BOOKI Period Module 5 A Lesson in a Lab Oct 一、Introduction. 1. Words about general science. Translate the following: 1. 大众科学 2.固体 3. 液体 4. 气体 5. 存在 6. 加热 7. 膨胀 8. 收缩 9. 金属 10. 钢 11. 铁 12. 混合物 13. 物质 14. 氧气 15. 表面 16. 自然的,天然的 17. 人造的 2. Do Ex. 1, 2, 3, (P41)二、Vocabulary and Speaking. Language study 1. (1)十二（一打） (2)二十 (3)百 (4)千 (5)百万 (6)十亿 (7)dozens of (8) scores of (9)hundreds of (10)thousands of (11)millions of 2. 分数：1/3 4/5 a quarter 3/4 口诀：“分子基数词，分母序数词。分子大于1，分母加s”三、Reading and Vocabulary Reading prehension. Listen to passage A and fill in the blanks. It is hard to a world without metals. Different metals have different uses, , steel is used in cars, and iron electrical equipment. When we use metals, it is important to know how they with different , for example, water and oxygen. The of metals can be Here is a table with metals that react most , and the metals that react least . . Read passage B and fill in the blanks1. Passage B shows us 2. The first part of passage B mainly tells us 3. The text describes the reaction of iron in , and .4. In the experiment, cotton wool is used to and oil is used to . 5. please write down the three conclusions of the experiment (1) (2) (3) . Read the passage A & B carefully and answer the following question. 1. Which is the best title for the passage A? A. The Different uses of Metals B. The Reaction of Metals C. The Reaction of Metals with WaterD. The Reaction of Metals with Oxygen2. According to Passage A, we know that is often used in cars, and is often used in electrical equipment. A. steel, copper B. iron, zinc C. steel, ironD. iron, copper3. Which metal doesnt react with water? A. Sodium B. Iron C. Copper D. Potassium 4. Which metal reacts with steam? A. Calcium B. ZincC. CopperD. Sodium 5. If you put a shovel (铁锨)in a damp place, it will there. A. rust B. form an oxide C. not rust D. keep the place dry 6. Iron rusts in . A. dry air B. air-free water C. ordinary air D. ordinary water 7. According to Passage B, we know that the “air-free water” probably means . A. air with a lot of water B. air without water C. water with plenty of air D. water without air 参考答案：一、1. general science 2. solid 3. liquid 4. air 5. exist6. heat7. expand8. contract 9. metal10. steel11. iron12. mixture13. substance 14. oxygen 15. surface 16. natural17. man-made 二、1. dozen2. score 3. hundred 4. thousand 5. million6. billion 7. 许多，大量的8. 许多9. 成百上千10. 成千上万的 11. 百万计的. 分数：one third for fifths 1/4three quarters 三、. think of for exampleis used in react substances reaction put in order at the top at the bottom . 1. how iron reacts with air and with water 2. the aim and the apparatus of the experiment 3. dry air, air-free water ordinary water4. keep the air dry keep the air out of the water 5. (1)Iron does not rust in dry air (2) Iron does not rust in air-free water (3)Iron rusts in ordinary water . 1. B2. C3. C4. B5. A6. D7. DPeriod Module 5 Introduction & Reading Oct . Language points: 1. exist v. 存在，生存existence n. 使产生，成立 开始存在，产生 你相信存在上帝吗？ 2. heat n. 热，热度 v. 加热，使兴奋 1) Every morning (她只温些牛奶作早餐)。 2) (神舟6号发射使我们很兴奋) 3)The sun (给我们光和热). 4) (热烈的讨论) 3. expand v. 膨胀，伸展，扩大 contract v. 收缩Metals