专题14 完形填空之说明文-2021-2022学年高三期末考试好题汇编（全国卷）（通用版）

专题14 完形填空之说明文（全国版） 2021-2022学年高三期末考试好题汇编 Passage 1 （2020·西藏昌都市第一高级中学高三期末） You may go to karaoke or disco clubs with your friends during the summer holidays. But be careful. In these 1 places you may see people selling small, colourful pills. Make sure you do not try them. The seller 2 say they are safe and can help you enjoy yourself or 3 from sadness. They may even offer you a free 4 , and tell you that everybody is using 5 But you must be alert to the 6 that these drugs could destroy your life. When you put them into your body, often 7 swallowing, breathing in or injecting, drugs find their way into your brain. Drugs may either speed up 8 slow down your senses. Their effects are different depending on body size, shape, and chemistry 9 it can make you feel good at first, a drug can do a lot of 10 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, 11 them feel powerful and full of 12 Heart rate, breathing and blood pressure 13 - risking damage to your nervous system. Marijuana (大麻) is a 14 used illegal drug. It is called the gateway drug, because using it sometimes 15 harder drugs. It is mostly smoked in a cigarette. There is 16 risk related to taking drugs that must be 17 Sharing a needle to inject a drug puts a user at a very 18 risk of being affected with HIV. Drugs may appear in many different 19 , some with cool names, but taking them could 20 your health forever. 1．A．boring B．exciting C．noisy D．surprising 2．A．may B．must C．should D．can 3．A．keep B．stay C．escape D．stop 4．A．drink B．try C．cigarette D．taste 5．A．it B．him C．her D．them 6．A．fact B．problem C．trouble D．reality 7．A．with B．for