第23题: [单项选择]引起血钠减低的因素有() A. 输注高渗盐水 B. 肝硬化 C. 糖尿病性多尿 D. 肾上腺皮质功能亢进 E. 原发性醛固酮增多症 参考答案:B
第24题: [单项选择]Environmental groups _________ a campaign against the widespread production of genetically modified crops. A. underwent B. established C. regulated D. launched 参考答案:D 答案解析:[解析] 语义连贯题。四个选项中能和a campaign形成合理动宾搭配的为[D]launched“发动,发起”,常接活动、项目等作宾语。[A]underwent“经历,遭受”;[B]establis