1：怎样减少空气污染
2：你喜欢住在old and hostical house or modern house and building
3: 学校把theater 租给community theater group. man agrees.
1)bring entermant to students, 能丰富学生课余生活。提到去年暑假在学校没有体育艺术活动，很无聊。
2)the rental fees 能用来改善剧院的设施。seats are uncomfortable and old
4：生物的自我清洁能力.树叶掉落在steam will block water…but this happened seldom. bacterial can release chemical material to degrade leaves
5：女生第一天实习，生病了，建议：在家里休息，但是女生觉得是第一天，想留下好形象。或者去药店买药，原因没听清～
6：two types of loading :
1)give different task to increase interesting 举例：让卖手机的卖一阵电脑
2)giving challenging and important task to increase involvement 例子没听懂～