Example sentences of "[is] a [adv] [adj] period [prep] " in BNC.

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1 Clearly , large numbers of new features were introduced , new types of settlement were constructed and new activities were carried out , but 400 years is a relatively short period in the life of the English landscape and to describe the Roman era as an interlude may , therefore , be correct in landscape terms .
2 The range is from 5.0 to 7.6 , so that the star is never too dim to be found with binoculars ; there is a very rough period of around 130 days .
3 ‘ In the life of any organisation , a centenary is a very considerable period of time , a good deal longer than is given to most of us .
4 Since 15 million years is a very short period in terms of evolution , we have to conclude that there were some big whales around at the time of the catastrophe .
5 ‘ I do n't think this is an unreasonably short period of acclimatisation , ’ added Walsh , who climbed his first 8,000-er in the shape of Cho Oyu two years ago .
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