A. regard the president as the CEO B. take absolute control of his department C. exercise more power than the congressional committee D. become acquainted with its power structure 参考答案:D 答案解析:正确答案的根据出在第四段。根据“The secretary might think he's in charge of his agency.”,可知[B]太绝对。根据“the chairman of
第31题: [单项选择]洋地黄中毒的表现应除外() A. 呕吐 B. 心电图ST-T改变 C. 黄视或绿视 D. 室性期前收缩 E. 多饮 参考答案:E 答案解析:胃肠道反应:一般较轻,常见食欲缺乏、恶心、呕吐、腹泻、腹痛。心律失常:洋地黄中毒的特征性心律失常有:多源性室性期前收缩呈二联律,特别是发生在心房颤动基础上;心房颤动伴完全性房室传导阻滞与房室结性心律;