It is known as common knowledge that computers are super calculators‘什么’代表冠词冠词分为定冠词和不定冠词定冠词 the不定冠词 a/an one就这几种不是，我说句中的‘什么’代表冠词那就什么不填因为【it is common knowledge that】是固定句型 不需要冠词