An American university president once commented that "Einstein has created a new outlook, a new view of the universe. It may be some generations before the average mind grasps the identity of time and space, and so on, but even ordinary men understand now that the universe is something vast than ever thought before. "（）

单项选择题In contrast, when the general population of a society is going through the early stages of social mobilization, language group conflicts seem particularly likely to occur. They may develop animosities which take on a life of their own and persist beyond the situation which gives rise to them. The degree to which this happens may be significantly affected by the type of policy which the government adopts during the transitional period.（）

A. particularly likely
B. on a life
C. which gives rise to
D. which this happens

单项选择题Thousands of tired, nerve-shaking, over-civilized people are beginning to find out that going to mountains is going home; that wildness is necessity; and that mountain parks and reservations are useful not only as fountains of timber and irrigating rivers, but as fountains of life. Awakening from the stupefying effects of the vice of over-industry and the deadly apathy of luxury, they are trying as best they can to mix and enrich their own little ongoings with those of Nature.（）

A. tired, nerve-shaking, over-civilized
B. the deadly apathy
C. as best they can
D. with those of Nature