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(一)烟草是一种重要的经济作物。其栽培历史不长,但类型复杂,目前全世界约有十分之一的人口吸烟。由于烟焦油中含有微量不利健康的成份,反对吸烟的运动此起彼伏,在五十年代,就提出了吸烟与健康问题,引起了各方面的重视,但至今仍有争论,没有统一认识,所以烟草又是一种有争议的作物。事实上,在国外是“反者自反,种者自种,销者自销,吸者自吸”,并没有因此而减少生产。1977年,全世界卷烟总销售量是8400万大箱(每箱5万支),为1960年的1.62倍,说明反对吸烟运动尽管来势猛、力量大,烟的销售量仍在逐年上升。现
(A) Tobacco is an important cash crop. Its cultivation history is not long, but the type is complex, about one tenth of the world’s population now smoking. Smoking cigarettes and health problems have been raised in the fifties because of the unhealthy composition of tobacco tar. There are still many controversies and no consensus on tobacco smoking. Therefore, tobacco It is a controversial crop. In fact, in other countries, “anti-reflexive anti-self-rogue, offspring of sellers, self-selling of sellers and self-priming of sundry ones” did not result in the reduction of production. In 1977, the total sales volume of cigarettes in the world was 84 million boxes (50,000 cases per case), 1.62 times of that in 1960, indicating that the anti-smoking campaign is still growing year by year in spite of its strength and strength. Now