Example sentences of "is know [that] [det] [noun pl] " in BNC.

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1 To have such ‘ scientific knowledge ’ of , say , the facts that man is the only animal with a sense of humour , that gold dissolves in aqua regia , or that triangles have angles equal to two right angles , is to know that these things must be so and can not be otherwise .
2 It is known that all forms of research literature do obsolesce , and that there are considerable differences between the pattern of obsolescence of different subject areas .
3 It is known that such patients may have one of a variety of conditions such as arteriovenous malformations in the small intestine or colon ( including angiodysplasia and telangiectasia ) , Meckel 's diverticulum , Crohn 's disease , and small bowel smooth muscle tumours .
4 It is known that many families emigrated to Canada during the fifty years from 1818 to 1868 and a great number of them came from the crofts .
5 These mediators are probably responsible for pathological changes because it is known that these mediators can induce an inflammatory response by changing capillary permeability , inducing inflammatory cell infiltration , and activating the inflammatory cells .
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