Sneeze droplets could hang in the air for about______.

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问题

选项 A、19.68 feet
B、20 minutes
C、100 MPH
D、3 hours

答案B

解析本题考查喷嚏飞沫在空气中停留的时间。图片中Did You Know?处列举了4条数字信息。其中Time sneeze droplets hang in the air所对应的数字为20 Minutes。A)为喷嚏传播的距离，C)为喷嚏的速度，D)为手上细菌的存活时间，故B)为正确答案。

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本试题收录于：大学英语三级B级题库大学英语三级分类

大学英语三级B级

大学英语三级

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Sneeze droplets could hang in the air for about______.

大学英语三级B级

大学英语三级

No.1Cashiers(出纳员)Full-time/Part-time

Thestorytookplace.ManypeopleknewLouisBleriotisapilot,because.

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