判断题

三人并行时,应站成横排。

答案：正确

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生态系统与工业系统之间对应关系对的？

A、“工业生态系统”—— “同类型企业”
B、“生物群落”—— “工业体系与外部环境构成”
C、“种群”——“某区域范围的工业体系”
D、“个体”——“企业”

单项选择题

Dale"s methods of fitting horseshoes save time and money for his employer at the local ranch. However, when Dale suggests that everyone use his method, his boss, Cedric, says, "No. That"s not the way