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This involved taking a sample of entries from different parts of a dictionary and asking the subject to count how many she recognised.

该项工作包括，从一部词典不同位置采取词条样本并询问接受测试者，然后记下她认识的单词数。

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Researcher Prof Kevin Campbell-of the University of Manitoba, Canada, said: 'The molecules are no different than going back in time and taking a blood sample from a real mammoth.'

加拿大马尼托巴大学（University of Manitoba）的研究者凯文·坎贝尔（Kevin Campbell）教授说：“（取自猛犸象冰冻标本的DNA所再造的血液）分子，与回到过去从一只活的猛犸象身上取得的血样并无二致。”

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Dr Brennan, who was the clinical director of the service from October 1990 until he took paid leave in June 1997, failed to carry out a key test on dozens of women which involves taking a sample of cells from the suspected cancer with a fine needle, the GMC was told.

BBC: Doctors 'failed breast cancer patients'

Instead of taking the temperature of a representative sample of customers, firms must identify the few special customers who innovate.

ECONOMIST: The future of innovation

Taking a sample from one part of a tumour may not reveal its full genetic identity, according to research by scientists from Cancer Research UK (CRUK).

BBC: DNA analysis shows huge genetic diversity in tumours