小题1:A
小题1:D
小题1:C
小题1:D
小题1:B
小题1:根据第一段Smoking in indoor public places including public working places, public transport vehicles and some other special outdoor working places 描述，可知选A
小题1:根据banning smoking will not only help in saving smokers from health problems and diseases, but will also be good for passive(被动)smokers.描述，可知选D
小题1:根据短文后三段描述，可知这三段讲述了禁烟的五点好处，故选C
小题1:联系下文When teens see people around them smoking,，可知这个单词指的是青少年。故选D
小题1:根据When teens see people around them smoking, they will follow them easily. Thus the number of teen smokers will increase.描述，可知选项B描述错误