1.The airport authorities have promised to review their (secure) measurements.
答案:security
2.The patient lost (conscious) before the operation.
答案:consciousness
3.Prof.Smith (remark) on the difference between the two dictionaries.
答案:remarked
4.The British (consumer) a vast amount of tea each year.
答案:consume
5.I need a map showing the population (distribute) of Canada.
答案:distribution