A-A+
It's hard to confirm or refute that there's a
问题详情
It"s hard to confirm or refute that there"s a causal relationship between the amount of fat we eat and the ______ of heart attacks.
A.incidence
B.impetus
C.momentum
D.emergence
参考答案
正确答案:A
解析:名词辨析题。incidence指“出现的范围、程度或频率,发生,出现”,强调的是发生这个事实;impetus意为“推动力,促进”,一般指的是促进事物向前发展的推动力;momentum意为“动力,要素,契机”,往往指的是非物质发展的动力,如:思想或事物进程的发展势头;emergence“浮现,露出”,意指事物发生的动作。