求解GWD1-Q15

christinaryt

求解GWD1-Q15
In parts of South America, vitamin-A deficiency is a serious health problem, especially among children.In one region, agriculturists are attempting to improve nutrition by encouraging farmers to plant a new variety of sweet potato called SPK004 that is rich in beta-carotene, which the body converts into vitamin A.The plan has good chances of success, since sweet potato is a staple of the region’s diet and agriculture, and the varieties currently grown contain little beta-carotene.


Which of the following, if true, most strongly supports the prediction that the plan will succeed?




A         The growing conditions required by the varieties of sweet potato currently cultivated in the region are conditions in which SPK004 can flourish.


B         The flesh of SPK004 differs from that of the currently cultivated sweet potatoes in color and texture, so traditional foods would look somewhat different when prepared from SPK004.


C         There are no other varieties of sweet potato that are significantly richer in beta-carotene than SPK004 is.

应该选A，错选了B, B为什么错呢？

sherryke

从政府的观点上来看，如果你想让这样一个方案得到成功，你所考虑的最基本的是这样的一种土豆能否在该地区生长，而不是优先考虑它含的某种成分有多少。基本性原则。

Sherryxqr

C呢，为什么错？

DayDreamin

B是關於POTATO的模樣 跟題目無關

rainnight

B说“so traditional foods would look somewhat different when prepared from SPK004”，也就是说SPK004不如以前的sweet potato，这是削弱啊。
A提供了可行性，加强。