1.If the rules of perspective had not been discovered,no one would have been able to paing such realistic pictures.如果透视的规则没有被发现,没有人会画的出这种现实主义作品.
2.People began to concentrate less on religious themes and adopt a more humanistic attitude to life.人们开始逐渐减少对宗教主题的关注,并且以一种更加的人道的态度关注生活.
第一句是不是打错了?