Annie Jump Cannon,______discovered so many stars that she was called "the census taker of the sky".

admin2015-05-12  66

问题 Annie Jump Cannon,______discovered so many stars that she was called "the census taker of the sky".

选项 A、a leading astronomer,
B、who, as a leading astronomer,
C、was a leading astronomer,
D、a leading astronomer who

答案A

解析 结构识别。a leading astronomer是Annie Jump Cannon的同位语。
转载请注明原文地址:https://jikaoti.com/ti/HT1YFFFM
0

最新回复(0)