高中英语 Module2 No drugs 课件外研版必修2 课件VIP免费

外研版高中英语第二册INTRODUCTION Vocabulary and speakingGeneral description of common drugs ◆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. ◆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: Nicotine: addictive stimulant ① Tar: yellowish brown fluid which cau②ses cancer, ▲ Effect: physical: cancer, heart disease, stroke, s①tomach ulcer, ② psychological: anxiety, sleep disturbances, nervousness, headachesMarijuana[ 大麻 ]bronchitis cancer cigarette death die heart disease injured tobaccoFind words in the box which mean:21. the end of life _______...