高一英语no drugs课2高一英语no drugs课件2高一英语no drugs课件2高一英语no drugs课件2.pptVIP

◆Cocaine [可卡因]  Type of Drug: Stimulant Fact: derived from the leaves of the coca bush that grows in the mountainous region of Bolivia and Peru. It is sold on the streets as a fine white powder .　 Effect: Body actually forgets to sleep at beginning, later person experiences extreme fatigue, exhaustion and depression, bacterial infections of brain and heart. * INTRODUCTION Vocabulary and speaking General description of common drugs ◆Heroin [海洛因] Type of Drug: Narcotic Fact: derived from the opium poppy that is grown illegal in some areas in Southern Asia, the Middle East, Mexico, and Colombia. Today, no medical uses of Heroin at all.  Effect: flu-like symptoms - Nausea, vomiting, euphoria, cramps, diarrhea, runny nose, teary eyes, sweating, weakness ◆Marijuana[大麻] Type of Drug: Hallucinogen Fact: Comes from parts of the hemp plant which contains 400 known chemical. Marijuana continues to be proven to contain higher levels of cancer-causing chemicals than Tobacco! ▲Effect:  ①white blood cells: reduction of strength of immune system. ② lungs : cause asthma, infections etc. ③brain: decrease ability to concentrate, short term memory, bad vision, irregular sleep patterns, mood swings. lack of interests in past or future. ◆Tobacco (nicotine)[烟草][尼古丁]  Type of Drug: Stimulant Fact: Tobacco contains mainly of 2 substances:  ①Nicotine: addictive stimulant  ②Tar: yellowish brown fluid which causes cancer, ▲ Effect: ① physical: cancer, heart disease, stroke, stomach ulcer, ② psychological: anxiety, sleep disturbances, nervousness, headaches Marijuana[大麻] bronchitis cancer cigarette death die heart disease injured tobacco Find words in the box which mean: 2 1. the end of life ___________ 2. stop living ___________ 3. two things some people smoke __