Both the caribou and the reindeer belong to the species Rangifer tarandus, but after 7,000 years of domestication in Eurasia, reindeer have developed a tendency to circle in tight groups, while caribou tend to spread far and wide.
(D) are the same species, Rangifer tarandus, but about 7,000 years of domestication in Eurasia have developed reindeer's tendency to circle in tight groups, while the tendency is for 正确答案不是D。但是解释里对D的一点分析我有点疑问,所以来问问。解释中说主语是7,000 years of domestication,要求使用单数谓语has。是不是应该7000years决定谓语动词的单复数问题呀?如果是的话,那不是应该用have?这里我有点晕,希望NN解答~~O(∩_∩)O~
Both the caribou and the reindeer belong to the species Rangifer tarandus, but after 7,000 years of domestication in Eurasia, reindeer have developed a tendency to circle in tight groups, while caribou tend to spread far and wide.
(D) are the same species, Rangifer tarandus, but about 7,000 years of domestication in Eurasia have developed reindeer's tendency to circle in tight groups, while the tendency is for 正确答案不是D。但是解释里对D的一点分析我有点疑问,所以来问问。解释中说主语是7,000 years of domestication,要求使用单数谓语has。是不是应该7000years决定谓语动词的单复数问题呀?如果是的话,那不是应该用have?这里我有点晕,希望NN解答~~O(∩_∩)O~
-- by 会员 yahoochao (2010/4/18 15:35:35)
7,000 years 是用来形容domestication的,所以domestication才是主语~~~呵呵
同是这题我也有个疑问,7,000 years of domestication in Eurasia have developed reindeer's tendency 这种表达对么?domestication……developed?纠结~~~