这个是假设题,不是加强题啊
假设题取非之后原文结论必错
B只能加强,因为B取非的话,就是说The one percent fall in cigarette sales in the year prior to tax increase was NOT因为a smaller tax increase,就算因为其他原因,也不能使原文结论必错啊
这个是假设题,不是加强题啊
假设题取非之后原文结论必错
B只能加强,因为B取非的话,就是说The one percent fall in cigarette sales in the year prior to tax increase was NOT因为a smaller tax increase,就算因为其他原因,也不能使原文结论必错啊