课 题Global warmingability goalsHelp the students learn how to use new words and expressions of this unit and how to use “it” for emphasis
KnowledgegoalsEnable the Ss to learn and master the following words and phrases:compare, graph, phenomenon, fuel, quantity, per, data, catastrophe, climate, consequence, state, range, glance, widespread, decrease, steady, steadily, average, existence, outer, elec trical, motor, can (n
), microwave, nuclear, disagreement, title compare to, come about, quantities of, result in, build up, keep on, on the whole, make a difference, put up with, so long as, and so onEmotional and valuable aimsEnable the Ss to find fun in cooperative learning
Arouse the Ss’ interest in language study through making practical sentences with the key words in group competition