The methods of communication used during the war were primitive.A reliable B...

作者: tihaiku 人气: - 评论: 0
问题 The methods of communication used during the war were primitive.
选项 A reliable B effective C simple D alternative
答案 C
解析 primitive的意思是“原始的”,在这里可以转义为“简单的”,故用C选项替换。

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