South Korea needs only some degree of sweat and some degree of t

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.