Edison who invented light had knowledge of science.A. a; \B. a; aC. the; \D. the; a

发布时间：2020-08-21 12:43:41

Edison who invented light had      knowledge of science.
A. a; \
B. a; a
C. the; \
D. the; a

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A. a; \
B. a; a
C. the; \
(答案→)D. the; a
解析：考查冠词。第一空应在invented的后面，发明物的前面必须加the，第二空为固定短语：have a knowledge of 精通，句意：发明电灯的爱迪生精通科学。所以选D。
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