【科学60秒】机场出现安检漏洞，请及时修复_英语听力练习mp3下载-科学-沪江听力酷

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【科学60秒】机场出现安检漏洞，请及时修复

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Shhh, keep this podcast a secret. Because new research points to ___1___ in airport security screening: it may be easier to sneak something dangerous past security–a box cutter, for example–by also including ___2___, like a water bottle, into the mix as a distraction.
Scientists recruited college students to find targets on a computer display. Their task: search for lines that formed a T amidst other non-T lines in 10 different experiments. Sometimes the Ts were easy to find, sometimes they were more hidden. When the easy and tough ones appeared ___3___, the students found both on the same screen.
When the easy T’s appeared two to three times more frequently, the students were more likely to miss the tough ones. But when the students were given extra time, ___4___, they were more able to find both targets almost as quickly.
The study suggests that actual professional screeners need to be just as ___5___ in their attention after finding a first piece of contraband in a given bag. And keeping their stress levels as low as possible should help their performance.