Instead of God creating the world in six days and resting on the seventh, he would have put it off until the night before it was due and then pulled an all-nighter.
The Last Supper would have been eaten the next morning, cold.
The forbidden fruit would still have been eaten because anything is better than the food in halls.
Paul's letter to the Romans becomes Paul's e-mail to believers@romans.gov
Reason Cain killed Abel: they were living in the one bedsit and the dishes weren't getting done.
The time and place where the end of the world occurs would be exam halls in May.
The reason why Moses and the followers walked in the desert for forty years: they didn't want to ask directions and look like Freshers.
The Ten Commandments would be actually only five, double-spaced, and written in large font.
Adapted from http://jokes.christiansunite.com/Bible/If_Students_Wrote_the_Bible.shtml