Zhang Yimou’s 360 million yuan film “Curse of the Golden Flower” proved a hit on its opening weekend, ______ nine million yuan in Shanghai’s cinemas alone. A. having made B. making C. to have been made D. being made 答案:B现代建筑的门窗框架常用电解加工成的古铜色硬铝制造,取硬铝样品进行如下所示的实验(各步试剂均过量)
由此可推知,硬铝的组成可能为( )
A. Al、Fe、Cu、C
B. Al、Mg、Si、Zn
C. Al、Cu、Mg、Si、Mn
D. Al、Si、Zn、Na、Mg