第10题: [单项选择]Which of the following is NOT a step in forming nitinol for space use A. The metal is shaped into ingots. B. The metal is separated into nickel and titanium. C. The metal is drawn into a wire. D. The metal is set in its desired curve or shape and heated briefly. 参考答案:B 答案解析:细节定位题。
文中第2段第1句提到:it is shaped into ingots 与 A项“被铸成钢锭”一致。该段第2句又提到:Then it is drawn out into a wi