He therefore had to match his sample of families with the much bigger sample in the official household survey carried out by the National Bureau of Statistics.

因此，他将这些家庭样本与样本数较大的国家统计局进行的官方家庭调查进行比对。

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First, fill in the Doping Control Official Record clearly and choose a perfectly clean cup to collect urine sample no less than 75ml.

首先，清楚地填写兴奋剂检查记录单。然后拿一个彻底清洁的尿样瓶去留75毫升尿。

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"Sample tests show no problems with our oil, " an official from Sinopec said.

中石化岳阳分公司相关人士表示，检测显示油品没有问题。

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An administration official told CNN the sample size of the annual government survey will be expanded to more than 22, 000 teenagers as the more specific questions about smoking habits are added.

CNN: Clinton Orders Survey Of Cigarette Brands Teens Smoke

Only the Kremlin still has an official taster on hand to sample the Russian president's food and make sure it hasn't been tampered with.

MSN: Presidential chefs swap recipes for world diplomacy

Of the 321 respondents - sample members of 'Englandfans, the official England Supporters' Club' - 67% said they did not think he was right for the role.

BBC: SPORT | Football | Internationals | Butcher doubts over McClaren job