He asserted that nuclear power was a safe and non一polluting energy source.

2023-07-03

A: maintained
B: recommended
C: considered
D: acknowledged

参考答案:A

题干意为“他断言核能是一种安全而又无污染的能源。”句中划线词意为“主张,断言”。A项maintained意为主张,强调;例句:He maintains that there are no short cuts to effective management.他断言,有效的管理没有捷径可走。B项意为推荐;C项意为考虑;D项意为承认;故选A项。