There ought to be less anxiety over the perceived risk of mountain climbing than

游客2023-12-30 30

问题 There ought to be less anxiety over the perceived risk of mountain climbing than exist in the public mind today.

选项 A、existing
B、exists
C、to exist
D、it exists

答案 B

解析句意：人们对于爬山潜在风险的担忧，应比现在所有的更少才是。本题考查从句中省略主语的用法。than后接一个比较状语从句，由于前半句主语是anxiety，所以从句主语也是anxiety，故exist用第三人称单数形式，选项B正确。

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