第10题: [单项选择]最易发生成骨性骨转移的肿瘤是() A. 甲状腺癌 B. 肺类癌 C. 鼻咽癌 D. 乳腺癌 E. 前列腺癌 参考答案:E
第11题: [单项选择]Tom's steps had ______ and there was a moment of absolute silence. A. died down B. died from C. died away D. died out 参考答案:C 答案解析:句意:汤姆的脚步声渐渐消失了,出现了短暂的完全沉寂。die away渐渐减弱 (直到听不见)。Die down(风暴、疼痛、火焰)等逐渐减弱。Die from死于。die out灭绝,绝迹。