高考英语一轮复习 Unit 4 Global warming教学案 新人教版选修6-新人教版高三选修6英语教学案

Unit 4 Global warming三言两语1．It is high time for us to take measures to prevent the earth from getting warmer.2 ． It is a shame that students leave the water running without turning off the tap after washing.3 ． We should awaken public awareness of protecting the wildlife.1．只有这样我们才能与动物和谐相处。Only in this way can we live in harmony with the animals.2．水资源已经被污染得如此严重，以至于一些水不适合饮用或使用。Water resources have become so badly polluted that some of the water is unfit to drink or use.[单词 拼写应用]核心单词1．tend vi.趋向；易于；照顾2. quantity n．量；数量3．glance vi.看一下；扫视 n．一瞥4．advocate vt.拥护；提倡；主张5．mild adj.温和的；温柔的；淡的6．range n．种类；范围7．widespread adj.分布广的；普遍的8．average adj.平均的9．circumstance n．环境；情况10. environmental adj.环境的[语境运用] 用所给词的适当形式填空1 ． ( 上 海 卷 )As a result of destroying the forests, large quantities(quantity) of desert have covered the land.2．The TV show had a massive audience ， ranging (range) from children to grandparents.3 ． He glanced (glance) quickly over his shoulder to see if he was being followed.4 ． The people who cannot quit smoking may easily be affected by his circumstances (circumstance) and surroundings.5 ． The QinghaiTibet Plateau is the world's highest plateau ， averaging (average) over 4，000 metres above sea level.拓展1．oppose vt.反对； 反抗； 与(某人)较量→opposed adj.反[语境运用] 用所给词的适当形式填空1．One of the worst consequences of smoking 单词对的； 对立的2．consequence n．结果； 后果； 影响→consequently adv.因此； 所以3 ． state vt. 陈 述 ； 说 明 → statement n ． 声 明 ； 陈 述 ； 表达4．steady adj.平稳的； 持续的； 稳固的→steadily adv.平稳地； 持续地5．exist vi.存在→existence n．生存； 存在...