中国唯一的水族自治县是什么县？
参考答案：中国唯一的水族自治县是三都县。
From his _____ look on his face, the train must have left. [ ]
A. disappointed
B. disappointing
C. satisfied
D. satisfying
高技术局部战争的含义主要体现在哪三个方面？
