Liu Ming i my chemitry‘ teacher. He i an ordinary-looking little man with thick glae, but he ha a trange way of making hi clae lively and intereting.
I remembered hi firt leon. He put three bottle on the dek. One wa filled with keroene, one with cator oil, and one with vinegar. And he aid "Now watch carefully. Pay attention to everything that I do." He held up one of hi finger and dipped it into the cup after he mixed the three kind of liquid in a big cup together. A few econd later, he took hi finger out, put it in hi mouth and ucked it. "How deliciou! You mut do everything that I do." aid he. And then we did it like him. lmmediately we made a face. The mixture tated horrible.
It wa firt chemitry leon. I never forget it.
