2. 外语
  3. The author argues that money for aeronautical research money could be invested more efficiently if______. Research related to m

The author argues that money for aeronautical research money could be invested more efficiently if______. Research related to m

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问题 The author argues that money for aeronautical research money could be invested more efficiently if______.
Research related to missile guidance systems implies that ______.
选项 A、houseflies are multi-eyed
B、houseflies are more intelligent than is generally realized
C、houseflies have sophisticated movement detectors
D、houseflies can locate the sun whether in the day or at night
答案C
解析 从第三段最后一句可知答案。
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