1.   Health officials have cautioned the public to wash fruit thoroughly before eating it.

2.   Officials are cautioning that the war may continue for years.

3.   Although the agency appears to be leaning toward adopting the new rules, federal officials caution that people should not rush to deactivate their air bags without good reason.

4.   Although the lifting of the vessel represented the most dangerous phase of the operation, officials cautioned that the project is still not complete.

5.   American officials caution that the times of each statement heard on the tapes remain approximate, and are still reviewing them to determine a precise chronology.

6.   American intelligence officials cautioned that the plot was still in its initial planning stages and no time for the operation had been set.

7.   And as Dennis moved away from the coast Monday afternoon, officials cautioned that the storm is still a threat to the state.

8.   And Mexico noted one death, but officials there cautioned that number could rise as the rains move into its rural and poorer southern states.

9.   And some officials cautioned that further analysis might lead them to still different theories about the cause of the crash.

10.   At the same time, officials cautioned that neither the fire nor the task force is going to cure alcohol abuse.

n. + caution >>共 260
official 17.79%
analyst 13.91%
expert 9.55%
researcher 4.98%
economist 2.49%
scientist 1.87%
executive 1.80%
doctor 1.66%
diplomat 1.52%
leader 1.38%
official + v. >>共 435
say 47.50%
be 4.69%
decline 1.52%
deny 1.31%
tell 1.13%
have 1.07%
refuse 1.01%
confirm 0.91%
insist 0.87%
believe 0.81%
caution 0.15%
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