第12题: [单项选择]There is a ________ difference in meaning between the words surroundings and environment. A. gentle B. subtle C. feeble D. humble 参考答案:B 答案解析:[解析] A.gentle文雅的,温柔的;B.subtle微妙的,细微的;C.feeble微弱的,虚弱的;D.humble谦虚的,卑微的。根据句意应选B。句意为:surroundings和enviro