In ancient China, a gold dragon on the emperor’s clothes was regarded as a  _____ of power and position.

British students only have a language ____ for jobs in the USA and Australia.

(2014·福建省普通高中质量检查)Because of H7N9 bird flu，all the chicken markets in Shanghai  have been closed and won’t open until further________.

It is well-known to us all that the dove is a ______ of peace .

In the _____ of rain in the process of planting trees, you must stop.