依次填入下面一段文字横线处的语句，衔接最恰当的一组是那么，人们的烟瘾又是从何而来 。 。 。 。_____ 。这第一口之后再吸下去，就成了一种毫无意义的习惯性的行为。但是，不管怎么样，烟最终留给我们的是发黄的牙和夹烟卷的手指，熏黑的肺，咳嗽和痰喘，还有难以谢绝的烟瘾本身。①烟的魅力，就是抽第一口烟的那一刻。②我们总想去再感受一下那一刻，于是就有了瘾。③烟瘾就是不断燃起的“抽上一口”——也就是第一口烟的欲求。④烟瘾来自烟的魅力。⑤其实，世界上大部分事物的魅力，都在这最初接触的那一刻。

It has been discovered that the traffic accident ________ the driver’s careless driving.[ ]

badly _____, the girl remained outwardly calm.

n had expected to see all his relatives when inhospital, but _________ came to see him while many of his friends offeredhim their help

London is one of the best places in the world to _____ education with pleasure, so it’s good for your pupils