题目内容

8．As the intelligence of robots increases to match ________ of humans，we may use them to expand our frontiers．（　　）
A．itB．thatC．whichD．them

分析 因为机器人的智慧增长得可以和人类相媲美，我们也许可以用它们去开拓我们未知的领域．

解答 答案：B 题干中指代的是intelligence智慧，抽象名词；it指代同一事物，that指代抽象名词，which引导从句，them指代复数．that指代抽象名词时，后常有of短语修饰．故选B．

点评 代词用法灵活．学习时，要注意积累．特别是相似用法，要注意区分和掌握．特别是one，it，that比较容易混淆的，one指代同类事物中的任意一个；it指代同一事物；that指代不可数名词．

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