观察下图后回答问题：

（1）下图是反映红军长征的场面，你能为这三幅画写个题目吗？

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                                                                                                                                                                 （2）你还能举出例子说明中国工农红军在长征途中经过了哪些地方，遇到了哪些困难吗？                                                                                                                                                                                                                                                                                                                                   （3）21世纪的今天，我们是否有必要发扬红军精神，请谈谈你的看法。