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【单选题】
提出树叶喜欢树荫的例子的谁?A.
米尔顿•弗里德曼
B.
阿门•阿尔钦
C.
保罗•萨缪尔森
D.
肯尼斯•阿罗
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【单选题】People once widely believed that intelligent life existed on Mars. The 19th-century discovery of what appeared to be geometric designs cut across the surface was taken as evidence. The lines were thou...
A.
Because the surface of Mars seemed to be geometric.
B.
Because the lines were drawn across the surface of the planet.
C.
Because a system of canals was thought to be there.
D.
Because it was the Martians that built the canals.
【简答题】(第五章)微晶纤维素常作稀释、黏合和__________三合剂使用。
【简答题】阅读理解。 A woman whose sports car was stolen with her dog in it put up notices all over the area that made it clear getting back her pet was more important than her car. 'Whoever did this can keep my car...
【简答题】阅读理解。 A woman whose sports car was stolen with her dog in it put up notices all over the area that made it clear getting back her pet was more important than her car. 'Whoever did this can keep my car...
【简答题】混凝土结构用钢筋应检验哪些力学性能指标?混凝土结构对钢筋性能有哪些基本要求?我国《规范》对混凝土结构钢筋的选用有哪些要求
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