第27题: [单项选择]( ), people can’t afford to buy expensive things. A. With the prices of daily goods going up B. With the prices of daily goods gone up C. The prices of daily goods go up D. With the prices of daily goods go up 参考答案:A 答案解析:
第28题: [单项选择]有关螺内酯利尿作用的叙述,错误的是 A. 利尿作用强 B. 起效慢而持久 C. 拮抗醛固酮受体 D. 排Na+保K+ E. 对醛固酮增多性水肿疗效好 参考答案:A 答案解析:[解析] 螺内酯是醛固酮的竞争性拮抗药。可竞争性地与细胞质中的醛固酮受体结合而拮抗醛固酮的保钠排钾作用,促进Na+和水的排出,减少K+排出。另外,该药也能干
第31题: [单项选择]As ______announced in today' s papers, the Shanghai Export Commodities Fair is also open on Sundays. A. being B. is C. to be D. been 参考答案:B 答案解析:as可用作关系代词,引导定语从句,起承接前面主句的内容或引出后续主句的内容的作用,as在从句中作主语或宾语,指代整个主句。有时,助动词be可以省略