2. 外语
  3. It’s hard to confirm or refute that there’s a causal relationship between the amount of fat we eat and the ______ of heart attac

It’s hard to confirm or refute that there’s a causal relationship between the amount of fat we eat and the ______ of heart attac

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问题 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.
选项 A、incidence
B、impetus
C、momentum
D、emergence
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”，往往指的是非物质的发展动力；emergence“浮现，露出”，意指事物发生的动作。A 为答案。
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