一、引人入胜开场白教师要注意采用多种多样的方法激发学生强烈的求知欲望,引导学生调整情绪,让他们迅速进入最佳状态,跟着老师探索知识的海洋。教师举了一个例子:一位老太太有两个儿子,大儿子卖雨伞,小儿子卖柴火。天下雨时,她担心小儿子的柴火卖不出去;晴天时担心大儿子的雨伞卖不出去。老太太天天不开心,吃不好、睡不好。教师设问:“请你想一想办法,让老太太高兴起来”。问题找准学生的兴奋点,学生马上活跃起来。学生七嘴八舌说:“老太太换一种想法就会开心,天晴时想小儿子能赚钱,雨天时想大儿子能赚钱,都有儿子赚钱”;“天晴时,大儿子卖防紫外线雨伞,雨天时,小儿子把柴火用防水布包好卖,这样不管天晴或雨天,兄弟俩都能做生意。”这样,教师很自然地带领学生进入 First, the fascinating opening ceremony teachers should pay attention to using a variety of ways to stimulate students’ strong desire for knowledge, to guide students to adjust their emotions, so that they quickly into the best condition, followed by teachers to explore the ocean of knowledge. An example is given by the teacher: An old lady has two sons, her oldest son selling umbrellas, and the youngest son selling firewood. When it rained, she was worried about the soldier’s firewood being sold out; she was worried about her eldest son’s umbrella being sold out in sunny weather. Old lady is not happy every day, eat well, sleep well. Teacher asked: “Please think of ways to make the old lady happy ”. Students identify the problems of excitement, students immediately active. Students rushes to say: “The old lady will be happy to change an idea, when the sunny wants the younger son to make money, when the rainy day wants the elder son to make money, all have the son to make money ”; “When fine, large Son selling UV umbrellas, rainy days, the younger son of the firewood tarpaulin bag for sale, so fine or rainy day, both brothers can do business. ”" In this way, teachers naturally lead students to enter