1-3 观点法 ----开门见山，直接了当地提出自己对要讨论的问题的看法。

　　[1]. Never history has the change of  been as evident as …

　　Nowhere in the world/China has the issue/idea of  been more visible/popular than…

　　[2]. Now people in growing/significant numbers are beginnig/coming to realize/accept/（be aware） that…

　　[3]. Now there is a growing awareness/recognation ot the necessity to……

　　Now people become increasingly aware/conscious of the importance of ……

　　[4]. Perhaps it is time to have a fresh look at the attitude/idea that……