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A program to mature the technologies needed to achieve an economically______ reu
A program to mature the technologies needed to achieve an economically______ reu
游客
2025-01-30
29
管理
问题
A program to mature the technologies needed to achieve an economically______ reusable launch vehicle is underway in the U. S.
选项
A、selective
B、sound
C、super
D、scientific
答案
A
解析
形容词辨析A.sound健全的,可靠的,合理的;B.selective精选的;C.super上等的,特级的,极好的;D.scientific科学的;本句要表达的是:美国正在进行一项计划,这是为了使制造一种经济上更合理且可重复使用的运载火箭所需要的技术更成熟的计划。因此A为答案。
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