【題目】Obesity is ________ major concern for public health officials and also may affect ________ test scores of students.

A. a; /B. a; aC. the; / D. the; the

【答案】A

【解析】

試題分析：考查冠詞。句意：肥胖是公共衛(wèi)生官員的一個主要關注，也可能影響學生的測試分數(shù)。第一空表示泛指，用不定冠詞；第二空后是名詞復數(shù)形式，不用冠詞，故選A。

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