Unit 8 New ideas and inventionsSection oneStep I. Study the new words.Step II. ReadingRead 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 farStep III. Practice1. Translate the following phrases, compare verb+ing and verb+ed.boiling water __________boiled water ____________a boring book__________a bored reader____________a closed store__________the closing time ____________2. 动词-ed 形式接触：找出下列句子的-ed 形式，揣摩其用法。(1) The mixture started to bubble and boil.(2) They finally designed a weapon that was powerful.(3) They took a hollowed piece of bamboo and filed it with the powder.(4) Then they stuffed arrows in it.(5) One-hundred years later, a man named Berthold Shwarts looked into this black powder.(6) It could be used to blow stones out of the ground.Step IV. Grammar: 过去分词作定语、表语过去分词分为及物动词的过去分词和不及物动词的过去分词；及物动词的过去分词作句子的表语和名词的定语及物动词的过去分词时，强调该动作完成和被动；而不及物动词的过去分词则仅仅强调该动作已经完成，如 fallen leaves（落叶） ,the risen sun（升起的太阳）, frozen milk（冰牛奶）, boiled water（凉开水）等。高考主要考察及物动词的过去分词作句子的表...
