题目

这些德国人在到襄阳前就已经习惯吃牛肉面了。（ be） _________________ before they came to Xiangyang. 答案：These Germans had been used to eating beef noodles/These Germans had already been used to eating beef noodles/These Germans had been used to having beef noodles/These Germans had already been used to having beef noodles 【详解】 these“这些 ” ，修饰复数名词； German“ 德国人 ” ，复数形式是 Germans ； be used to doing sth“ 习惯做某事 ” ，根据句意及 “c欲增大熟石灰的溶解度，可采取的方法A.充分震荡B.升高温度C.降低温度D.增加溶剂