解析：选A　文章出处题。本文为两个人的对话且根据对话可知本文为一个完整故事的节选。故更可能选自小说。B

　　(2016·河北省模拟)Sunstroke is a condition that can quickly go from dangerous to deadly, f proper care isn't given immediately.

　　Sunstroke, sometimes called heatstroke, is a result of the body temperature rising above the safe limit. This causes the body's necessary functions to stop working.

　　It's usually pretty easy to avoid sunstroke, as long as proper

　　action is taken. In that case, you need to act as quickly as possible to return that person's body to a safe temperature. Here are a few tips to help treat sunstroke.

　　Call for help

　　Call to get an ambulance as quickly as possible. This should be the first thing you do, especially if the sunstroke person has fainted (昏倒). Also, nce. Ask everyone to bring you as much water as possible, if there isn't much nearby.

　　Get the person to a cooler area

　　If there's a building nearby, aim for that. Anywhere with plenty of air conditioners and water is perfect. If a building isn't available, bring the person to a well－shaded area.Get the water flowing

　　If the person is still conscious, get him or her to drink water. If there's a bathtub available, fill it with cool water and put the person in it.

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