Question

11．Luckily，we'd brought a road map．Without the road map we would have lost our way．（将两个句子改为含有定语从句的复合句）
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Answer 1

分析 幸运的是，我们带了一张地图．没有这张地图的帮助，我们就会迷路．

解答 答案：Luckily，we'd brought a road map without which we would have lost our way．
分析前面的两个简单句可知，可以用介词without+关系代词which来引导定语从句，without …可以说是if虚拟的一种的简略形式，同时without部分整个构成定语从句，修饰map．故答案为Luckily，we'd brought a road map without which we would have lost our way．

点评 对于句型转换的题目要分析原句的句型结构，并找出同义句型或者相同意思的表达方式，或者使用非谓语动词的形式，或者从句的形式以及一些特殊句式等，要根据句式结构特点进行灵活选择．