17.Scientific(science) research is widely claimed to be the source of high standard of living in US.

分析 人們普遍認(rèn)為,科學(xué)研究是美國(guó)生活水平較高的一個(gè)原因.

解答 答案是scientific.
考查形容詞.名詞research前面用形容詞scientific修飾,表示"科學(xué)的".句意是:人們普遍認(rèn)為,科學(xué)研究是美國(guó)生活水平較高的一個(gè)原因.故答案是Scientific.

點(diǎn)評(píng) 本題考查單詞填空.首先要根據(jù)語(yǔ)境明確句意,然后再根據(jù)相關(guān)語(yǔ)法決定正確答案.

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