下列哪座山脉不属于环绕东北三省的山脉（    ）

阅读下面的短文，从方框中选择单词，根据实际情况用单词的适当形式填空，使短文意思完整、通顺。每空一词，每词只能用一次。

      Young people and older people don't always agree with each other. They sometimes have ____  ideas about work and life. But in one special program in New York State, adults and teenagers live together in a ____  way.

      Each summer 200 teenagers and 50____  live and work together for eight weeks as a group. Everyone works several hours each day. Some teenagers work in the forest or on the farms. Some learn to make things like tables and chairs and build houses. The adults ____  them theses skills.

      There are several free hours every weekday. Weekends are free, ____ . During the free hours, some of the teenagers learn photo taking or painting. ____ sit around and talk or sing. Each teenager chooses his own way to ____ his free time.

      When people live together, rules are necessary, In this program the teenagers and the adults make the rules together. If someone breaks a ____ , the problem is brought to the whole group. They talk about it and ask, “How did it happen? ____  should we do about it?”

      One of the teenagers says about his experience, “____  stop thinking only about yourself. You learn to think about the group.”

产业转移是如何促进区域产业分工和合作的？

在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密。每处不超过12个字。

从新课改的视角看，教师不应再是单纯的知识传授者，① ，他将“游客”引入佳境，自由观赏、探究奥秘，但当“游客”对巍然高耸的建筑群茫然不解或不识鸟兽草木之名时，他不会置身事外，② ，令人如沐春风，有时还要象仙人指路，在“游客”的思路出现滞涩凝绝时轻灵而高妙地一“点”，即收到“ ③ （诗句）”的奇效。