张老师是一个“后进班”的班主任,周末,他带领全班同学去郊游。他们来到一片林区,进入林区只能步行。一路上,美景连连,让人目不暇接,同学们个个兴奋不已。不远处有棵千年大树,那是这个林区的“镇林之宝”。这棵标着“千年参天木”的大树高达百米,粗壮的主干几个人也合抱不 Ms. Zhang is a class teacher in the “after class.” On weekends, he led the entire class to go outing. They came to a forest area and entered the forest area only to walk. Along the way, the beautiful scenery, people dizzying, students are excited. There is a thousand-year-old tree not far away. It is the “Zhenlinbao” of this forest area. The giant tree marked “Millennium Trees” is up to one hundred meters thick.