单选题
公共英语三级
2011-08-17
According to scientists people sneeze because_____
A． they are ill
B． to sneeze is human nature
C． they do not need any conscious help
D． there are unwanted things in their noses
参考答案
B
答案解析
从“When you need to sneeze you sneeze，this beingnature’S clever way of getting rid of all annoying object from thenose．111e object may be just some dust in the nose which nature isstriving to remove．”可知。此题考查对段落文意的理解。在最后一段中“nature”作为关键词，是判断本题的重要依据。
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