材料:在教学“意识的作用”一课时，某教师以“电动车加装遮阳伞的设计、制作及使用效果”为整堂课的情境主线，依次设置三个探究性问题。第一组情境围绕遮阳伞电动车的设计，设置了第一组探究性问题：“你觉得设计者在设计过程中会考虑哪些问题？这说明人的意识具有什么样的特点？”通过学生的小组讨论和合作探究，使学生明白人能够能动地认识世界，而动物则不能。第二组情境围绕遮阳伞电动车的制作，让学生看了人们骑着装了遮阳伞的电动车在道路上驰骋的画面后，设置第二组探究性问题：“聪明的商家将电动车遮阳伞的设计变成了现实，这体现了意识具有怎样的作用？是意识直接创造了电动车遮阳伞吗？”通过师生合作探究，学生明确了意识在改造世界过程中的作用，即人能够能动地改造世界。这时，有一个学生提出问题：电动车加遮阳伞不安全。学生议论纷纷。教师引导学生讨论，并播放一段视频，内容是“电动车加装遮阳伞犹如在自己头上‘加把刀’。”教师适时提出第三组探究性问题：“交警为什么要求加装遮阳伞的电动车车主拆除遮阳伞，恢复电动车原状？发挥意识作用的前提是什么？”学生结合视频及问题讨论，明确了改造世界不仅要发挥主观能动性，还要尊重客观规律，把两者结合起来，做到一切从实际出发，实事求是。

依据思想政治课程与教学有关理论，分析该教学设计中所设置的探究性问题有何特点。（20分）

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