xdf-14-13

willandgrace · 发表于 2004-8-18 20:52:00

13. His studies of ice-polished rocks in his Alpine home-

land, far outside the range of present-day glaciers,

led Louis Agassiz in 1837 to propose the concept of

an age in which great ice sheets had existed in now

currently temperate areas.

(A) in which great ice sheets had existed in now

currently temperate areas

(B) in which great ice sheets existed in what are

‍now temperate areas

(C) when great ice sheets existed where there were

‍areas now temperate

(D) when great ice sheets had existed in current

‍temperate areas

(E) when great ice sheets existed in areas now that

‍are temperate

哪位NN能分析一下此题? 答案是B.

willandgrace · 发表于 2004-8-19 06:02:00

willandgrace · 发表于 2004-8-21 21:58:00

up again

luojihencha · 发表于 2009-12-13 13:06:07

an age in which是固定搭配

所属分类: 下线版块