D

　　First aid means the aid or the help that can be given to an injured person first，that is，before any other help arrives.Nowadays there is usually a telephone not far away and the first we should do，if a serious accident happens，is to send someone to telephone for an ambulance.Sometimes quick action by us may save someone's life.

　　Shock.People often suffer from shock after receiving an injury，sometimes even when the injury is a small one.The face turns grey，and the skin becomes damp and cold.They breathe quickly.They should be kept warm.Cover them with a blanket and give them a warm drink.

　　Broken bones.Do not move the patient.Send for an ambulance at once.Treat for shock if necessary.

　　Bleeding.A little bleeding doesn't harm.It washes dirt from the wound.But if the bleeding continues，try to stop it by placing a clean cloth firmly over the wound until the bleeding stops or helps arrive.

　　Poison.A person who has taken poison should be taken to a hospital at once.With some poisons，sleeping pills，for example，it is a good thing to make the patient throw up by pressing your fingers down his or her throat.

　　Remember：When an accident happens，is to send someone to telephone for an ambulance at once.Keep the injured person warm and quiet.Give him or her plenty of air.Do not let other people crowd around him or her.

　　【解题导语】 本文就常见的一些事故，如休克、骨折、流血、中毒等，介绍了一些急救措施。

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