Example sentences of "is difficult believe that " in BNC.

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31 It is difficult to believe that every time Tinbergen presented a model bill to a chick his activity coincided with a third , unobserved variable that was really signalling to the chick to start pecking ; that would however be possible for the natural observation that chicks peck when their parent arrives .
32 It is difficult to believe that all the paraphernalia of sex is needed merely to ensure that males are not confused with females or males of another species : that could be achieved much more quickly and less colourfully .
33 It is difficult to believe that pupils gain a great deal more from being in a group of six rather than seven pupils ; or that the curriculum of a 43-pupil school ( the average size derived from these statistics ) , can be much more enriched by seven rather than six teachers .
34 It is such a bizarre situation , that it is difficult to believe that one is really there , really carrying a wooden cross through bustling , irreligious , unreflective suburbia .
35 However , it is difficult to believe that sufficient quantities of suitable substances could have appeared at the Cytherean surface to mop up anywhere near the amount of oxygen that would be liberated from an Earth-like quantity of water .
36 They came from a variety of schools and backgrounds and it is difficult to believe that their pupils are more immune to racial prejudice than those mentioned above , or that such wording does not encourage prejudice , albeit subconsciously .
37 It is difficult to believe that a religion so strongly anti-idolatory would allow such an image to exist in the holiest of shrines .
38 It is difficult to believe that anyone in April seriously feared that Gloucester had designs on the crown .
39 If he did not initially envisage independence for black Africa , it is difficult to believe that he did envisage it for the départements of French Algeria .
40 In fact , if the problem is set within the context of an evidently powerful late-tenth-century Danish monarchy , it is difficult to believe that Harald Bluetooth or his son could not have introduced a naval system had they wished , and when the concern about the country 's southern land defences is remembered , along with the importance that must also have been attached to protection from sea-borne attack , it might seem more likely than not that they did wish .
41 To cite the now familiar evidence of mosaics from ( soil it is difficult to believe that the mosaic which features Bacchus in a square central panel amid an arrangement of saltires and interlaced squares ( Parlasca 1959 , pI .
42 IN MRS Barrass ' description of ‘ hunting horror ’ ( HAS Jan 29 ) it is difficult to believe that the couple running up and down egging on the hounds ( not dogs , please ) were real hunt supporters .
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