试题题干
Fill in the blanks with an item as required.
With an appropriate relative pronoun or relative adverb:
To avoid the various foolish opinions to
mankind is prone, no superhuman genius is required.
参考答案
试题解析
本题考查从句引导词的选择。be prone to：易于，倾向于。所以这里需要填一个代词，指代to后面的具体内容。故填which。
句意：要避免人们常常产生的各种愚蠢的观点，并不需要过人的天赋。