Example sentences of "it is difficult to imagine a " in BNC.

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1 The ‘ merry-go-round ’ system which allows loading and discharge to take place while an entire train remains in motion has continued to form the mainstay of Railfreight Coal 's operations , and it is difficult to imagine a more efficient alternative .
2 Carbon dioxide will be the supreme test of commitment and anti-pollution technology , but , as has been noted before , it is so omnipresent , its natural cycle so great and its sources and sinks so difficult to determine accurately ( one assessment in early 1990 downgraded the amount mopped up by the oceans by 50 per cent but came to no firm conclusion about where the unaccounted for remainder went ) , so closely linked with economic growth and its man-made sources so hard and expensive to restrain that it is difficult to imagine a protocol which will be globally effective .
3 The study , however , was dependent on teams volunteering to take part , and even without this it is difficult to imagine a design which would match teams on all dimensions .
4 It is difficult to imagine a butterfly without a plant to feed on , and we have to assume that both the plants and the appropriate pollinators diversified together .
5 It is difficult to imagine a world in which the status of your car — and yourself , by implication — centres around miles per gallon , but making economy desirable and fashionable seems to be the way to change the habits of private car owners .
6 It is difficult to imagine a youth cult without its own type of music .
7 Once placed in their political context , it is difficult to imagine a set of guidelines of good practice in urban policy precisely because of the interaction of policy , theory and practice that this volume attempts to emphasise .
8 It is difficult to imagine a public transport setting where the combination of infinitely ( and rapidly ) varying weather and interesting manual flying in arguably one of Europe 's most beautiful areas can be bettered .
9 It is difficult to imagine a more thorough mauling in court than the WRAC experienced .
10 It is difficult to imagine a rabbit plodding steadily on : they are not built for it .
11 It is difficult to imagine a more ardent disciple of the American work ethic , combining spartan living with high academic endeavour : he was the epitome of the Get Up And Go philosophy .
12 As it is difficult to imagine a direct advantage conferred by shell banding for survival in wave-swept conditions , banding must be a pleiotropic consequence of a physiological or morphological trait that does affect life under those conditions ( Berry , 1983 ) .
13 It is difficult to imagine a school appointing a Head of French or Science without having either a fair idea of what a French or Science curriculum should be or a commitment to quickly devise one .
14 The poem obviously engages with Milton 's experience of the revolution 's defeat following the Restoration , and , given Milton 's well-known support for Commonwealth and Protectorate , it is difficult to imagine a reader in the early 1670s perceiving the poem as evolving out of the period of the late 1640s , a time which many supporters of the English Revolution experienced as one of hope and triumph .
15 It is difficult to imagine an appropriate ‘ diagram ’ which could incorporate both the sequential pattern of elements introduced and the interrelatedness of those elements with each other and with the contextual features .
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