一.确定目标
1.学习与吸烟相关的单词
2.了解吸烟的危害
3.坚定禁止吸烟的态度，维护公共健康
二.基础自学
1．翻译
bronchitis ________ cancer ________ cigarette _ _______
heart disease _____ injured ________ tobacco________
在20世纪90年代 ________ 由于________
prematurely ________
三.Language points
1.During the 1990s, 21 mil lion people died as a result of(因为）smoking cigarettes.
as a result of\ because of \ on account of + n. pron. v-ing
由于粗心驾驶的结果, 他最后被送进了医院. He ended up in hospital as a result of his careless driving.
补充：
so, as a result of, as a result 三者的区别
