To help ourselves and others, it's important to know something about drugs. A drug is a chemical substance. It can bring about a physical, emotional, or mental change in people. Alcohol and tobacco are drugs. Caffeine, a substance found in coffee and some soft drinks, is also a drug.
为了帮助自己和其他人，了解毒品相关知识非常重要rQK1wwxpGsvT2p;vO9V。毒品是一种化学物质DO_Eutn+-2w+lCX。毒品可以使人们的身体、情感或者精神发生改变5&Isqce~;bY。酒精和烟草也是毒品hGl3oR4flW0]qi*%Xi。咖啡和一些软饮料中含有的咖啡因也是一种毒品Eq)H=dZ3y|LrJ+#。
Drug abuse is the use of a drug, legal or illegal, that hurts a person or someone close to him. A drug user is the person who takes the drug. There are many kinds of drug users. Experimental users may try drugs once or twice. They want to see what the effects will be. Recreational users take drugs to get high. They use drugs with friends or at parties to get into the mood of things. Regular users take drugs all the time. But they are often able to keep up with the normal routine of work. Dependent users can't relate to anything but drugs. Their whole life centers around drugs. They feel extreme mental or physical pain without drugs. It's not always easy to tell that someone is using drugs.
毒品滥用是指合法或非法使用毒品伤害到某人或是某人身边的人z&MmpY@s.gvjwD)bn。吸毒者指那些吸毒的人qg(4rM-u#KQkNplOc。有许多种吸毒者e8;4rz0.S&#&yU)S。实验者会试一两次毒品FFpkM(C7m32@b4jka62X。他们想知道毒品有什么影响-^!N@BE*dqsQmv.4Xx9K。娱乐性吸毒者吸毒是为了爽一下R].#~dgp[LQkV1b3。他们会和朋友们一起吸毒或是在派对上吸毒，为的是进入一种情绪中VXV*h66%yfl,8k9Za。经常吸毒者一直吸毒_;Yfo1.Ix]%q0-|=+h。不过他们还是能正常工作的_VvAHm0K;-TV3~,]E7LW。吸毒成瘾者除了毒品什么都不关心P|^L5D~cdR.*yQRK。他们所有的生活重心都与毒品有关.j+!JEFRdZ56Ic。如果不吸毒他们就会感受到极端的精神痛苦或者身体痛苦6V#&msr.TU07&+m(s7-#。一般很难分辨出谁是吸毒者n1&ZfJr0OtJ~kRLJqH。
In the early stages, drug use is often hard to see. Sometimes, people like drugs or need drugs so much; they can't do without them. They are dependent upon drugs. Only a few kinds of drugs can cause physical dependence. But almost any drug, when it's misused, can make a person think he needs it all the time. By this time, it's too late and the person is hooked.
早期，很难看到有人使用毒品M0bs2tf.FaS(。有时人们很喜欢毒品或非常需要毒品；没有毒品不行Ly~e.XsCq6JS,。这就是吸毒成瘾&c.^C;45+w*|Mpc。只有几种毒品会产生身体依赖性)H]M2=%*P@|Q7QLG。不过，几乎所有毒品只要滥用，就会让人们认为他们一直需要毒品TWxM@^.N*6!。这时，一切为时已晚，人们已经吸毒上瘾了8E1aNE,v|bQh0。

Questions 16 to 18 are based on the passage you have just heard.
问题9到问题11依据你刚刚听到的短文进行提问9oB.bFeP8r[8nVOD。
Question 16. What does the speaker say about drug abuse?
问题16. 说话者介绍了毒品滥用的什么情况？
Question 17. What does the speaker say about recreational drug users?
问题17. 说话者介绍了娱乐性吸毒者的什么情况？
Question 18. What does the speaker say about drug dependence?
问题18. 说话者介绍了吸毒成瘾的什么情况？

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