2. 外语
  3. There ought to be less anxiety over the perceived risk of mountain climbing than _____ in the public mind today.

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

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问题 There ought to be less anxiety over the perceived risk of mountain climbing than _____ in the public mind today.
选项 A、exists
B、exist
C、existing
D、to exist
答案A
解析 此句中的than是关系代词，相当于引导了一个定语从句，由于前部分主语是anxiety，从句主语也应是anxiety，因此从句谓语动词应使用第三人称单数，故选项A正确。
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