Luyện nghe bài hát The Professor's Song

To "if you me your attention."
If you give me attention, I will tell you what I am.
I'm a brilliant - also something of a ham.
I tried for numerous degrees, in fact I've one of each;
Of that makes me eminently qualified to teach.
I the subject matter thoroughly, it's true,
And I see why it isn't all as obvious to you.
lecture is a masterpiece, meticulously planned,
Yet everybody tells me that I'm to understand,
And I can't why.

My are models of true art, you must agree,
And my handwriting is for it's legibility.
Take a word "minimum" (to choose a random word),
was performed at a blackboard, and the professor wrote:

For anyone to say he read that, is absurd.
The anecdotes I get more amusing every year,
Though frankly, what they go to prove is sometimes less clear,
And all my are quite lucid, I am sure,
Yet tells me that my lectures are obscure,
And I can't why.

Consider, for example, just the force of
It's inversely to something - let me see -
It's r^3 - no, r^2 - no, just r, I'll bet -
The in front is plus - or is it minus, I forget -
Well, anyway, there is a force, of there is no doubt.
All these formulas are trivial if you think them out.
Yet students me, "i have memorized the whole year through
Ev'rything you've us, but the problems I can't do."
And I can't why!