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【题目】 exciting news report! Black holes, first predicted by Einstein's theory of general relativity(广义相对论),were finally taken a photo by scientists.

A.WhatB.HowC.What an

【答案】C

【解析】

句意:多么令人兴奋的新闻报道啊!黑洞,第一个被爱因斯坦的广义相对论预测,终于被科学家拍到了一张照片。

考查感叹句。分析句子可知,此处修饰可数名词单数news report,构成“What a/an+ adj+可数名词单数(+主语+谓语)!”句型,又因为exciting首字母发元音,所以不定冠词使用an。故选C

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