Scientists claim that the discovery of the first authenticated mammal bones in amber could provide important clues of determining, in addition to how, when mammals colonized the islands of the West Indies.
A: of determining, in addition to how, when mammals colonized the islands of the West Indies
B: in the determination of how and when the islands of the West Indies were colonized by mammals
C: to determine how mammals colonized the islands of the West Indies and when they did
D: for determining when the islands of the West Indies were colonized by mammals and how they were
E: for determining how and when mammals colonized the islands of the West Indies求助NN为什么不选B？我记得ron说过名词更好呀 所以这里determination不是会比determining更好？看到determination就秒选B了~
| 
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2018-7-29 18:28:10
收藏
收藏
楼主
