精选优质文档-倾情为你奉上Lesson40 Whos whoIt has never been explained why university students seem to enjoy practical jokes more than anyone else. Students specialize in a particular type of practical joke: the hoax. Inviting the fire-brigade to put out a non-existent fire is a crude form of deception which no self-respecting student would ever indulge in, Students often create amusing situations which are funny to everyone except the victims. When a student recently saw two workmen using a pneumat
