LESSON NINE The Ninth Lesson TEXT
LOOK CAREFULLY AND LEARN My friend Carl will never forget a certain professor. This professor taught him chemistry at the university. He was an ordinary-looking little man with thick glasses, but he had a strange way of making his classes lively and interesting. And the lessons he taught were not easily forgotten.
Carl remembers one of his first lessons from this professor. After the students were all in the chemistry lab, the professor brought out three bottles. One was filled with kerosene, one with castor oil, and one with vinegar. "Now watch carefully," said the professor. "Pay attention to everything that I do."
He then filled a cup with some of the kerosene, some of the castor oil and some of the vinegar. As the students watched with fascination, he mixed the three together. After that, he held up one of his fingers and showed it to the class. He then dipped it into the cup. After a few seconds he took his finger out. "Now watch," he said. "Remember, you must do everything that I do."
He put a finger in his mouth and sucked it. He nodded with a smile. Then he handed the cup around the class of students. Each student dipped a finger into the mixture and sucked it. Each immediately made a face. The mixture tasted horrible.
When the cup was at last returned to the professor, he shook his head sadly. "I'm sorry," he said to the class, "but none of you watched carefully enough. Yes, I sucked a finger, but the finger I put into my mouth was not the one I had dipped into the cup."
It was their first important lesson as students of chemistry and they never forgot it.
༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻༺༻ A STORY Mr Smith liked to be exact. One day when he was walking in the street, a man came over and asked him:
"Excuse me, but where's the nearest bookshop?"
"The nearest bookshop? You have to cross a bridge and then turn to the right."
"And is the bridge long?"
"Very. Thirty metres."
The man thanked him and went towards the bridge. Suddenly he heard someone running after him.
"Stop!" Mr Smith was shouting. "I'm sorry. I just remembered: the bridge is forty metres long. If you go thirty metres and then to the right, as I told you to do, you'll fall into the river."
At page 90, 91, 92, 97, 98, Book 6, The English Textbooks Series for Junior Secondary School (The 1st Edition, Published by the People's Educations Press, May 1984)
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