Example sentences of "is [adv] known [conj] [adj] [noun pl] " in BNC.

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1 Until quite recently it was considered that it was the crust that attained equilibrium with respect to the mantle , but it is now known that isostatic adjustments also involve the rigid mantle forming the lower part of the lithosphere .
2 It is well known that Roman remains are found at considerable depth in the lower Thames Valley and that the " Roman snail " they introduced to Britain is found far down in hill wash and similar deposits .
3 It is well known that other groups of hypochlorhydric patients — for example , after partial gastrectomy or vagotomy ; in chronic atrophic gastritis ; in pernicious anaemia — have an increased incidence of gastric cancer .
4 It is well known that deprived children tend to do less well at school than their ‘ ordinary ’ peers .
5 It is well known that Homoeopathic remedies are very dilute in their preparation though their effects can not be explained so simply .
6 It is somewhat paradoxical that structural shift does not appear to have been a major factor in productivity growth after the war , because it is well known that structural imbalances contributed substantially to unemployment between the wars .
7 It is well known that local reversals of movement occur and may possibly go on for a number of years .
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