第3题: [单项选择]Because Edgar was convinced of the accuracy of this fact, he ______ his opinion. A. struck at B. strove for C. stuck to D. stood for 参考答案:C 答案解析:[解析] C项stick to意为“坚持(观点,意见)”,符合句意。其余三项的意思分别为:A.敲打,猛击;B.为……努力,奋斗,努力争取;D.代表,意味,支持,主张。
第4题: [单项选择]Cushing综合征中最常见的类型为()。 A. 肾上腺皮质腺瘤 B. 肾上腺皮质癌 C. Gushing病 D. 异位ACTH综合征 E. Meador综合征 参考答案:C