Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that's the body's first line of defense against germs.

那些在记忆测试中表现良好的人，其体内的免疫球蛋白 A 水平会升高。免疫球蛋白 A 是一种抗体，是人体抵御细菌的第一道防线。

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The bottom line is that you need to study, eat a good meal, sleep well on the eve of the test, and believe that your efforts will pay off.

底线是你需要在考试前夕学习，吃好饭，睡好觉，并相信你的努力会得到回报。

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Now execute a simple script from the command line to test the set up.

现在从命令行执行一个简单的脚本来测试安装是否成功。

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Italy hit back in similar fashion through Bergamasco - not regarded as a front-line Test goalkicker - straight after the restart when Nick Easter was penalised for not releasing after making a tackle, before a remarkable Wilkinson run came to an end.

BBC: Italy 12-17 England

There were also injury doubts over Bulls open-side flanker Dewald Potgieter and replacement Juan de Jongh, from the Stormers, and the Springbok management will confirm a revised Test line-up later on Wednesday.

BBC: South Africa's Butch James withdrawn from Wales Test

In 2001 Linux pranksters raced pigeons against a 40-gigabytes-per-second fiber line to test a concept a puckish American scientist first coined a decade earlier:CPIP--Carrier Pigeon Internet Protocol.

FORBES: Nerds Of A Feather