“十二木卡姆”是哪个民族的珍贵艺术瑰宝？
参考答案：“十二木卡姆”是维吾尔族的珍贵艺术瑰宝。
After graduating from college, I took some time off to go travelling, ________turned out to be a wise decision.
A．that
B．when
C．where
D．which
照明灯不亮时，（）开机。
A.可以
B.视情况可以
C.禁止
D.使用矿灯
