1 . Scientists in the 15-16th century studied the universe by o__________ (观察) the stars, which is so amazing because some of them can calculate so accurately. (根据中英文提示单词拼写)
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2023-09-07更新
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2卷引用:甘肃省天水市秦州区天水市第一中学2023-2024学年高二上学期开学英语试题