66.★★★
Africa's black rhino population in the mid-1970's numbered about 20,000, ten times the estimated population of 2,000 in 1997.
(●) the estimated population
(B) that of their estimated population
(C) more than the population's estimated amount
(D) more black rhinos than their population estimate
(E) more than that of their population's estimated amount
这题我选的是B。我觉得比较对象应该对等,应该是数量和数量的比较;后来仔细看前面是population。答案是A。我的思路方向对不对啊。请高手指点一下;
67.★★
Scientists say that each of the photographs taken of the Ares Vallis plain by the Mars Pathfinder indicate the overwhelming extent to flooding on the planet billions of years ago and the degree that rocks were scattered by its force.
(A) indicate the overwhelming extent to flooding on the planet billions of years ago and the degree that
(B) indicate that the extent of the floods on the planet billions of years ago was overwhelming and the degree to which
(C) indicate the overwhelming extent of the floods on the planet billions of years ago and the degree to which
(●) indicates the overwhelming extent of the flooding on the planet billions of years ago and the degree to which
(E) indicates the overwhelming extent to flooding on the planet billions of years ago and the degree that
我选的是E。答案是D。为什么呢?我似乎记得看新东方的笔记上的关于extent 有一题,说什么领空的定义的那题;好象说extent to 还有 extent that 为什么这里用 extent of,不过关于这个词我真忘了。有哪位大虾指点指点;