雅思词汇:efficiency
发布:环球雅思 点击数: 发布时间:2013-11-12 16:20:40
摘要: 雅思动态雅思词汇:efficiency北京环球雅思|环球雅思|雅思词汇:efficiency
efficiency
n.效率,效能;实力,能力;[物]性能;功效
复数:efficiencies
同义词:technique facility
例题
the erosion of the continents thus results from two closely linked and interdependent processes, chemical erosion and mechanical erosion. their respective interactions and efficiency depend on different factors.
the word "efficiency" is closest in meaning to which of following?
(a) relationship
(b) growth
(c) influence
(d) effectiveness
答案:d
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