第7题: [单项选择]无昼夜分泌节律性变化的是()。 A. 皮质醇 B. 醛固酮 C. 睾酮 D. 促肾上腺皮质激素 E. 降钙素 参考答案:E
第8题: [单项选择]—How kind of you to come round, but why —______that all is right. A. See B. To see C. Seeing D. For seeing 参考答案:B 答案解析:[解析] but why的完整意思是“…but why have you come round”,其完整答语应是“I've come round to see that all is right”。答