Queen Victoria rewarded him for his by giving him money and a house. He died in 1867.A. d

问题补充：

Queen Victoria rewarded him for his by giving him money and a house. He died in 1867.

A. discoveries

B. introductions

C. books

D. definitions

答案：

(答案→)A. discoveries

B. introductions

C. books

D. definitions

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