(2014·石家莊質檢)I admire Stephen Hawking greatly，whose________about black holes has a great effect on astronomy.
A．theoryB．practice
C．way　D．method
A
考查名詞詞義辨析。句意為：我非常崇拜史蒂芬·霍金，他的黑洞理論對天文學產(chǎn)生了很大影響。theory理論；practice練習；way方法；method方法。結合句意，選A。
答案：　A
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