Luyện nghe bài hát Lesson 6: The Lecture

Okay, let's

Compound, a substance
Of two or elements
Chemically
In definite proportions by

Mixtures, two or substances
That are not united such as air
Solution, a mixture of varying proportions
Of a and a solute

For many of our
This is the you've been waiting for
6
Left channel, right

Hydrogen, H one
Sodium, Na one
Magnesium, Mg two

Aluminum, Al three
Potassium, K one
Calcium, Ca two
Chromium, Cr two, three, six

Any physical
a record or a turntable
Is care of

Do you that Led Zeppelin
And Frank would go together?
Edit, no of music

about to play a soul, 45 rpm recording
But the is set at 33 and 1/3
And the record plays slowly
Let's up the tempo a bit, eh?

Now, let us
That you are in the
Of your disk program
is the mark of a professional

Yeah, if you throw a couple yeah, uuh
Right, when he's playin' the drum, you
Let him play a couple alone, euh

Uh, oh, I'm I had the turntable at the wrong speed
Aah, listen to this, scratchin', the thing on earth
What do you do? do you do?
Toggle, wow,

Chemical change, a that alters
The of the molecules of a substance
New substances with new properties are

From now your next lesson
We you to study carefully every section
Of 6 and to go back over lesson 4

Practice carefully, and you will be
For the new techniques and new
We will cover in lesson 5