答案及解析：[判断题]This kind of plane cannot be built unless we find a metal even lighter than this high-strength alumi - 语言文学类题库- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

问题：

[判断题]This kind of plane cannot be built unless we find a metal even lighter than this high-strength aluminum alloy.
我们不可能造出这种飞机来，除非我们找到一种比这种高强度的铝合金更轻的金属。