单选题
He {{U}}asserted{{/U}} that nuclear power was a safe and non-polluting energy source.
A. maintained
B. recommended
C. considered
D. acknowledged
A
B
C
D
【正确答案】
A
【答案解析】
[解析] 句意为:他宣称核能是一种安全、无污染的能源。asserted“宣称,主张,维持”四个选项:maintained“维持,主张”;recommended“推荐,介绍”;considered“考虑,被尊重的”;acknowledge“承认,致谢”。
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