2. 外语
  3. Babbage was a prolific inventor, whose inventions include the ophthalmoscope for examining the retina of the eye, the skeleton k

Babbage was a prolific inventor, whose inventions include the ophthalmoscope for examining the retina of the eye, the skeleton k

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问题 Babbage was a prolific inventor, whose inventions include the ophthalmoscope for examining the retina of the eye, the skeleton key, the locomotive "cow catcher", and the speedometer.
选项 A、productive
B、obstinate
C、eminent
D、shrewd
答案A
解析 四个选项的意思分别是：productive多产的，富有成效的；obstinate顽固的；eminent杰出的；shrewd精明的。句意是，Babbage是一名多产的发明家，发明的东西包括用于检查视网膜的检眼镜、万能钥匙、可移动排障器和速度计。所以正确答案是A选项，如：We had a productive meeting that solved some problems．(我们开了一次富有成效的会议，解决了一些问题。)
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