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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.

　　詞匯：

　　eruption  n. 爆發(fā)，噴發(fā)

　　vomit v. 嘔吐

　　deadly adj. 致命的

　　muscle  n. 肌肉

　　synthetic  adj. 合成的

　　注釋：

　　1. Make sure the clothing is loose，permitting freedom of movement. 衣服一定要寬松，以便活 動(dòng)自如。make sure 意為"確信，保證"，其后面從句的謂語要用一般現(xiàn)在時(shí)。如：Make sure the door is locked before you leave. permitting freedom of movement是分詞短語，用做目的狀語。

　　2. The pain is a warning that the body is becoming too hot. 疼痛是一個(gè)警告，說明你的身體過熱。that the body is becoming too hot是同位語從句，與warning同位，說明warning的內(nèi)容。

　　3. physical activity：體力活動(dòng)

　　4. Hot weather also increases dangers for people who must take medicine for high blood pressure ... ：炎熱天氣對(duì)于那些必須服藥以控制血壓的人……也增加了危險(xiǎn)性。

　　練習(xí)：

　　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.

　　答案與題解：

　　1. E 本文的標(biāo)題是 Heat Is Killer，通篇文章說的是heat的危害性及預(yù)防方法。"空1"前面的句子是，"Floods，storms，volcano eruptions and other natural events kill thousands of people every year，"空1"后面的句子是，"…heat may be nature's deadliest killer"。所以這里應(yīng)將最致命的殺手E提出。

　　2. D "空2"后面的句子說到heat waves，而選項(xiàng)D的句子中也出現(xiàn)heat wave，說明這兩個(gè)句子意思上有聯(lián)系。"空2"的句子是對(duì)"heat wave"下定義，為下一句的展開作了鋪墊。D 是答案。

　　3. F 第一段末尾說，白天的熱浪，如果到夜晚沒有降溫，會(huì)給身體帶來巨大的壓力，這是很危險(xiǎn)的。第二段就列舉了許多保護(hù)自己免受高溫傷害的方法。"空3"的句子應(yīng)該是位于段首的概括句。選項(xiàng)F說人們有多種辦法保護(hù)自己，完全符合要求，因此是答案。

　　4. C 緊跟"空4"后面句子中有特指的the pain，說明前文一定出現(xiàn)過pain這個(gè)詞。選項(xiàng)C的句子中有pain，且C的句子填入后，上下文意思連貫，所以是答案。

　　5. A "空5"前面的句子意思為：某些人在熱浪期間特別危險(xiǎn)。讀者或許會(huì)問，是哪些人呢？選項(xiàng)A回答了這個(gè)問題，所以是答案。

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