第3题: [单项选择]关于妊娠期母体的变化,以下叙述正确的是() A. 血浆白蛋白增加 B. 每分钟肺通气量减少 C. 肾小球滤过率减少 D. 心脏移位、搏出量减少 E. 凝血因子增加,纤溶活性降低 参考答案:E 答案解析:妊娠期由于血液稀释,血浆白蛋白减少;妊娠期母体耗氧量增加,虽然横膈肌升高,但胸廓横径增加,胸廓活动相应增加,每分钟肺通气量增加约40%。妊娠期母体血流量增加,耗氧量增加,心搏量增加20%~30%。肾脏
第4题: [单项选择]The activities of each day, ____ visiting the famous places of interest or anticipating the traditional party of local people, went quite smoothly. A. it being B. be it C. was it D. it was 参考答案:B 答案解析:“be it ...”中运用的虚拟语气,意为“不管……”