听前提示一、三遍英文，一遍中文，再一遍英文。二、从听懂的词入手，理解句子含义。三、根据中英文意思，听不懂的多听几遍。词汇提示1.alternative 另选的2.packed to capacity 挤得满满的3.convert 转换4.file 文件原文171.If you wish us to reserve an alternative room, please let us know im...Show More
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