The word \”diffuses\” in Para. 3 is closest in meaning to ______.
A) yields
B) starts
C) surfaces
D) travels
正确答案：D
答案；D
[试题分析]词义判断题
[详细解答]根据上下文前文讲到肺中的空气压力增加氮气会diffusesfromthelungstotheblood显然diffuse应理解为扩散到只有D意思接近应为正确答案
TheworddiffusesinPara3isclosestinmeaningto____
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