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一、上好第一课紧紧抓住学生兴趣绪论是高中生物的第一课,上好绪论课就是成功的一半。应不拘泥于课本,外列举大量的事例,激发学生求知的愿望,充分调动学生学习积极性:今年的长江行动,河流的污染,其罪魁祸首之一是长江中上游森林被大量砍伐,河流沿线化工企业的污水排放。近年来,黄河每年断流达100多天,这是大自然向人类发出的警告。大炼钢铁“炼就”了多少荒山!先围湖造田,后返田还湖,浪费了人民多少血汗。听说过“多利羊”吗?非典是怎么回事?人能患禽流感吗?等等。
First, a good first class to seize the student interest Introduction is the first high school biology class, a good introductory class is half the battle. Should not rigidly adhere to the textbook, a large number of examples cited outside to stimulate students desire to know, and fully mobilize the enthusiasm of students to learn: This year’s Yangtze River operations, river pollution, one of the culprits is the middle and upper reaches of the Yangtze River forests have been heavily cut, along the river chemical Enterprise wastewater discharge. In recent years, the Yellow River has cut off more than 100 days a year, which is a warning to nature from nature. Iron and steel “refining on ” how many barren hills! First lake around the lake, returned to the lake, a waste of people how much blood and sweat. Have you ever heard of “Dolly”? What happened to SARS? Can anyone suffer from bird flu?