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match the words with their definitions. 6. at risk 7. deprivation / deprI'veIfn/ (n) 8. lapse in memory; memory lapse 9. impaired /im`pead/ (adj) 10. crucial 11. release /r1'li:s/ (v) 12. spurt /sp3:t/ (n) 13. to some extent; to a certain extent 14. catch up on sth 15. drop off A. a pe ...