A、A) It forms bubbles.
B、B) It goes directly to the brain.
C、C) It is reabsorbed by the lungs.
D、D) It has a narcotic effect.
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正确答案
试题解析
A[试题分析]细节题。[详细解答]第三段提到"If the return to the surface is too rapid,nitrogen in the tissues and blood cannot diffuse out rap idly enough and nitrogen bubbles are formed.”,显然,答案A复合文章意思,应为正确答案。