题目内容
7．Both Pompeii and Loulan became lost civilizations about 2，000years ago．分析 庞贝和楼兰大约2000年前都失去了文明．
解答 答案：civilizations 考查首字母填空．根据句意及句子结构，要填入名词，civilization意为"文明"，因为是两个城市，用复数 civilizations．
点评 考查首字母填空，准确地理解句子、翻译句子，然后根据句意及提示写出单词，完成句子，使句意更通顺．
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