He asserted that nuclear power was a safe and non-polluting energy source.()A...

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问题 He asserted that nuclear power was a safe and non-polluting energy source.()
选项 A.maintained B.recommended C.considered D.acknowledged
答案 A
解析 本题是对动词的考查。题干:他断言核能量是一种安全无污染的能源。题干划线词assert意为“断言,主张”。四个选项:maintain意为“维修,维持,断言”,recommend 意为“推荐,建议”,consider意为“考虑,认为”,acknowledge意为“承认,公认”,故本题正确答案为A。
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