【正文】
Unit 8 New ideas and inventions Section one Step I. Study the new words. Step II. Reading Read through the whole text and let them do the following simple questions decide T or F 1. These ancient alchemists made the first explosives. 2. The ancient Chinese realized that the mixture could be used on something different at once. 3. At first the Chinese used new material to make the fireworks. 4. Bacon got credit for making the black powder because he used his invention. 5. Alfred Nobel left his money for prize after he died. Read the text more carefully and then find out the following phases: 1. burst into 2. burn down 3. be pleased with 4. over and over 5. look into 6. put one’s mind 7. speed up 8. be connected to 9. stay in shape 10. take in 11. break off 12. so far Step III. Practice 1. Translate