The author argues that money for aeronautical research money could be invested more efficiently if______. What aspect of airpla

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问题 The author argues that money for aeronautical research money could be invested more efficiently if______.
What aspect of airplane flight was inspired by bee observations?

选项 A、Landing manner.
B、Low speed take-off
C、Poor-weather guidance system.
D、Evasive guidance systems.

答案C

解析从第三段第二、三句知在天气不利(adverse)的情况下，飞机起降导航系统的设计是受以蜜蜂天黑时也能判断太阳方位的某种机制的启发。

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职称英语理工类A级

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The author argues that money for aeronautical research money could be invested more efficiently if______. What aspect of airpla

职称英语理工类A级

职称英语

Thenumberofprematurelystoppedclinicaltrialshasincreasedrecently.Thetrialswerestoppedearlybecausethetreatments

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LivingAloneCouldBeGoodforYourWeightGoodnewsforpeoplelivingalone:Aforthcomingpapershowsthatsingleadults—o

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