It said the country's confirmed H7N9 cases were isolated and there has been no______ of human-to-human transmission.

To my parents’ relief, both my brother and I followed the family _____ and became doctors.

— What should I do before operating the new machine?— You’d better read its ______ first carefully.

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

It was such a ________to hear that her son was found safe and sound in the forest.