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课件网) M5 A Lesson in a Lab Task: Preparing a report for a scientific experiment Word Formation: science n _____ n _____adj. _____adv. exist v. _____n. expand v. _____n contract v. _____n. mix v. _____adj. _____n. electricity n. _____ adj. _____adj. _____ adj. conclusion n. _____ v. aim n/v. _____ adj. (反义词) equipment n. _____v. _____adj. part n. _____adj. _____adv. form v. _____n. balance n/v. _____adj. astonished adj. _____adj. _____v. _____n. explain v. _____n. scientist scientific scientifically existence expansion contraction mixed mixture electrical electric electronic conclude aimless equip equipped partial partly formation balanced astonishing astonish astonishment explanation Phrases: 科学实验 没有金属的世界 电气设备 与…发生反应 形成氧化物 部分反应 找出，查明 scientific experiment a world without metals electrical equipment react with form an oxide partial reaction find out 没有空气的水 往--加… 隔离/不让…进入 普通水 最新的设备 顶尖科学家 air-free water add…to keep…out of ordinary water latest equipment first-class scientists 1. Fractions/Percentage/Decimals Read the following numbers： Fraction percentage Decimals 1/2 1/3 1/4 2/3 4/5 2 4 1% 20% 84% 0.5 3.5 6.05 8.75 Two thirds of the earth’s surface is water. Three fourths of human body ___ water. A quarter of the students in our Class ___ girls. Over 60 percent of China’s population ___ still farmers. A half of the area ____ become desert. A half of the plants in this area ____ been replaced by sand. 结论：分数作主语时谓语动词的数遵循意义一致的原则。 is are are has has As a result of the serious flood，two-thirds of the buildings in the area_____. (需要被修理) The company had about 20 laptops but only one-third _____ (be) used regularly. Now we have 60 working all day long. need repairing were 2. Steel is used in cars, and iron is used in electrical equipment. There are some _____ fans in each classroom. Three years later, some of you may major in _____ engineering in university. Is there anyone in our class who can play _____guitar Without _____, our life would be very dull. When there’s something wrong with the bulb, we may ask an _____ for help. electric electrical electronic electricity electrician Conclusion: electric 带电的，用电的 electrical 与电相关的 electronic 电子的 electrician 电工 The teaching _____ in our classroom_____ modern and advanced. The school has _____ each classroom ____ a modern and advanced teaching system. Each classroom is _____ a modern and advanced teaching system. 我们必须掌握好英语和电脑知识来适应现代社会的需要。 We must equip ourselves with a good knowledge of English and computer in order to adapt to the demand of modern society. equipped with equipped with equipment is 3. equipment 4. When we use metals, it is important to know how they react with different substances… react “（化学）反应”。react with sth表示“与……起化学反应”。 Iron reacts with water and air to produce rust. 【 ... ...
