题目内容
4.The robot should never be checked.(对划线部分提问)Howoftenshould the robot be checked?
分析 --机器人不应该被检查.
--机器人应该多久被检查一次?
解答 答案:How often.考查划线部分提问.根据never从未,绝不.可知对频率副词提问用疑问词how often多久.剩下的变为一般疑问句,情态动词should提前.答案是how often.
点评 对划线部分提问,要根据划线部分内容选择合适的疑问词,剩下的变为一般疑问句.注意区分疑问词的用法.会正确运用一般疑问句用法.
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