九年级 Unit 2 Tpoic 3 Section C.pptVIP

Teaching aims and demands 1. Learn a new word: electric 2. Learn some compound sentences: (1) They work well, but they are slow and can’t run for long. 3. Learn some Finds of energy and their advantages and disadvantages. Review Can you remember what we have learned in Section B? Can you remember Jane and Michael? What are Jane and Michael doing? What should they do? True or Fuse ①( ) It’s good that people produce power from coal. ②( ) Nuclear power is dangerous. So we can’t use it. ③( ) The car that used animal waste to run worked well. ④( ) The electric cars can run a long distance. ⑤( ) The Maglev Train can be used in most of China. ⑥( ) In Wales water pushes the trains down and pull them up the hill. Key points 1.produce power from 2.use biogas technology use sth. to do sth.用….做某事 We often use computers to play games. be used for doing sth.用于做某事 Robots are used for doing housework. 3.in people’s everyday/daily life 4.at a speed of…… 课堂练习 Fill in the blanks 1) _________ it’s raining hard, he keeps on working in the field. 2) Kangkang can solve the problem, ___ I can’t. 3) Mr Lin is very kind ____ he is very humorous. 4) The suit fits me well ____ I can’t afford it. * First, turn off the lights when leaving a room. Walk or ride a bike instead of taking a bus or a taxi … Take a cloth bag when we go shopping. Look up these words in a dictionary. power acid rain nuclear renewable electric efficient 电力； 动力；力 酸雨 原子核的， 原子能的； 核动力的 可更新的 电动的， 用电的 效率高的； 有能力的 Wind is used for producing electricity in many places. Look at the following pictures and guess the meaning of the underlined word. More and more people are interested in electric cars. Look at the following pictures and guess the meaning of the underlined word. The maglev train in Shanghai uses magnets. The magnets push the train forward. Look at the following pictures and guess the meaning of the underlined words. people produce power from coal, but it is very dirty and c