题目内容

According to comparative advantage, people should specialize in what they do best and then trade their products for the things they need.

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

A win-win situation means that both the country and its consumers can benefit from international trade.

A. 对
B. 错

属于水闸闸门加固及止水技术的是

A. 闸底板和胸墙的裂缝与修理
B. 金属结构补强及闸门止水修复技术
C. 植筋技术
D. 钢筋混凝上的顺筋裂缝与修理

1-3 表示总体特征的数称为____

教师幸福