第18题: [单项选择]______, he is not a very bright pupil. A. As far as his intelligence is concerned B. As far his intelligence is concerned C. So his intelligence is concerned D. As far as his intelligence are concerned 参考答案:A 答案解析:[考点] 词语搭配。 [解析] as far as...be concerned为固定词组,意思为“就……而言”。又因为intelligence一词为不可数名词,故选A。
第23题: [多项选择]关于肺泡表面活性物质的叙述,哪些是正确的 A. 由肺泡Ⅱ型细胞分泌 B. 使肺的顺应性降低 C. 能降低肺泡表面张力 D. 维持肺泡大小不同的容积 参考答案:A,C,D 答案解析:[考点] 肺泡表面活性物质的分泌细胞和作用 [解析] 肺泡表面活性物质是由肺泡Ⅱ型细胞分泌的,化学本质为二软脂酰卵磷脂,因此它能降低肺泡表面张力,增加肺的顺应性,维持肺泡大小不同的容积。