In the past few years, Math Counts added two new middle school programs to try to diversify its participant pool—the National Math Club and the Math Video Challenge.

在过去的几年里，数学竞赛 Math Counts 增加了两个新的中学项目（国家数学俱乐部和数学视频挑战），试图使其参与者群体多样化。

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The main challenge lies in managing resources by placing limits on the number of outstanding overlapped calls so that the non-paged pool is not exhausted.

通过设置合理的进行守候的重叠调用的数量，防止出现未分页内存池被耗尽，这才是最主要的挑战。

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Every country has its own problems of education and all could help resolve them by learning from each other; employment, too, is a common economic challenge and countries could pool their experience.

每个国家都有自己的教育问题，各国可以通过互相学习解决问题。就业也是一个共同的经济挑战，各国应当集思广益。

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Victory for Wasps, who finished runners-up behind Toulouse in their pool, sent them into the second-tier Amlin Challenge Cup, where they will face local rivals Harlequins in the last eight.

BBC: Northampton to face Ulster in Heineken Cup last eight

Davies is among the favourites to challenge Olympic 1500m gold medallist Grant Hackett in the pool in Beijing.

BBC: SPORT | Olympics & Olympic sport | Swimming | Davies keen on Olympic 10k event

Two Contemponi penalties and anoother Hernandez drop goal snuffed out the Irish challenge and Argentina go forward with a perfect record in the pool play.

CNN: Argentina send Irish home with win