming too hot2. Doctors say those suffering headache or muscle pain should stop all activity and rest in a cool place and drink cool liquids. Do not return to physical activity3 for a few hours because more serious conditions could develop.
Doctors say some people face an increased danger from heat stress. (5) .
Hot weather also increases dangers for people who must take medicine for high blood pressure4，poor blood flow，nervousness or depression.
词汇:
eruption /i'rʌpʃəm/ n. 爆发，喷发 vomit / 'vɔmit/ v. 呕吐
deadly /'dedli/ adj. 致命的 muscle /'mʌsl/ n. 肌肉
synthetic /sin'θetik/ adj. 合成的
注释:
1. Make sure the clothing is loose，permitting freedom of movement. 衣服一定要宽松，以便活 动自如。make sure 意为“确信，保证”，其后面从句的谓语要用一般现在时。如：Make sure the door is locked before you leave. permitting freedom of movement是分词短语，用做目的状语。
2. The pain is a warning that the body is becoming too hot. 疼痛是一个警告，说明你的身体过热。that the body is becoming too hot是同位语从句，与warning同位，说明warning的内容。
3. physical activity：体力活动
4. Hot weather also increases dangers for people who must take medicine for high blood pressure ... ：炎热天气对于那些必须服药以控制血压的人……也增加了危险性。
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.
答案与题解：
1. E 本文的标题是 Heat Is
