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一、自学生疑,在自读交流中感知师:我们继续学习《海洋——21世纪的希望》,观看大海平静安详和波涛汹涌的视频。师:同学们,此时你能用一、两句话说说海洋与人类的关系吗?生:大海在我们的眼中,它有时候涛汹涌,给人类带来可怕的灾难。生:大海有时候带给人们的是无尽的欢乐。师:通过课前自助阅读和刚才的交流,同学们共同的疑问是:为什么海洋是21世纪的希望?
First, self-doubt, self-read exchange teacher: We continue to learn “the sea - the hope of the 21st century”, watching the serenity of the sea calm and choppy video. Teacher: Students, can you use one or two sentences to talk about the relationship between the sea and human beings? Health: The sea in our eyes, it sometimes turbulent, bring terrible human devastation. Health: The sea sometimes brings endless joy to people. Teacher: Through self-help reading before class and the exchange just now, the common question for students is: Why is the ocean the hope of the 21st century?