本题出现的两幅图画具有一定的特殊性,即:两者之间没有显著的视觉差异,也缺乏连续性动感很强的发展、演变过程。这给完成此题带来了难度,但引导得法,则又可以为学生提供一次综合训练观察、思维、表达能力的难得机会。教学中可按这么几个环节来进行。一、初步观察,分别感知两幅图意为了集中学生的注意力,我们可以采用挂图或 The two pictures appearing in this essay have certain peculiarities, that is, there is no significant visual difference between the two and lack of continuous development and evolution with strong dynamic. This has brought difficulties to the completion of this question. However, when it is learned, it can provide students with a rare opportunity to comprehensively observe, think and express their abilities. Teaching can be carried out in so many steps. First, the initial observation, were aware of two images In order to focus the attention of students, we can use the flip chart or