South Korea needs only some degree of 【sweat】 and some degree of

South Korea needs only some degree of 【sweat】 and some degree of technological sophistication.
A、effort
B、water
C、fever
D、sweet
【正确答案】：A
【题目解析】：句意：韩国只需要一定的努力和技术水平。sweat在句中的意思是“艰苦努力”。选项中effort意为“努力”;water意为“水”;fever意为“发烧”；sweet意为“糖果”；故本题选A。