56. Archaeologists in Ireland believe thata recently discovered chalice, which dates from the eighth century, wasprobably buried to keep from being stolen by invaders.
语法上是对的,但是meaning上错了:the chalice was probably buried to avoid being stolen by invaders. 读起来很变扭,这里不是很清楚是否是别人bury to avoid being stolen还是chalice bury 了自己to avoid being stolen。这里需要“it”来说明to avoid 什么being stolen。