大学英语：per prep. 每一，每

　　1)He earns $3000 per month.(他每月挣3000美元。)

　　2)We drove at the speed of 70miles per hour.(我们以每小时70英里的速度行驶。)

　　3)Take the medicine 3times per day.(这药每日服三次。)

　　4)They spent more than 20million pounds per year.(他们每年花费两千万英镑。)

　　6.given prep. considering (考虑到)

　　1)Given their inexperience， they have done a good job.(考虑到他们缺乏经验，这工作他们做得不错。)

　　2)Given his age， the old man is in good condition.　(考虑到老人的年龄，他的身体状况很不错了。)

　　3)Given my interest in oil painting， this is the best place to study.(考虑到我对油画的兴趣，这是学习的最好地方。)

　　4)It seems unreasonable to send him away， given that he is doing quite well.(考虑到他的工作干得很不错，把他解雇是不合理的。)