Example sentences of "they [be] exposed to [adj] " in BNC.
Next page| No | Sentence |
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| 1 | This is probably because , locked in the artificial environment of a city in winter , they are exposed to insufficient natural light for their master clock to synchronise its cycle with that of the sun , and so their " day " grows longer . |
| 2 | ‘ Whenever they are exposed to real difficulty ’ , he pointed out , ‘ they run for the British umbrella . ’ |
| 3 | He saw that the alternative was to suppose that cells become different because they are exposed to different external influences . |
| 4 | Kenneth Markham , who works for the Department of Scientific and Industrial Research , funded by the New Zealand government , analysed flavonoids , photo-protective pigments which are synthesised in plants when they are exposed to harmful UV-B radiation , the wavelength most affected by the depletion of stratospheric ozone . |
| 5 | These substances , which tend to accumulate in tumour cells , turn from relatively benign chemicals into killers when they are exposed to red light . |
| 6 | These are very much the sort of symptoms seen in many chemical-sensitive patients when they are exposed to organic solvents . |
| 7 | Potatoes turn green when they are exposed to any form of light . |
| 8 | Animals were housed in an animal care facility that is approved by the American Association for Accrediaton of Laboratory Animal Care and they were exposed to 12 hours of alternating light and dark cycles . |