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Annie Jump Cannon ______ discovered so many s

2022-08-05 19:30:50 问答库阅读 171 次

问题详情

Annie Jump Cannon, ______ discovered so many stars that she was called "the census taker of the sky".
A．a leading astronomer,
B．who, as a leading astronomer,
C．was a leading astronomer,
D．a leading astronomer who

参考答案

正确答案：A
解析：a leading astronomer是Annie Jump Cannon的同位语。