薄型丝绸面料在缝制过程中，上下层面料易产生（）错层位移。
参考答案：前后
Even on a cold day he prefers ______ out to play football ______at home．
A．going;rather stay
B．going;to staying
C．to go;rather than staying
D．to do;rather than to stay
年产能力
