71.   River levels dropped slowly on the lower and middle reaches of the Yangtze on Sunday after another crest passed.

72.   Some allies have allowed force levels to drop, giving commanders several thousand fewer troops.

73.   The level had dropped by one to two metres recently and, based on reports from the Meteorological Department, immediate precautionary measures needed to be taken.

74.   The government has cut off water to many farmers as dam levels have dropped.

75.   The latest problem is not high water, but the speed with which river levels are dropping in the southeastern Netherlands.

76.   The level dropped sharply in recent samples, he said.

77.   The month-on-month retail price index has been declining for three months now, and the year-on-year level has dropped for two.

78.   They can take many years to grow and may disappear with menopause, when natural estrogen levels drop.

79.   Their virus levels dropped so low they could not be found on standard tests.

80.   There will be no more trucks and barges coming so the noise level will drop and the rotten egg smell should decrease dramatically.