Luyện nghe bài hát The Professor's Song

To "if you give me attention."
If you give me attention, I will tell you what I am.
I'm a math'matician - also something of a ham.
I have tried for 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 can't see why it all as obvious to you.
lecture is a masterpiece, meticulously planned,
Yet tells me that I'm hard to understand,
And I think 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),
This was performed at a blackboard, and the professor

For anyone to say he read that, is absurd.
The I tell get more amusing every year,
frankly, what they go to prove is sometimes less than clear,
And all my explanations are lucid, I am sure,
Yet tells me that my lectures are obscure,
And I think why.

Consider, for example, the force of gravity:
It's inversely proportional to - 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 that is no doubt.
All these formulas are if you only think them out.
Yet students tell me, "i have memorized the year through
Ev'rything told us, but the problems I can't do."
And I can't why!