The humorous story may be told to greAT length，and may wander around asmuch as itpleases，and arrive nowhere in particular；but the comic(滑稽的)story and the witty(诙谐的)story must be brief and end with a point．Thehumorous story continues gently along．theother twoburst．
Thehumorous story is strictly a work of an—high andDelicate(精美的)an-and onlyall artistcan tell it；But no art is necessary in telling the comic and witty stories；anybody cando it．The art of telling a humorous story—I mean by word of mouth，not print—was created inAmerica，and hasremained at home．
The humorous story is told seriously；the tellerDoes his best tohide the fact that he him．self even suspects that thereis anything funny about it；but the teller of the comicstory tellsyou beforehand that it is one of the funniest things he has everheard，then tells it with eagerdelight，and is the first person to laugh．
When hegets through，andsometimes，if he has had good SUCCESS。he is so glad and happy that he will repeat the point of it andglance around from face to face，collecting applause(喝彩)，and then repeat it again．
Anyonewho has ever attended a university knows that the quality of lecturers variesgreatly．A feware very effective communicators，conveying thesubstance of their lectures clearly and interestingly and inspiring students towant to know more about the subjec
It could．of course，be argued thatstudents are not competent to evaluate the academic quality of lectures．If anyone should evaluate lecturers，itshould be their colleagues. However．I am not arguingthat students should be asked to comment on the academic con
I suspect that many of the objections to student evaluation stem from the fearsome lecturers have of being subject to criticism by their students．However，lecturers should see such e-valuation as an opportunity to becomeaware ofDefects in their lecturing t
According to the author，all the students know that________.
A.it is tooDull to attendlectures
B.quite a lot of teacherscan produce the results studentsDesire
C.they must be inspired tolearn
D.there are greatDifferencesamong the lecturers as to their quality of teaching
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