The stars are old and immortal, and their powers are boundless.

Class six, class six, class eight love you. Say it again, Class 8 loves you.

Twenty-two fifteen minutes and twenty seconds. It is said that/kloc-class 0/5 runs with class 20.

Class five, class five, I'm Class five. Again, I'm Class Five.

2, teasing type:

Sharpen the knife and cut the wood by mistake, and then work after graduating from high school.

Class three, class three, Lao Yu is the dumbest! (It is said that Lao Yu is the head teacher of this class)

3. Inspirational:

Scandium, titanium, vanadium, chromium, manganese, Kyle, you are the most fierce, iron, cobalt, nickel, copper, zinc, the whole class will go to Beijing. (Ma is another unlucky chemistry teacher)

Senior three, twelve! Freshman next year, sophomore the year after!

I am twelve years old. I will be a freshman next year and a sophomore the year after. ...

2626, Cast Steel, 2626, Gas Infiltration in China.

3 13 1 Strive for the first place, and be a senior three this year and a freshman next year.

Principal type:

38324, 14 122 (I don't understand. The first is that copper reacts with dilute nitric acid to produce copper nitrate, nitric oxide and water: 3cu+8HNO3 = 3cu (NO3) 2+2no = 4h2o; The latter is that copper reacts with concentrated nitric acid to produce copper nitrate, nitrogen dioxide and water: Cu+4NO3 = Cu (NO3) 2+2NO2 =+2H2O).

Class four, class four, I'm Class four. Do three two first, then do five three (three two refers to three-year college entrance examination two-year simulation, five three refers to five-year college entrance examination three-year simulation)