第11题: [单项选择]Everyone knows that this ______ gentleman is a world-famous scientist. A. respectable B. respectful C. respecting D. respective 参考答案:A 答案解析:respectable的意思是“值得尊敬的”,符合本题的题意。另外三个选项分别是:respectful意为“尊重他人的,有礼貌的”;respecting是介词,意为“关于”;respective意为“