You may go to karaoke or disco clubs with your friends during the summer holidays. But be careful. In these 41 places you may see people selling small, colourful pills. Make sure you do not try them. The seller 42 say they are safe and can help you enjoy yourself or 43 from sadness. They may even offer you a free 44 , and tell you that everybody is using 45 .But you must be alert to the 46 that these drugs could destroy your life. When you put them into your body, often 47 swallowing, breathing in or injecting, drugs find their way into your brain. Drugs may either speed up 48 slow down your senses. Their effects are different depending on body size, shape, and chemistry. 49 it can make you feel good at first, a drug can do a lot of 50 to your body and brain. One of the most popular drugs in nightclubs is the so-called head-shaking or ecstasy pill. The drug hits users with a fast high, 51 them feel powerful and full of 52 . Heart rate, breathing and blood pressure 53 - risking damage to your nervous system. Marijuana (大麻) is a 54 used illegal drug. It is called the gateway drug, because using it sometimes 55 harder drugs. It is mostly smoked in a cigarette. There is 56 risk related to taking drugs that must be 57 . Sharing a needle to inject a drug puts a user at a very 58 risk of being affected with HIV. Drugs may appear in many different 59 , some with cool names, but taking them could 60 your health forever.
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小题1:B
小题2:A
小题3:C
小题4:B
小题5:D
小题6:A
小题7:C
小题8:D
小题9:A
小题10:D
小题11:C
小题12:B
小题13:D
小题14:B
小题15:C
小题16:D
小题17:A
小题18:B
小题19:D
小题20:D
题目分析：本文详细说明了毒品的形式以及毒品的危害，教育人们要避免吸食毒品，因为毒品对人的健康和生活有很大的影响。
1.B 形容词辨析。A让人厌倦的B让人兴奋的C吵闹的D让人惊讶的。卡拉Ok和迪厅都是让人兴奋的地方。
2.A 情态动词辨析。A也许B一定C应该D可能；卖毒品的人也许会说这些毒品是安全的。
3.C 动词辨析。A/B保持C摆脱D停止；escape from摆脱…
4.B 词义辨析。A喝B尝试C烟草D品尝；他们也许会让你免费的尝试一下。
5.D 代词辨析。这里的them就是指上文提及的pills.
6.A 名词辨析。A事实B问题C麻烦D现实；你要对这样的事实很敏感毒品会毁掉你的生活。
7.C 介词辨析。By表示通过某种手段方式做某事；指通过吞，注射等方式吸食毒品。
8.D 固定词组.either…or…要么…要么…；毒品要么加快你的知觉要么减慢你的知觉。
9.A 连词辨析。A尽管B因为C如果D尽管（介词）；尽管起初的时候，毒品让你感觉很好。
10.D 固定词组。Do harm to…对…有害。毒品后来会对你的身体有害的。
11.C 动词辨析。A驾驶B有C让D保持；毒品让他们感觉强有力，并且精力充沛。
12.B 名词辨析。A食物B精力C希望D兴趣；毒品让他们精力充沛。
13.D 动词辨析。A发展B生长C上升D增加；该词组是指血压增加。
14.B 副词辨析。A深深地B宽地C强烈地D高地；大麻是一种广泛使用的毒品。
15.C 短语辨析。A阻止B/C导致D目的在于；B项应该用单数形式。使用大麻会导致你吸收更为毒性更大的毒品。
16.D 形容词辨析。Another另外一个，指毒品的另外一种危害。
17.A 动词辨析。A避免B带走C错过D打扰；有另外一种必须避免吸食的毒品。
18.B 形容词辨析。A/C大B高D宽；公用注射的针头会让使用者有很大的染上艾滋病的危险。
19.D 固定词组。In the form of以…形式；毒品有很多其它的形式。
20.D 动词辨析。A杀死B打破C使…危险D毁掉；吸食毒品会永远毁掉我们的健康。
点评：本文详细说明了毒品的形式以及毒品的危害，教育人们要避免吸食毒品，因为毒品对人的健康和生活有很大的影响。迹有特殊的才能，她的这方面才能帮助警察抓到了很多罪犯，同时也写到了她个人的生活。文章文脉清晰，句意不难。答题注意上下文理解，同时结合语法及平时积累的词组进行答题，题目就能迎刃而解了。