2. 外语
  3. The authority claims that the new pills can dramatically increase life expectancy, but there’s no ______ evidence to support thi

The authority claims that the new pills can dramatically increase life expectancy, but there’s no ______ evidence to support thi

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问题 The authority claims that the new pills can dramatically increase life expectancy, but there’s no ______ evidence to support this.
选项 A、empirical
B、actual
C、concrete
D、imperial
答案A
解析 形容词辨析题。empirical意为“依赖经验的，依赖实践经验而非理论所指导的”，尤指医学方面。actual“实际的，真实的，现行的”；concrete意为“具体的，有形的”；imperial意为“皇家的；庄严的”。
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